CN204928592U - A supplementary unsteady flow cabinet for diesel locomotive - Google Patents
A supplementary unsteady flow cabinet for diesel locomotive Download PDFInfo
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- CN204928592U CN204928592U CN201520655022.1U CN201520655022U CN204928592U CN 204928592 U CN204928592 U CN 204928592U CN 201520655022 U CN201520655022 U CN 201520655022U CN 204928592 U CN204928592 U CN 204928592U
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Abstract
The utility model discloses a supplementary unsteady flow cabinet for diesel locomotive, including the three -phase rectifier module, copped wave boost module and the three -phase contravariant module that connect gradually, the three phase current that three -phase rectifier module inserted diesel locomotive's interchange auxiliary generator output carries out the rectification, and mains voltage after the rectification exports the DC voltage of required size after copped wave boost module carries out copped wave and steps up, three -phase contravariant module is three -phase alternating current with the DC voltage contravariant of copped wave boost module output to offer the load of three -phase alternating current machine. The utility model has the advantages of can satisfy the power demand of high -power three -phase alternating current machine load, and simple structure, preparation and maintenance cost are low.
Description
Technical field
The utility model relates to technical field of diesel locomotive, particularly relates to a kind of auxiliary converter cabinet for diesel locomotive.
Background technology
Motor is the important composition parts of Diesel Locomotive Braking System, is the indispensable part of locomotive safety running.Existing diesel locomotive is generally powered to the direct current machine (as direct current air compressor motor, vaccum pump motor) on locomotive by the DC auxiliary generator in locomotive, there is following problem in such supply power mode: the complex structure of (1) DC motor and generator itself, and maintenance cost is high, thus adopt DC auxiliary generator when powering power supply process complicated and required maintenance cost is high; (2) the direct current auxiliary generator capacity of diesel locomotive is generally smaller, and when direct current machine power is larger, the capacity of direct current auxiliary generator then cannot meet the demands; And when locomotive be in low-grade location, boost voltage also very low time, also cannot provide the high voltage needed for motor, the application thus adopting stream auxiliary generator to power has very large limitation, cannot meet power demands when low-voltage operating mode, heavy-duty motor.
Utility model content
The technical problems to be solved in the utility model is just: the technical problem existed for prior art, the utility model provides a kind of power demands that can meet high-power three-phase alternating-current motor load, and structure is simple, make and the auxiliary converter cabinet for diesel locomotive that maintenance cost is low.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of auxiliary converter cabinet for diesel locomotive, comprise the three phase rectifier module, copped wave boost module and the three-phase inversion module that connect successively, the three phase mains that the interchange auxiliary generator that described three phase rectifier module accesses diesel locomotive exports also carries out rectification, supply voltage after rectification, after described copped wave boost module carries out copped wave boosting, exports the direct voltage of required size; The direct voltage inversion that described copped wave boost module exports by described three-phase inversion module is three-phase alternating current, and is supplied to three phase alternating current motor load, and three phase alternating current motor load is ac air compressor motor, vaccum pump motor etc.
As further improvement of the utility model: described copped wave boost module is staggered copped wave booster circuit.
As further improvement of the utility model: two copped wave branch roads that described staggered copped wave booster circuit comprises main inductance L1 and is connected with described main inductance L1 respectively, copped wave branch road described in every bar comprises the change of current inductance and IGBT module that are connected in series.
As further improvement of the utility model: described three phase rectifier module is not for control rectified three-phase circuit or phased rectified three-phase circuit.
As further improvement of the utility model: described three phase rectifier module is specially three phase full bridge uncontrollable rectifier circuit.
As further improvement of the utility model: described three-phase inversion module is IGBT full-bridge circuit.
Compared with prior art, the utility model has the advantage of:
1) the utility model is directly from the interchange auxiliary generator power taking of diesel locomotive, through three phase rectifier module, copped wave boost module and three-phase inversion module carry out three phase rectifier successively, copped wave boosting and three-phase inversion, voltage after rectification can be increased to required size through copped wave boosting, the alternating current needed for three phase alternating current motor load is exported again by inversion, thus the power demands of various high-power three-phase alternating-current motor load can be met, even and if locomotive is in low-grade location, during the very low situation of auxiliary voltage generator, also the high voltage of size needed for three phase alternating current motor load can be exported,
2) the utility model directly carries out unsteady flow from the interchange auxiliary generator power taking of diesel locomotive, effectively can reduce the capacity of direct current auxiliary generator, even can cancel direct current auxiliary generator, thus effectively reduces cost of manufacture and the maintenance cost of locomotive;
3) the utility model provides three-phase alternating current through three phase rectifier module, copped wave boost module and three-phase inversion module, then motor all adopts alternating current machine, can effectively reduce the maintenance cost of motor compared with direct current machine.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram of the utility model embodiment for the auxiliary converter cabinet of diesel locomotive.
Fig. 2 is the electrical block diagram of the utility model specific embodiment for the auxiliary converter cabinet of diesel locomotive.
Marginal data: 1, three phase rectifier module; 11, three phase full bridge uncontrollable rectifier circuit; 2, copped wave boost module; 21, staggered copped wave booster circuit; 3, three-phase inversion module; 31, IGBT full-bridge circuit; 4, auxiliary generator is exchanged.
Embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the utility model is further described, but does not therefore limit protection range of the present utility model.
As shown in Figure 1, the utility model is used for the auxiliary converter cabinet of diesel locomotive, comprise the three phase rectifier module 1, copped wave boost module 2 and the three-phase inversion module 3 that connect successively, the three phase mains that the interchange auxiliary generator 4 that three phase rectifier module 1 accesses diesel locomotive exports also carries out rectification, supply voltage after rectification, after copped wave boost module 2 carries out copped wave boosting, exports the direct voltage of required size; The direct voltage inversion that copped wave boost module 2 exports by three-phase inversion module 3 is three-phase alternating current, and is supplied to three phase alternating current motor load, and three phase alternating current motor load can be ac air compressor motor, vaccum pump motor etc.
The utility model is directly from interchange auxiliary generator 4 power taking of diesel locomotive, through three phase rectifier module 1, copped wave boost module 2 and three-phase inversion module 3 carry out three phase rectifier successively, copped wave boosting and three-phase inversion, voltage after rectification can be increased to required size through copped wave boosting, the alternating voltage needed for three phase alternating current motor load is exported again by inversion, thus the power demands of various high-power three-phase alternating-current motor load can be met, even and if locomotive is in low-grade location, during the very low situation of auxiliary voltage generator, also can the high voltage of size needed for defeated three phase alternating current motor load.
The utility model on the one hand, directly carries out unsteady flow from interchange auxiliary generator 4 power taking of diesel locomotive, effectively can reduce the capacity of direct current auxiliary generator, even can cancel direct current auxiliary generator, thus effectively reduces cost of manufacture and the maintenance cost of locomotive; The utility model on the other hand, three-phase alternating current is provided through three phase rectifier module 1, copped wave boost module 2 and three-phase inversion module 3, then motor all adopts alternating current machine, the maintenance cost of motor can be effectively reduced compared with direct current machine, therefore required cost of manufacture and maintenance cost low.
The utility model three phase rectifier module 1 further can for not control rectified three-phase circuit or phased rectified three-phase circuit, the three phase mains that interchange auxiliary generator 4 exports is not controlled three phase rectifier or phased three phase rectifier, and output dc voltage is to copped wave boost module 2.
As shown in Figure 2, in the utility model specific embodiment three phase rectifier module 1 be three phase full bridge uncontrollable rectifier circuit 11, copped wave boost module 2 for staggered copped wave booster circuit 21 and three-phase inversion module 3 be IGBT full-bridge circuit 31.Two copped wave branch roads that staggered copped wave booster circuit 21 comprises main inductance L1 and is connected with main inductance L1 respectively, every bar copped wave branch road comprises the change of current inductance (L2/L3) and IGBT module (VT1/VT2) that are connected in series, perform copped wave boosting by two copped wave branch roads are staggered, direct current three phase rectifier module 1 exported boosting is required direct current; The three-phase voltage PWM ripple that DC power conversion from copped wave boost module 2 becomes three phase alternating current motor load to need by three-phase inversion module 3 is powered.Copped wave boost module 2 adopts staggered copped wave booster circuit 21, the switching frequency of product can be significantly improved on the one hand, thus reduce copped wave main inductance sensibility reciprocal, input and output capacitance, and reduce volume and the weight of inductance and electric capacity, thus the weight of product and volume are reduced; Product loss can be reduced on the other hand, improve product efficiency.
Above-mentioned just preferred embodiment of the present utility model, not does any pro forma restriction to the utility model.Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (6)
1. the auxiliary converter cabinet for diesel locomotive, it is characterized in that: comprise the three phase rectifier module (1), copped wave boost module (2) and the three-phase inversion module (3) that connect successively, the three phase mains that the interchange auxiliary generator (4) that described three phase rectifier module (1) accesses diesel locomotive exports also carries out rectification, supply voltage after rectification, after described copped wave boost module (2) carries out copped wave boosting, exports the direct voltage of required size; The direct voltage inversion that described copped wave boost module (2) exports by described three-phase inversion module (3) is three-phase alternating current, is supplied to three phase alternating current motor load.
2. the auxiliary converter cabinet for diesel locomotive according to claim 1, is characterized in that: described copped wave boost module (2) is staggered copped wave booster circuit (21).
3. the auxiliary converter cabinet for diesel locomotive according to claim 2, it is characterized in that: two copped wave branch roads that described staggered copped wave booster circuit (21) comprises main inductance L1 and is connected with described main inductance L1 respectively, copped wave branch road described in every bar comprises the change of current inductance and IGBT module that are connected in series.
4. the auxiliary converter cabinet for diesel locomotive according to claim 1 or 2 or 3, is characterized in that: described three phase rectifier module (1) is not for control rectified three-phase circuit or phased rectified three-phase circuit.
5. the auxiliary converter cabinet for diesel locomotive according to claim 4, is characterized in that: described three phase rectifier module (1) is specially three phase full bridge uncontrollable rectifier circuit (11).
6. the auxiliary converter cabinet for diesel locomotive according to claim 1 or 2 or 3, is characterized in that: described three-phase inversion module (3) is IGBT full-bridge circuit (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520655022.1U CN204928592U (en) | 2015-08-27 | 2015-08-27 | A supplementary unsteady flow cabinet for diesel locomotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520655022.1U CN204928592U (en) | 2015-08-27 | 2015-08-27 | A supplementary unsteady flow cabinet for diesel locomotive |
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| CN204928592U true CN204928592U (en) | 2015-12-30 |
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| CN201520655022.1U Active CN204928592U (en) | 2015-08-27 | 2015-08-27 | A supplementary unsteady flow cabinet for diesel locomotive |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888083A (en) * | 2017-12-20 | 2018-04-06 | 西安中车永电电气有限公司 | A kind of diesel locomotive alternating-current actuating system main circuit power cell |
-
2015
- 2015-08-27 CN CN201520655022.1U patent/CN204928592U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888083A (en) * | 2017-12-20 | 2018-04-06 | 西安中车永电电气有限公司 | A kind of diesel locomotive alternating-current actuating system main circuit power cell |
| CN107888083B (en) * | 2017-12-20 | 2024-03-26 | 西安中车永电电气有限公司 | Main circuit power unit of alternating current transmission system of diesel locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A supplementary unsteady flow cabinet for diesel locomotive Effective date of registration: 20170111 Granted publication date: 20151230 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: CHANGSHA GUANGYI CONVERTING TECHNIQUE Co.,Ltd. Registration number: 2017430000004 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210421 Granted publication date: 20151230 Pledgee: Changsha Bank city branch of Limited by Share Ltd. Pledgor: CHANGSHA GUANGYI CONVERTING TECHNIQUE Co.,Ltd. Registration number: 2017430000004 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An auxiliary converter cabinet for diesel locomotives Granted publication date: 20151230 Pledgee: Hunan Xingsha Rural Commercial Bank Co.,Ltd. quantang sub branch Pledgor: CHANGSHA GUANGYI CONVERTING TECHNIQUE Co.,Ltd. Registration number: Y2024980021255 |