CN220662274U - Auxiliary power supply system of magnetic levitation train and magnetic levitation train - Google Patents
Auxiliary power supply system of magnetic levitation train and magnetic levitation train Download PDFInfo
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- CN220662274U CN220662274U CN202322305585.5U CN202322305585U CN220662274U CN 220662274 U CN220662274 U CN 220662274U CN 202322305585 U CN202322305585 U CN 202322305585U CN 220662274 U CN220662274 U CN 220662274U
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- 238000005339 levitation Methods 0.000 title claims abstract description 47
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000004378 air conditioning Methods 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000009423 ventilation Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
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Abstract
The application provides an auxiliary power supply system and maglev train of maglev train, and the system includes: the high-voltage power supply box is used for being connected with a power supply rail and inputting the voltage output by the power supply rail to the levitation power supply; the suspension power supply converts the voltage output by the high-voltage power box into two paths of voltages for output connection with the power receiving equipment and charges the first storage battery pack and the second storage battery pack respectively; the first storage battery pack is connected with the power receiving equipment and provides power supply voltage of a first voltage level for the power receiving equipment; the second storage battery pack is connected with the power receiving equipment and provides a power supply voltage of a second voltage level for the power receiving equipment. According to the power supply device, two paths of voltage are output by the suspension power supply and are directly connected with the power receiving equipment, the auxiliary inverter and the charger are canceled, the voltage system of a train is reduced, the light weight of the vehicle is realized, and the electric design is simpler. The reduction of the electric equipment can lead the weight of the train to be reduced as a whole, the noise of the whole train can be further reduced, and the manufacturing and running cost of the train can be reduced.
Description
Technical Field
The application relates to the field of rail transit, in particular to an auxiliary power supply system of a magnetic levitation train and the magnetic levitation train.
Background
The conventional auxiliary power supply system for the medium-low speed maglev train consists of a high-voltage power box, an auxiliary inverter, a suspension power supply, a charger, a storage battery pack and the like, as shown in fig. 1. The voltage system includes 3AC380V, DC330V, DC V and other systems, which are converted from DC1500V high voltage on the supply rail. The high-voltage electric box is responsible for shunting the rated voltage DC1500V of the power supply rail, one path of the rated voltage DC1500V is changed into 3AC380V through the auxiliary inverter to supply power for a vehicle air conditioning system, a brake air compressor, a traction inverter fan and a charger, the charger converts the 3AC380V voltage into a DC110V power supply, a stable DC110V power supply is provided for a vehicle control system, illumination, PIS, braking and other systems, and a DC110V storage battery is charged; one path changes DC1500V into DC330V through a levitation power supply, provides stable direct current power supply for vehicle levitation systems, air conditioning system emergency ventilation units and vehicle emergency traction, and continuously charges a DC330V storage battery.
It can be seen that the voltage system of each electric device of the auxiliary power supply system of the current medium-low speed maglev train is not uniform, so that the electric circuit of the vehicle is complex. Each auxiliary inverter in the vehicle is about 425KG, the noise value is 72dB (less than 1 m), the charger is about 310KG, the noise value is 70dB (less than 1 m), and the vehicle has more and heavy equipment and cannot meet the light-weight requirement of the medium-low speed maglev train. Too many vehicle equipment also can lead to the loud problem of noise, can bring bad riding experience for the passenger in the train operation in-process.
Disclosure of Invention
In order to solve one of the technical defects, an auxiliary power supply system of a maglev train and the maglev train are provided in the embodiments of the application.
According to a first aspect of embodiments of the present application, there is provided an auxiliary power supply system for a maglev train, the system including:
the high-voltage power supply box is used for being connected with a power supply rail and inputting the voltage output by the power supply rail to the levitation power supply;
the suspension power supply converts the voltage output by the high-voltage power box into two paths of voltages for output connection with the power receiving equipment and charges the first storage battery pack and the second storage battery pack respectively;
the first storage battery pack is connected with the power receiving equipment and provides power supply voltage of a first voltage level for the power receiving equipment;
the second storage battery pack is connected with the power receiving equipment and provides a power supply voltage of a second voltage level for the power receiving equipment.
According to a second aspect of the embodiments of the present application, there is provided a maglev train, including the auxiliary power supply system of the first aspect of the embodiments of the present application, the auxiliary power supply system being configured to connect a power supply rail and convert a voltage of the power supply rail into a voltage required by a powered device of the maglev train.
By adopting the auxiliary power supply system provided by the embodiment of the application, two paths of voltages are output by the suspension power supply and are directly connected with the power receiving equipment, and the auxiliary inverter and the charger are canceled, so that the voltage system of a train is reduced, the weight of the vehicle is realized, and the electric design is simpler. The reduction of the electric equipment can reduce the weight of the train as a whole, the noise of the whole train can be further reduced, and the manufacturing and running cost of the train can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
fig. 1 is a schematic diagram of an auxiliary power supply system of a conventional medium-low speed maglev train;
fig. 2 is a schematic diagram of an auxiliary power supply system according to embodiment 1 of the present application;
fig. 3 is a schematic diagram of an auxiliary power supply system according to embodiment 2 of the present application;
fig. 4 is a schematic diagram of an auxiliary power supply system according to embodiment 3 of the present application.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following detailed description of exemplary embodiments of the present application is given with reference to the accompanying drawings, and it is apparent that the described embodiments are only some of the embodiments of the present application and not exhaustive of all the embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
Example 1
As shown in fig. 2, this embodiment proposes an auxiliary power supply system of a maglev train, the system including:
the high-voltage electric box is used for connecting a power supply rail and inputting DC1500V voltage output by the power supply rail to the levitation power supply;
the levitation power supply converts DC1500V voltage output by the high-voltage power box into DC330V and DC110V voltages which are used for being output and connected with the power receiving equipment and respectively charges the first storage battery pack and the second storage battery pack;
the first storage battery pack is connected with the power receiving equipment and provides DC330V power supply voltage for the power receiving equipment;
and the second storage battery pack is connected with the power receiving equipment and provides DC110V power supply voltage for the power receiving equipment.
Specifically, in this embodiment, the auxiliary power supply system is composed of a high-voltage power box, a suspension power supply and a battery pack, where the battery pack is further divided into a first battery pack and a second battery pack with different voltage levels.
The voltage system of the auxiliary power supply system of this embodiment is DC330V and DC110V. The high-voltage electric box can be connected with a power supply rail through a current collector, and DC1500V voltage output from the power supply rail can be directly input to the levitation power supply. The floating power supply converts the DC1500V voltage and outputs the converted DC1500V voltage in two paths. One of the output voltages is DC330V, and the other output voltage is DC110V.
The DC330V voltage output can provide stable DC330V voltage for powered devices with the voltage class of DC330V, such as a levitation system of a train, an emergency traction system of a vehicle, an emergency ventilation unit of an air conditioning system and the like.
The DC110V voltage output may provide a stable DC110V voltage for powered devices of the voltage class DC110V, such as a train's vehicle control system, lighting system, PIS system, braking system, and the like.
The levitation power supply may charge the first battery pack of DC330V and the second battery pack of DC110V, respectively, in addition to directly providing the DC330V voltage and the DC110V voltage to the powered device. The first storage battery pack is connected with power receiving equipment with the voltage class of DC330V, and can provide DC330V voltage for the power receiving equipment when an auxiliary power supply system fails and a levitation power supply can not directly supply power to the power receiving equipment. The second storage battery pack is connected with the power receiving equipment with the voltage class of DC110V, and can provide DC110V voltage for the power receiving equipment when the auxiliary power supply system fails and the levitation power supply can not directly supply power to the power receiving equipment. In addition, the first storage battery pack can provide the DC330V supply voltage and the DC110V supply voltage at the same time, so that full utilization of the storage battery pack and stability of power supply are realized.
Further, in the embodiment, the voltage level of the air conditioning unit of the train is changed from 3AC380V to DC1500V. Therefore, the air conditioning unit can be connected with the high-voltage electric box, the DC1500V power supply voltage of the power supply rail is directly input to the air conditioning unit by the high-voltage electric box, and voltage conversion is realized in the air conditioning unit, so that the system structure is simplified.
Furthermore, in the embodiment, the voltage system of the air compressor and the traction inverter fan is changed from 3AC380V to DC110V power supply, and the air compressor can supply air for the air spring and the current collector boot removing device, so that the voltage system of the train can be further simplified.
In the embodiment, the levitation power supply can realize the output of two paths of different direct-current voltage systems, the 3AC380V power supply is canceled, the auxiliary power supply system can cancel the auxiliary inverter and the charger, the voltage system of a train is reduced, the light weight of the vehicle is realized, and the electric design is simpler. The reduction of the electric equipment can reduce the weight of the train by at least 500KG as a whole, the noise of the whole train can be further reduced by more than 5dB, and the manufacturing and running cost of the train can be reduced.
Example 2
As shown in fig. 3, this embodiment proposes an auxiliary power supply system of a maglev train, the system including:
the high-voltage electric box is used for connecting a power supply rail and inputting DC750V voltage output by the power supply rail to the levitation power supply;
the levitation power supply converts the DC750V voltage output by the high-voltage power box into two paths of voltages of DC750V and DC110V for outputting and connecting the powered equipment, and charges the first storage battery pack and the second storage battery pack respectively;
the first storage battery pack is connected with the power receiving equipment and provides DC750V power supply voltage for the power receiving equipment;
and the second storage battery pack is connected with the power receiving equipment and provides DC110V power supply voltage for the power receiving equipment.
Specifically, in this embodiment, the auxiliary power supply system is composed of a high-voltage power box, a suspension power supply and a battery pack, where the battery pack is further divided into a first battery pack and a second battery pack with different voltage levels.
The voltage system of the auxiliary power supply system of this embodiment is DC750V and DC110V. The high voltage power box directly inputs the DC750V voltage output from the power supply rail to the levitation power supply. The floating power supply converts the DC750V voltage and outputs the converted DC750V voltage in two paths. One of the output voltages is DC750V, and the other output voltage is DC110V.
When the output voltage of the power supply rail is DC750V, the voltage level of powered equipment such as a levitation system, a vehicle emergency traction system, an air conditioning system emergency ventilation unit and the like with the original DC330V voltage level can be increased to DC750V. Thus, the DC750V voltage output of the levitation power supply can provide stable DC750V voltage for powered devices with the voltage level of DC750V, such as a levitation system, a vehicle emergency traction system, an air conditioning system emergency ventilation unit and the like of a train.
The DC110V voltage output may provide a stable DC110V voltage for powered devices of the voltage class DC110V, such as a train's vehicle control system, lighting system, PIS system, braking system, and the like.
The levitation power supply may charge the first battery pack of DC750V and the second battery pack of DC110V, respectively, in addition to directly providing the DC750V voltage and the DC110V voltage to the powered device as described above. The first storage battery pack is connected with power receiving equipment with the voltage class of DC750V, and can provide DC750V voltage for the power receiving equipment when an auxiliary power supply system fails and a levitation power supply can not directly supply power to the power receiving equipment. The floating power supply can provide a voltage stabilizing function for the first storage battery pack. The second storage battery pack is connected with the power receiving equipment with the voltage class of DC110V, and can provide DC110V voltage for the power receiving equipment when the auxiliary power supply system fails and the levitation power supply can not directly supply power to the power receiving equipment. In addition, the first storage battery pack can provide the DC750V power supply voltage and the DC110V power supply voltage at the same time, so that full utilization of the storage battery pack and stability of power supply are realized.
Further, in the embodiment, the voltage level of the air conditioning unit of the train is changed from 3AC380V to DC750V. Therefore, the air conditioning unit can be connected with the high-voltage electric box, the DC750V power supply voltage of the power supply rail is directly input to the air conditioning unit by the high-voltage electric box, and voltage conversion is realized in the air conditioning unit, so that the system structure is simplified.
Furthermore, in the embodiment, the voltage system of the air compressor and the traction inverter fan is changed from 3AC380V to DC110V power supply, and the air compressor can supply air for the air spring and the current collector boot removing device, so that the voltage system of the train can be further simplified.
In the embodiment, the levitation power supply can realize the output of two paths of different direct-current voltage systems, the 3AC380V power supply is canceled, the auxiliary power supply system can cancel the auxiliary inverter and the charger, the voltage system of a train is reduced, the light weight of the vehicle is realized, and the electric design is simpler. The reduction of the electric equipment can reduce the weight of the train by at least 500KG as a whole, the noise of the whole train can be further reduced by more than 5dB, and the manufacturing and running cost of the train can be reduced.
Example 3
As shown in fig. 4, this embodiment proposes an auxiliary power supply system of a maglev train, the system including:
the high-voltage electric box is used for connecting a power supply rail and inputting DC600V voltage output by the power supply rail to the levitation power supply;
the levitation power supply converts the DC600V voltage output by the high-voltage power box into two paths of voltages of DC600V and DC110V for outputting and connecting the power receiving equipment, and charges the first storage battery pack and the second storage battery pack respectively;
the first storage battery pack is connected with the power receiving equipment and provides DC600V power supply voltage for the power receiving equipment;
and the second storage battery pack is connected with the power receiving equipment and provides DC110V power supply voltage for the power receiving equipment.
Specifically, in this embodiment, the auxiliary power supply system is composed of a high-voltage power box, a suspension power supply and a battery pack, where the battery pack is further divided into a first battery pack and a second battery pack with different voltage levels.
The voltage system of the auxiliary power supply system of this embodiment is DC600V and DC110V. The high voltage power box directly inputs the DC600V voltage output from the power supply rail to the levitation power supply. The floating power supply converts the DC600V voltage and outputs the converted DC600V voltage in two paths. One of the output voltages is DC600V, and the other output voltage is DC110V.
When the output voltage of the power supply rail is DC600V, the voltage level of powered equipment such as a levitation system, a vehicle emergency traction system, an air conditioning system emergency ventilation unit and the like with the original DC330V voltage level can be increased to DC600V. Thus, the DC600V voltage output of the levitation power supply can provide stable DC600V voltage for powered devices with the voltage level of DC600V, such as a levitation system, a vehicle emergency traction system, an air conditioning system emergency ventilation unit and the like of a train.
The DC110V voltage output may provide a stable DC110V voltage for powered devices of the voltage class DC110V, such as a train's vehicle control system, lighting system, PIS system, braking system, and the like.
The levitation power supply may charge the first battery pack of DC600V and the second battery pack of DC110V, respectively, in addition to directly providing the DC600V voltage and the DC110V voltage to the power receiving apparatus. The first storage battery pack is connected with power receiving equipment with the voltage class of DC600V, and can provide DC600V voltage for the power receiving equipment when an auxiliary power supply system fails and a levitation power supply can not directly supply power to the power receiving equipment. The floating power supply can provide a voltage stabilizing function for the first storage battery pack. The second storage battery pack is connected with the power receiving equipment with the voltage class of DC110V, and can provide DC110V voltage for the power receiving equipment when the auxiliary power supply system fails and the levitation power supply can not directly supply power to the power receiving equipment. In addition, the first storage battery pack can provide the DC600V power supply voltage and the DC110V power supply voltage at the same time, so that full utilization of the storage battery pack and stability of power supply are realized.
Further, in the embodiment, the voltage level of the air conditioning unit of the train is changed from 3AC380V to DC600V. Therefore, the air conditioning unit can be connected with the high-voltage electric box, the DC600V power supply voltage of the power supply rail is directly input to the air conditioning unit by the high-voltage electric box, and voltage conversion is realized in the air conditioning unit, so that the system structure is simplified.
Furthermore, in the embodiment, the voltage system of the air compressor and the traction inverter fan is changed from 3AC380V to DC110V power supply, and the air compressor can supply air for the air spring and the current collector boot removing device, so that the voltage system of the train can be further simplified.
In the embodiment, the levitation power supply can realize the output of two paths of different direct-current voltage systems, the 3AC380V power supply is canceled, the auxiliary power supply system can cancel the auxiliary inverter and the charger, the voltage system of a train is reduced, the light weight of the vehicle is realized, and the electric design is simpler. The reduction of the electric equipment can reduce the weight of the train by at least 500KG as a whole, the noise of the whole train can be further reduced by more than 5dB, and the manufacturing and running cost of the train can be reduced.
Example 4
The embodiment provides a magnetic levitation train, which comprises an auxiliary power supply system arranged between a power supply rail and power receiving equipment. The auxiliary power supply system may convert the voltage of the power supply rail to a voltage required by the powered device. In this embodiment, the power receiving device includes a levitation system of a magnetic levitation train, a vehicle emergency traction system, an air conditioning system emergency ventilation unit, a vehicle control system, a lighting system, a PIS system, a braking system, and the like, and the specific description of the auxiliary power supply system and the connection manner of the auxiliary power supply system and the power receiving device may be described with reference to embodiments 1 to 3, which are not described in detail.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may communicate with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. An auxiliary power supply system for a maglev train, the system comprising:
the high-voltage power supply box is used for being connected with a power supply rail and inputting the voltage output by the power supply rail to the levitation power supply;
the suspension power supply converts the voltage output by the high-voltage power box into two paths of voltages for output connection with the power receiving equipment and charges the first storage battery pack and the second storage battery pack respectively;
the first storage battery pack is connected with the power receiving equipment and provides power supply voltage of a first voltage level for the power receiving equipment;
the second storage battery pack is connected with the power receiving equipment and provides a power supply voltage of a second voltage level for the power receiving equipment.
2. The system of claim 1, wherein the high voltage electrical box is further configured to connect to an air conditioning unit for inputting the power rail voltage to the air conditioning unit.
3. The system of claim 1, wherein the supply voltage of the first voltage level is higher than the supply voltage of the second voltage level.
4. The system of claim 1, wherein the power rail output voltage is DC1500V, the two voltage outputs of the levitation power supply are DC330V voltage output and DC110V voltage output, respectively, the first battery pack is a DC330V battery pack, and the second battery pack is a DC110V battery pack.
5. The system of claim 1, wherein the power rail output voltage is DC750V, the two voltage outputs of the levitation power supply are DC750V voltage output and DC110V voltage output, respectively, the first battery pack is a DC750V battery pack, and the second battery pack is a DC110V battery pack.
6. The system of claim 1, wherein the power rail output voltage is DC600V, the two voltage outputs of the levitation power supply are DC600V voltage output and DC110V voltage output, respectively, the first battery pack is a DC600V battery pack, and the second battery pack is a DC110V battery pack.
7. The system of any one of claims 4 to 6, wherein the DC110V voltage of the levitation power supply is further used for output connection to an air compressor.
8. The system of any of claims 4 to 6, wherein the DC110V voltage of the levitation power supply is further used to output a traction inverter fan.
9. The system of claim 1, wherein the first battery pack is further configured to provide a supply voltage of a second voltage level to the powered device.
10. A maglev train comprising an auxiliary power supply system according to any one of claims 1 to 9 for connecting a power supply rail and converting the voltage of the power supply rail to a voltage required by a powered device of the maglev train.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322305585.5U CN220662274U (en) | 2023-08-25 | 2023-08-25 | Auxiliary power supply system of magnetic levitation train and magnetic levitation train |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322305585.5U CN220662274U (en) | 2023-08-25 | 2023-08-25 | Auxiliary power supply system of magnetic levitation train and magnetic levitation train |
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| CN220662274U true CN220662274U (en) | 2024-03-26 |
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| CN202322305585.5U Active CN220662274U (en) | 2023-08-25 | 2023-08-25 | Auxiliary power supply system of magnetic levitation train and magnetic levitation train |
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