CN219790148U - Locomotive traction battery device - Google Patents
Locomotive traction battery device Download PDFInfo
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- CN219790148U CN219790148U CN202321369652.3U CN202321369652U CN219790148U CN 219790148 U CN219790148 U CN 219790148U CN 202321369652 U CN202321369652 U CN 202321369652U CN 219790148 U CN219790148 U CN 219790148U
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- direct current
- current converter
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- maintenance
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 15
- 238000012423 maintenance Methods 0.000 claims abstract description 36
- 101150018041 msd1 gene Proteins 0.000 claims description 11
- 101150085946 MSD2 gene Proteins 0.000 claims description 8
- 101100112811 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) CDC5 gene Proteins 0.000 claims description 8
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
The utility model discloses a locomotive traction storage battery device, and relates to the technical field of locomotive main circuit control; the device comprises a high-voltage equipment box, a combined power supply, a maintenance switch and a total output end; a control switch is arranged in the high-voltage equipment box; the combined power supply is connected with the high-voltage equipment box through a maintenance switch; the maintenance switch is connected with the total output end through a control switch; according to the utility model, the safety interlocking and safety indication of the traction storage battery are realized by depending on the self-contained contactor of the traction storage battery and the external discharge indicating device aiming at the characteristics of the main circuit of the double-source locomotive under the background of the prior art.
Description
Technical Field
The utility model discloses a locomotive traction storage battery device, and relates to the technical field of locomotive main circuit control.
Background
Along with the improvement of the environmental protection requirements of the present country, the traction storage battery can play a larger role in the track traffic industry due to the advantages of zero emission and no pollution. Since the high voltage of the traction battery itself can cause life hazards to drivers, passengers and maintenance personnel, the safe use of the traction battery is an important issue for locomotive design. Because the storage capacity of the traction storage battery can generate electric shock when the high-voltage equipment is overhauled even under the parking condition, the traction storage battery disconnecting switch is used in the prior art to be connected to a locomotive high-voltage safety interlocking system in series, and the high-voltage disconnecting switch is arranged at a disconnecting position when overhauled, so that a key of the next stage can be unlocked and a cabinet door of the high-voltage screen cabinet can be opened. If a plurality of storage batteries are connected in parallel, the voltage is too high, and at the moment, one isolating switch cannot meet the requirement, however, the plurality of isolating switches occupy more space in a vehicle.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a locomotive traction storage battery device, which adopts the following technical scheme: a locomotive traction battery device comprises a battery, at least one maintenance switch and a high-voltage equipment box;
the high-voltage equipment comprises a first direct current converter, a second direct current converter and at least one control switch, wherein a first pole of the storage battery is connected with a first end of the first direct current converter through a maintenance switch, and a second pole of the storage battery is connected with a second end of the second direct current converter; the first end of the first direct current converter is connected with the first end of the second direct current converter through the control switch, and the second end of the first direct current converter is connected with the second end of the second direct current converter;
the first end of the second direct current converter is used for being connected with the first total output end, and the second end of the second direct current converter is used for being connected with the second total output end.
In some implementations, the power supply further comprises a first indicator light L1 and a second indicator light L2, wherein the first indicator light L1 is connected with the first dc converter;
the second indicator light L2 is connected with the second direct current converter.
In some implementations, the first indicator light L1 is connected in parallel with the first dc-to-dc converter.
In some implementations, the second indicator light L2 is connected in parallel with the second dc converter.
In some implementations, the first indicator light L1 is in series with the first dc-to-dc converter.
In some implementations, the second indicator light L2 is in series with the second dc converter.
In some implementations, the control switches include a first control switch KM1 and a second control switch KM2;
the first end of the first direct current converter is connected with the first end of the second direct current converter through the first control switch KM1, and the second end of the first direct current converter is connected with the second end of the second direct current converter through the second control switch KM 2.
In some implementations, the maintenance switch includes a first maintenance switch MSD1 and a second maintenance switch MSD2, a first pole of the battery is connected to the first end of the first dc converter through the first maintenance switch MSD1, and a second pole of the battery is connected to the second end of the first dc converter through the second maintenance switch MSD 2.
In some implementations, the control switch is a contactor switch.
In some implementations, the first and second maintenance switches MSD1 and MSD2 are manual maintenance switches, respectively.
The beneficial effects of the utility model are as follows: according to the utility model, the safety interlocking and safety indication of the traction storage battery are realized by depending on the self-contained contactor of the traction storage battery and the external discharge indicating device aiming at the characteristics of the main circuit of the double-source locomotive under the background of the prior art.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a flow chart of the apparatus of the present utility model; fig. 2 is a schematic diagram of the operation of the device of the present utility model.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Examples are as follows:
the locomotive traction battery device comprises a battery, at least one maintenance switch and a high-voltage equipment box;
the high-voltage equipment comprises a first direct current converter, a second direct current converter and at least one control switch, wherein a first pole of the storage battery is connected with a first end of the first direct current converter through a maintenance switch, and a second pole of the storage battery is connected with a second end of the second direct current converter;
the first end of the first direct current converter is connected with the first end of the second direct current converter through the control switch, and the second end of the first direct current converter is connected with the second end of the second direct current converter;
the first end of the second direct current converter is used for being connected with the first total output end, and the second end of the second direct current converter is used for being connected with the second total output end.
In some implementations, the power supply further comprises a first indicator light L1 and a second indicator light L2, wherein the first indicator light L1 is connected with the first dc converter;
the second indicator light L2 is connected with the second direct current converter.
In some implementations, the first indicator light L1 is connected in parallel with the first dc-to-dc converter.
In some implementations, the second indicator light L2 is connected in parallel with the second dc converter.
In some implementations, the first indicator light L1 is in series with the first dc-to-dc converter.
In some implementations, the second indicator light L2 is in series with the second dc converter.
In some implementations, the control switches include a first control switch KM1 and a second control switch KM2;
the first end of the first direct current converter is connected with the first end of the second direct current converter through the first control switch KM1, and the second end of the first direct current converter is connected with the second end of the second direct current converter through the second control switch KM 2.
In some implementations, the maintenance switch includes a first maintenance switch MSD1 and a second maintenance switch MSD2, a first pole of the battery is connected to the first end of the first dc converter through the first maintenance switch MSD1, and a second pole of the battery is connected to the second end of the first dc converter through the second maintenance switch MSD 2.
In some implementations, the control switch is a contactor switch.
In some implementations, the first and second maintenance switches MSD1 and MSD2 are manual maintenance switches, respectively.
This novel device is through increasing maintenance switch MSD1 and MSD2 at battery output front end, parallelly connected DC/DC1 and pilot lamp L1 and DC/DC2 and pilot lamp L2 between positive line and negative line, inserts contactor KM1 and KM2 respectively on the positive and negative line between two DC/DC, increases the disconnection condition in the control condition of KM1 and KM 2: the ac ground switch is grounded.
Normally, when the traction battery discharges outwards, the maintenance switches MSD1 and MSD2 and the contactors KM1 and KM2 are closed, and the indicator lamps L1 and L2 are on. When the high-voltage electrical appliance cabinet is required to be overhauled, under the parking state, the pantograph isolating switch is required to be firstly driven to the isolating position, and the blue key is taken out. The blue key is inserted into a blue key hole of the grounding switch, the grounding switch is grounded, a locomotive control system detects a grounding signal of the grounding switch, KM1 and KM2 in the strong drawing 1 are disconnected, a DC/DC2 circuit is powered off, an L2 lamp is extinguished, a storage battery is disconnected outwards, and high-voltage equipment of a branch part of the storage battery is powered off. At the moment, the yellow key of the high-voltage grounding switch is inserted into the interlocking key box, the green key is taken out, each high-voltage screen cabinet is opened, and at the moment, no electricity exists in each high-voltage screen cabinet, so that the safety of maintenance personnel can be ensured. When the high-voltage equipment box of the storage battery needs to be overhauled, the manual maintenance switch needs to be pulled out, at the moment, the DC/DC1 is powered off, the L2 indicator lamp is extinguished, and no electricity exists in the high-voltage equipment box of the storage battery.
The scope of the present disclosure is not limited to the above-described embodiments, and it is apparent that various modifications and variations can be made to the present disclosure by those skilled in the art without departing from the scope and spirit of the disclosure. Such modifications and variations are intended to be included herein within the scope of the following claims and their equivalents.
Claims (10)
1. A locomotive traction battery device, characterized by a battery, at least one maintenance switch and a high voltage equipment box;
the high-voltage equipment comprises a first direct current converter, a second direct current converter and at least one control switch, wherein a first pole of the storage battery is connected with a first end of the first direct current converter through a maintenance switch, and a second pole of the storage battery is connected with a second end of the second direct current converter;
the first end of the first direct current converter is connected with the first end of the second direct current converter through the control switch, and the second end of the first direct current converter is connected with the second end of the second direct current converter;
the first end of the second direct current converter is used for being connected with the first total output end, and the second end of the second direct current converter is used for being connected with the second total output end.
2. The device of claim 1, further comprising a first indicator light L1 and a second indicator light L2, the first indicator light L1 being connected to the first dc converter; the second indicator light L2 is connected with the second direct current converter.
3. The apparatus of claim 2, wherein the first indicator light L1 is connected in parallel with the first dc converter.
4. The apparatus of claim 2, wherein the second indicator light L2 is connected in parallel with the second dc converter.
5. The apparatus of claim 2, wherein the first indicator light L1 is in series with the first dc converter.
6. The apparatus of claim 2, wherein the second indicator light L2 is connected in series with the second dc converter.
7. The apparatus of claim 1, wherein the control switch comprises a first control switch KM1 and a second control switch KM2;
the first end of the first direct current converter is connected with the first end of the second direct current converter through the first control switch KM1, and the second end of the first direct current converter is connected with the second end of the second direct current converter through the second control switch KM 2.
8. The apparatus of claim 1, wherein the maintenance switch comprises a first maintenance switch MSD1 and a second maintenance switch MSD2, a first pole of the battery is connected to a first terminal of the first dc converter through the first maintenance switch MSD1, and a second pole of the battery is connected to a second terminal of the first dc converter through the second maintenance switch MSD 2.
9. The apparatus of claim 1, wherein the control switch is a contactor switch.
10. The apparatus of claim 8, wherein the first maintenance switch MSD1 and the second maintenance switch MSD2 are manual maintenance switches, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369652.3U CN219790148U (en) | 2023-05-31 | 2023-05-31 | Locomotive traction battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321369652.3U CN219790148U (en) | 2023-05-31 | 2023-05-31 | Locomotive traction battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219790148U true CN219790148U (en) | 2023-10-03 |
Family
ID=88176502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321369652.3U Active CN219790148U (en) | 2023-05-31 | 2023-05-31 | Locomotive traction battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219790148U (en) |
-
2023
- 2023-05-31 CN CN202321369652.3U patent/CN219790148U/en active Active
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