CN216331450U - Current collecting system of suspension type monorail train - Google Patents
Current collecting system of suspension type monorail train Download PDFInfo
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- CN216331450U CN216331450U CN202122971249.5U CN202122971249U CN216331450U CN 216331450 U CN216331450 U CN 216331450U CN 202122971249 U CN202122971249 U CN 202122971249U CN 216331450 U CN216331450 U CN 216331450U
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Abstract
The utility model discloses a current collection system of a suspended monorail train, and particularly relates to the technical field of train power collection and supply, wherein a high-voltage box connected into the train is used for supplying power to a train traction system and a train auxiliary system. Through the technical scheme of the utility model, the power collection system is provided, which is convenient for a vehicle to pass through a turnout area without power supply interruption and ensures normal power supply for a vehicle load through a protection circuit.
Description
Technical Field
The utility model relates to the technical field of power supply of trains, in particular to a power collection system of a suspended monorail train.
Background
A suspended monorail train is also called as an empty rail or an aerial train, and is different from the track of a traditional rail train, only one track of the monorail train is provided, a bogie of the monorail train is positioned above a train body, the suspended monorail train is a novel traffic train with light weight, medium speed, medium traffic volume and low cost, 380V alternating-current voltage is usually obtained by external power supply for supplying power to the suspended monorail train in the prior art, the voltage is converted into used voltage and then supplied to the train traction and vehicle loads connected with an auxiliary system, a bogie framework in the train is formed by welding hollow steel sections with rectangular cross sections and used for dynamic loads, the hollow steel sections serve as beams of all other mechanical parts and electrical equipment to play a supporting role, the condition that normal power supply cannot be carried out on the vehicle loads frequently occurs in the prior art, and the vehicle cannot normally run.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a current collection system of a suspended monorail train, which solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a current collection system of a suspended monorail train supplies power for a train traction system and a train auxiliary system by connecting a high-voltage box, and comprises two power supply systems;
the power supply system comprises a power supply circuit and a protection circuit, wherein the input end of the power supply circuit forms the input end of the power supply system and is used for acquiring alternating current and outputting the current to the input end of the protection circuit through the output end of the power supply circuit;
the protection circuit is used for protecting vehicle loads connected with a train traction system and a train auxiliary system, the input end of the protection circuit is connected with the output end of the power supply circuit, the output end of the protection circuit is connected with the high-voltage box, and the output end of the protection circuit forms the output end of the power supply system;
the output ends of the two power supply systems are respectively connected in a one-to-one correspondence manner to form the output end of the current collection system, and the output end of the current collection system is connected with the high-voltage box to supply power for the train traction system and the train auxiliary system.
Further, the aforementioned power supply circuit includes a power supply rail L1, a power supply rail L2, a power supply rail L3, a power supply rail PEN, a current collector Tr1, a current collector Tr2, a current collector Tr3, and a current collector Tr4, the power supply rail L1 is connected to the current collector Tr1, the power supply rail L2 is connected to the current collector Tr2, the power supply rail L3 is connected to the current collector Tr3, the power supply rail PEN is connected to the current collector Tr4, and the other end of the power supply rail PEN is grounded;
the power supply rails are used as input ends of the power collecting system and used for providing alternating current, and one end of each power supply rail, which is connected with each current collector, forms an output end of the power supply circuit.
Further, each of the aforementioned protection circuits respectively includes a fuse K1, a fuse K2, a fuse K3, and a breaker Q1, one end of the fuse K1 is connected to one end of the current collector Tr1, one end of the fuse K2 is connected to one end of the current collector Tr2, one end of the fuse K3 is connected to one end of the current collector Tr3, one end of each fuse connected to each current collector constitutes an input end of the protection circuit, the breaker Q1 is connected to two ends of the fuse K1, the fuse K2, and the fuse K3 through auxiliary contacts, the other end of each fuse constitutes an output end of the protection circuit, and the output ends of the protection circuits respectively included in each power supply system are respectively connected to one another in a one-to-one correspondence.
Further, the fuses K1 in the protection circuits corresponding to the two power supply systems are connected in parallel.
Further, the power supply rail L1, the power supply rail L2, and the power supply rail L3 are connected to the power supply rail PEN three-phase four-wire, and provide an inter-phase voltage of AC380V for the power collection system.
Compared with the prior art, the current collection system of the suspension type monorail train has the following technical effects by adopting the technical scheme:
compared with the prior art, the current collecting system of the suspended monorail train provided by the utility model has the advantages that the current collectors are arranged on two sides of the bogie, the current collectors are respectively used for obtaining current from corresponding groups, the current collectors are connected in parallel with the high-voltage box of the train through the protection circuit and then enter the high-voltage box of the train to supply power to the traction and auxiliary systems, the power supply rail groups arranged on two sides of the track beam are convenient for the train to pass through a turnout area without power supply interruption, the load of the train is protected through the protection circuit, the state of a fuse in a safety box can be detected, and the condition that the normal power supply cannot be carried out on the load of the train, so that the vehicle cannot normally run, is prevented.
Drawings
Fig. 1 is a schematic circuit structure diagram of a current collecting system of a suspended monorail train provided by an embodiment of the utility model;
fig. 2 is a schematic structural diagram of a current collection system of a suspended monorail train provided by an exemplary embodiment of the present invention;
fig. 3 is a schematic mechanism diagram of a single power supply system in the power collection system according to an exemplary embodiment of the present invention.
Detailed Description
In order to better understand the technical content of the present invention, specific embodiments are described below with reference to the accompanying drawings.
Aspects of the utility model are described herein with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the utility model are not limited to those shown in the drawings. It is to be understood that the utility model is capable of implementation in any of the numerous concepts and embodiments described hereinabove or described in the following detailed description, since the disclosed concepts and embodiments are not limited to any embodiment. In addition, some aspects of the present disclosure may be used alone, or in any suitable combination with other aspects of the present disclosure.
Referring to fig. 1, a current collection system of a suspended monorail train is characterized in that power supply rail sets with the same structure are respectively and uniformly distributed on two sides of a turnout area, only one power supply rail is distributed in a non-turnout area, a train traction system and a train auxiliary system are supplied with power through a high-voltage box connected into the train, and the current collection system comprises two power supply systems;
the power supply systems are identical in structure, each power supply system comprises a power taking circuit and a protection circuit, the power taking circuits are used for being in contact with power supply rail sets distributed along the track beam to obtain alternating current, the power supply rail sets with the same structure are uniformly distributed on two sides of the track beam in reference to fig. 2, the input end of each power taking circuit forms the input end of the power supply system, and the output end of each power taking circuit outputs current to the input end of the protection circuit;
the input end of the protection circuit is connected with the output end of the power taking circuit, the output end of the protection circuit forms the output end of the power supply system, and the protection circuit in each power supply system is used for protecting vehicle loads connected with the train traction system and the train auxiliary system;
the output ends of the two power supply systems are respectively connected with each other in a one-to-one correspondence manner to form the output end of the current collection system, and the output end of the current collection system is connected with the high-voltage box to supply power for the train traction system and the train auxiliary system.
The utility model adopts the alternating current of 3AC 400V/50Hz (L1, L2, L3, PEN) to supply power, the 4-pole current collector is used, the design of the current collector fully considers the electrical insulation gap between the conductive strips of each pole, the rated current of the current collector is 400A, the input end of each power taking circuit contained in each power supply system respectively comprises each power taking end which is in one-to-one corresponding contact with the power supply rail L1, the power supply rail L2, the power supply rail L3 and the power supply rail PEN in the power supply rail group, one end of the power supply rail PEN is grounded, the power supply rail L1, the power supply rail L2 and the power supply rail L3 are connected with the three-phase four-wire power supply rail PEN to provide the interphase voltage of AC380V for the power collection system;
each power-taking circuit further comprises each wiring terminal, each wiring terminal is respectively contacted with each current collector on the bogie arranged along the track beam, the number of the wiring terminals of the power-taking circuits is equal to that of the power-taking terminals, and the wiring terminals and the power-taking terminals are respectively connected in a one-to-one correspondence mode to form each output end of the power-taking circuits.
Each protection circuit comprises a fuse K1, a fuse K2, a fuse K3 and a breaker Q1, one end of the fuse K1, one end of the fuse K2 and one end of the fuse K3 form input ends of the protection circuit respectively, the input ends of the protection circuit are correspondingly connected with output ends of the power taking circuit respectively, the other end of the fuse K1, the other end of the fuse K2 and the other end of the fuse K3 form output ends of the protection circuit, the fuse K1, the fuse K2 and the fuse K3 are connected in parallel, the fuse plays a role in protecting electrical equipment of vehicle loads, when short-circuit fault occurs at the rear end of the fuse, the fuse can be blown out quickly, the breaker Q1 is connected with two ends of the fuse K1, the fuse K2 and the fuse K3 through auxiliary contacts respectively, and when the fuse works normally, little current flows through the breaker, when the fuse fuses, the current can flow through the circuit breaker, the circuit breaker can jump, and vehicle control unit can obtain the signal that the fuse fuses at the auxiliary contact of circuit breaker, plays the effect of fuse control, and each output of each protection circuit that contains respectively in each power supply system simultaneously is connected each other one-to-one respectively, and parallel connection between each output of each protection circuit, each current collector on the bogie all can be for the train power supply.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the present invention should be determined by the appended claims.
Claims (5)
1. A current collection system of a suspended monorail train supplies power for a train traction system and a train auxiliary system by a high-voltage box connected into the train, and is characterized by comprising two power supply systems;
the power supply system comprises two power supply systems and a protection circuit, wherein the two power supply systems have the same structure, each power supply system comprises a power taking circuit and the protection circuit, the power taking circuits are used for contacting with power supply rail groups distributed along a track beam to obtain alternating current, the input ends of the power taking circuits form the input ends of the power supply systems, and the output ends of the power taking circuits output current to the input ends of the protection circuits;
the input end of the protection circuit is connected with the output end of the power taking circuit, the output end of the protection circuit forms the output end of the power supply system, and the protection circuit in each power supply system is used for protecting vehicle loads connected with the train traction system and the train auxiliary system;
the output ends of the two power supply systems are respectively connected with each other in a one-to-one correspondence manner to form the output end of the current collection system, and the output end of the current collection system is connected with the high-voltage box to supply power for the train traction system and the train auxiliary system.
2. The power collecting system of a suspended monorail train as claimed in claim 1, wherein the input terminals of each power-taking circuit included in each power supply system respectively comprise power-taking terminals in one-to-one contact with a power supply rail L1, a power supply rail L2, a power supply rail L3 and a power supply rail PEN in a power supply rail group, and one terminal of the power supply rail PEN is grounded;
each power-taking circuit further comprises each wiring terminal, each wiring terminal is respectively contacted with each current collector on the bogie arranged along the track beam, the number of the wiring terminals of the power-taking circuits is equal to that of the power-taking terminals, and the wiring terminals and the power-taking terminals are respectively connected in a one-to-one correspondence mode to form each output end of the power-taking circuits.
3. The current collecting system of a suspended monorail train as claimed in claim 2, wherein each protection circuit comprises a fuse K1, a fuse K2, a fuse K3 and a breaker Q1, one end of the fuse K1, one end of the fuse K2 and one end of the fuse K3 respectively form each input end of the protection circuit, each input end of the protection circuit is connected with each output end of the power-taking circuit in a one-to-one correspondence manner, the other end of the fuse K1, the other end of the fuse K2 and the other end of the fuse K3 respectively form each output end of the protection circuit, the breaker Q1 is connected with both ends of the fuse K1, the fuse K2 and the fuse K3 respectively through main contacts, and each output end of each protection circuit included in each power supply system is connected with each other in a one-to-one correspondence manner.
4. The power collecting system of a suspended monorail train as claimed in claim 3, wherein the fuses K1 of the protection circuits corresponding to the two power supply systems are connected in parallel.
5. The current collection system for a suspended monorail train of claim 2, wherein the supply rails L1, L2, L3 are connected in three-phase four-wire with the supply rail PEN to provide line and phase voltages of AC380V to the current collection system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971249.5U CN216331450U (en) | 2021-11-30 | 2021-11-30 | Current collecting system of suspension type monorail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971249.5U CN216331450U (en) | 2021-11-30 | 2021-11-30 | Current collecting system of suspension type monorail train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216331450U true CN216331450U (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122971249.5U Active CN216331450U (en) | 2021-11-30 | 2021-11-30 | Current collecting system of suspension type monorail train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216331450U (en) |
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2021
- 2021-11-30 CN CN202122971249.5U patent/CN216331450U/en active Active
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