CN203381625U - Train power converter - Google Patents
Train power converter Download PDFInfo
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- CN203381625U CN203381625U CN201320443957.4U CN201320443957U CN203381625U CN 203381625 U CN203381625 U CN 203381625U CN 201320443957 U CN201320443957 U CN 201320443957U CN 203381625 U CN203381625 U CN 203381625U
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- train
- phase inverter
- phase
- inverter
- box
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Abstract
The utility model relates to a train power converter which comprises a converter box body, wherein box body is divided into an inverter box and a charger box; three-phase inverters are arranged in the inverter box; a charger and a single-phase inverter are arranged in the charger box; the three-phase inverters convert direct current into alternating current and then supply power to three-phase electrical equipment on a train through a circuit breaker in the box body; the direct current charges a storage battery through the charger; the single-phase inverter converts the direct current into alternating current and then supplies power to single-phase electrical equipment on the train through the circuit breaker; a control unit arranged in the box body controls the work of the three-phase inverters, the charger, the single-phase inverter and the circuit breaker. The train power converter can meet power supply demands of different electrical equipment on the train and is simple in structure and high in automation degree; accidents caused by manmade operation mistakes are reduced, and the shortcomings of a conventional train power supply system are overcome.
Description
Technical field
The utility model relates to a kind of supply convertor, is specially a kind of train supply convertor.
Background technology
Along with the more and more faster development of electrified railway, the operating needs of train is become to more and more higher, add that the passenger is to the related needs such as electrical service on train simultaneously, make the consumer on train also more and more higher to relevant power requirement.At present, traditional electric power system can't meet relevant need for electricity on current train, add traditional electric power system complex structure, failure rate is high, maintenance is also inconvenient, when ging wrong, any part wherein just cause whole electric power system to work, for the safe operation of train brings very large hidden danger.
The utility model content
For the shortcoming of above-mentioned prior art, the utility model provide a kind of simple in structure, power the train supply convertor wide, safe and reliable.
The utility model solves the problems of the technologies described above by the following technical solutions: a kind of train supply convertor, comprise the changer casing, described casing is divided into inverter box and charging cabinet, and three-phase inverter is installed in inverter box, in the charging cabinet, battery charger and single-phase inverter is installed; After described three-phase inverter is converted into alternating current by direct current (DC), by the circuit breaker be arranged in described casing, be the three-phase electrical equipment power supply on train; Direct current (DC) is battery charge through described battery charger, after described single-phase inverter is converted into alternating current by direct current (DC), by described circuit breaker, is the single-phase electrical equipment power supply on train; The control unit be arranged in described casing is controlled described three-phase inverter, battery charger, single-phase inverter and circuit breaker work.
Further, a standby three-phase inverter also is installed in described inverter box, this standby three-phase inverter is in parallel with described three-phase inverter.
Further, isolating transformer also is installed in described inverter box, the alternating current of described three-phase inverter or the output of standby three-phase inverter is described three-phase electrical equipment power supply after this isolating transformer.
Further, the alternating current of described isolating transformer output is other single-phase load power supplies on train.
Further, described battery charger is the direct current electrical apparatus power supply on train.
The utility model compared with prior art has following advantage: adopt three-phase inverter, battery charger and single-phase inverter modular design, can meet the power demands of electrical equipments different on train; Circuit breaker can conveniently be controlled the circuit of modules, so that accident prevention is unexpected, occurs; Control unit is controlled the work of each module, and degree of automation is high, has reduced the accident caused because of the human operational error; It is the consumer power supply that needs electrical isolation that three-phase inverter is connected to isolating transformer, also can be the single-phase load power supply simultaneously; Two inverters are standby each other, and when an et out of order, another will be part important load power supply on car by exporting interconnected contactless switch, guarantee the normal operation of train; The power of suitable selection three-phase inverter, battery charger and single-phase inverter can make the whole system performance greatly improve, and reduces unnecessary waste; The utility model is simple in structure, and degree of automation is high, has overcome the deficiency of conventional train powersupply system.
The accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with specifically illustrating and embodiment, further set forth the utility model.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
With reference to figure 1, a kind of train supply convertor of the present utility model, comprise the changer casing, and described casing is divided into inverter box and charging cabinet, and three-phase inverter 3 is installed in inverter box, in the charging cabinet, battery charger 4 and single-phase inverter 5 is installed; Extraneous electric current 10 is from being arranged on the input port access of the circuit breaker 2 in described casing, this circuit breaker is distributed to described three-phase inverter 3, battery charger 4 and single-phase inverter 5 by circuit 01 respectively by extraneous electric current 10, and from circuit 02, the delivery port by circuit breaker sends out B electric current 8 and C electric current 9 respectively again by the electric current after processing for battery charger 4 and single-phase inverter 5; Three-phase inverter 3 is transported to isolating transformer 6 again by the electric current after processing, and after isolating transformer is processed, by the electric current after processing, from circuit 03, the delivery port by circuit breaker sends out A electric current 7 again; Described three-phase inverter 3, battery charger 4, single-phase inverter 5 and circuit breaker 2 send work state information to the control unit 1 be arranged in described casing, and control unit 1 can be controlled three-phase inverter 3, battery charger 4, single-phase inverter 5 and circuit breaker 2 work simultaneously.
In the utility model, described three-phase inverter is two, and employing power is 35KVA; The power of described single-phase inverter is 3.5KVA; The power of described battery charger is 8KW; The power of isolating transformer is 5KVA; The power of suitable selection three-phase inverter, battery charger and single-phase inverter can make the whole system performance greatly improve, and reduces unnecessary waste.The A electric current can be the consumer power supply that needs electrical isolation, also can be the single-phase load power supply simultaneously; The B electric current can be the emergency battery charging, also for direct-flow electricity utilization apparatus such as illumination on car, control housing, stopping sliding door, toilet waste collectors, provides power supply simultaneously; The C electric current can be emergency ventilation equipment, video system, convenience outlets etc. power supply is provided.When in three-phase inverter, battery charger, single-phase inverter and circuit breaker, certain part breaks down cisco unity malfunction, be the information that control unit is received this part cisco unity malfunction, control unit just control this part quit work and control circuit breaker by corresponding circuitry cuts to avoid accident to occur, indicate simultaneously concrete which partly break down, convenient for maintaining personnel keeped in repair; Two inverters are standby each other, and when an et out of order, another will be part important load power supply on car by exporting interconnected contactless switch, guarantee the normal operation of train; Control unit is controlled the work of each module, and degree of automation is high, has reduced the accident caused because of the human operational error.The utility model is simple in structure, and degree of automation is high, has overcome the deficiency of conventional train powersupply system.
Above demonstration and described groundwork of the present utility model and principal character and advantage of the present utility model, the technical personnel of the industry should be understood, the utility model is not restricted to the described embodiments, that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, these changes and improvements all fall in claimed the utility model scope, the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a train supply convertor, comprise the changer casing, it is characterized in that: described casing is divided into inverter box and charging cabinet, and three-phase inverter is installed in inverter box, in the charging cabinet, battery charger and single-phase inverter is installed; After described three-phase inverter is converted into alternating current by direct current (DC), by the circuit breaker be arranged in described casing, be the three-phase electrical equipment power supply on train; Direct current (DC) is battery charge through described battery charger, after described single-phase inverter is converted into alternating current by direct current (DC), by described circuit breaker, is the single-phase electrical equipment power supply on train; The control unit be arranged in described casing is controlled described three-phase inverter, battery charger, single-phase inverter and circuit breaker work.
2. a kind of train supply convertor according to claim 1, it is characterized in that: a standby three-phase inverter also is installed in described inverter box, and this standby three-phase inverter is in parallel with described three-phase inverter.
3. a kind of train supply convertor according to claim 2, it is characterized in that: isolating transformer also is installed in described inverter box, and the alternating current of described three-phase inverter or the output of standby three-phase inverter is described three-phase electrical equipment power supply after this isolating transformer.
4. a kind of train supply convertor according to claim 3 is characterized in that: the alternating current of described isolating transformer output is other single-phase loads power supplies on train.
5. a kind of train supply convertor according to claim 1 is characterized in that: described battery charger is the direct current electrical apparatus power supply on train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443957.4U CN203381625U (en) | 2013-07-24 | 2013-07-24 | Train power converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443957.4U CN203381625U (en) | 2013-07-24 | 2013-07-24 | Train power converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381625U true CN203381625U (en) | 2014-01-08 |
Family
ID=49870146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443957.4U Expired - Fee Related CN203381625U (en) | 2013-07-24 | 2013-07-24 | Train power converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203381625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459833A (en) * | 2015-11-08 | 2016-04-06 | 常州大学 | Electric leakage protection and isolation device for power supply of track passenger car |
| CN109130957A (en) * | 2018-08-30 | 2019-01-04 | 中车大连机车车辆有限公司 | Magnetic-levitation train power-supply system and magnetic-levitation train |
-
2013
- 2013-07-24 CN CN201320443957.4U patent/CN203381625U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105459833A (en) * | 2015-11-08 | 2016-04-06 | 常州大学 | Electric leakage protection and isolation device for power supply of track passenger car |
| CN109130957A (en) * | 2018-08-30 | 2019-01-04 | 中车大连机车车辆有限公司 | Magnetic-levitation train power-supply system and magnetic-levitation train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20160724 |