CN204928260U - A storage battery charging device for diesel locomotive - Google Patents
A storage battery charging device for diesel locomotive Download PDFInfo
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- CN204928260U CN204928260U CN201520654808.1U CN201520654808U CN204928260U CN 204928260 U CN204928260 U CN 204928260U CN 201520654808 U CN201520654808 U CN 201520654808U CN 204928260 U CN204928260 U CN 204928260U
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 35
- 238000002955 isolation Methods 0.000 claims abstract description 28
- 230000009466 transformation Effects 0.000 claims abstract description 19
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- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model discloses a storage battery charging device for diesel locomotive, including three -phase rectifier module, copped wave boost module and the voltage transformation and the isolation 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 the DC voltage after stepping up is exported through copped wave boost module to voltage after the rectification, voltage transformation and the DC voltage transform of keeping apart after the module will be stepped up are required size and carry out voltage and keep apart the back, offer the battery. The utility model discloses can provide accurate controllable storage battery charging power, and have simple structure, required with low costs, occupy smallly and advantage such as safe and reliable.
Description
Technical field
The utility model relates to technical field of diesel locomotive, particularly relates to a kind of battery charging plant for diesel locomotive.
Background technology
Control storage battery is the necessary equipment in diesel locomotive, is mainly used for opening Control System of Microcomputer, illuminator etc. on machine and car to diesel engine and provides power supply.Give the control charge in batteries of diesel locomotive mainly with under type at present: (1) is for the diesel locomotive having direct current auxiliary generator, DC power supply then normally by being sent by direct current auxiliary generator, directly gives and controls charge in batteries or after the process of DC/DC converter, give control storage battery to charge; (2) for the diesel locomotive not having direct current auxiliary generator, then normally by the AC power that AC auxiliary generator sends, after the process of phased AC/DC converter, give control storage battery charge.
The equal existing defects of charging scheme of above-mentioned two kinds of diesel locomotives, wherein the first (having the diesel locomotive of direct current auxiliary generator) charging scheme, a) diesel locomotive needs to increase special direct current auxiliary generator and corollary equipment thereof, and its cost is high, volume large and Heavy Weight; B) charged a battery by DC auxiliary generator, the precision of its charging current is low; C) direct current auxiliary generator exports does not have electrical isolation between storage battery input, and charging process exists potential safety hazard; For the second (not having the diesel locomotive of direct current auxiliary generator) charging scheme, a) need to adopt phased AC/DC converter, the LC filter volume in phased AC/DC converter be large, Heavy Weight; B) in the phased AC/DC converter adopted, thyristor can not turn off fast, can not protect fast when charging abnormal to storage battery; C) auxiliary generator exports without electrical isolation between storage battery input, charging process storage security hidden danger.
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 charge in batteries power supply that can provide controllable precise, and simple, the required cost of structure low, take the little and safe and reliable battery charging plant for diesel locomotive of volume.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is:
A kind of battery charging plant for diesel locomotive, comprise three phase rectifier module, copped wave boost module and the voltage transformation and isolation module that connect successively, the three phase mains that the interchange auxiliary generator of described three phase rectifier module access diesel locomotive exports carries out rectification, and rectified voltage exports the direct voltage after boosting through described copped wave boost module; DC voltage conversion after described boosting is required size and after carrying out voltage isolation, is supplied to storage battery by described voltage transformation and isolation module.
As further improvement of the utility model: described voltage transformation and isolation module are hard switching full-bridge isolated variable circuit.
As further improvement of the utility model: described hard switching full-bridge isolated variable circuit comprises the IGBT inverter bridge, transformer T1, full-wave rectifying circuit and the output inductor L4 that connect successively.
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.
Compared with prior art, the utility model has the advantage of:
1) three phase mains of the utility model incoming transport auxiliary generator output, three phase rectifier, copped wave boosting, voltage transformation and isolation is carried out successively through three phase rectifier module, copped wave boost module and voltage transformation and isolation module, export the direct voltage of required size to storage battery, can accurately control charging current and charging voltage, obtain the charge in batteries power supply of controllable precise, and the electrical isolation between auxiliary generator and storage battery can be realized by voltage transformation and isolation module, ensure that charging process is safe and reliable;
2) three phase mains of the direct incoming transport auxiliary generator of the utility model converts, DC auxiliary generator is not needed to power, thus can remove the DC auxiliary generator on diesel locomotive and corollary equipment thereof, effectively reduce charging cost, locomotive weight and take volume;
3) the utility model provides DC power supply needed for storage battery by three phase rectifier module, copped wave boost module and voltage transformation and isolation module; do not need to adopt phased AC/DC converter etc.; can effectively reduce locomotive weight, cost, and protection fast can be performed to storage battery when charging abnormal.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model for the battery charging plant of diesel locomotive.
Fig. 2 is the electrical block diagram for the battery charging plant of diesel locomotive in the utility model specific embodiment.
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, voltage transformation and isolation module; 31, hard switching full-bridge isolated variable circuit; 311, IGBT inverter bridge; 312, full-wave rectifying circuit.
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 battery charging plant of diesel locomotive, comprise three phase rectifier module 1, copped wave boost module 2 and the voltage transformation and isolation 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 carries out rectification, and rectified voltage DC1 exports the direct voltage DC2 after boosting through copped wave boost module 2; Direct voltage DC2 after boosting is transformed to the direct voltage DC of required size and after carrying out voltage isolation, is supplied to storage battery 5 by voltage transformation and isolation module 3.
The three phase mains that the utility model incoming transport auxiliary generator 4 exports, three phase rectifier, copped wave boosting, voltage transformation and isolation is carried out successively through three phase rectifier module 1, copped wave boost module 2 and voltage transformation and isolation module 3, export the direct voltage of required size to storage battery 5, can accurately control charging current and charging voltage, obtain the charge in batteries power supply of controllable precise, and the electrical isolation between auxiliary generator and storage battery can be realized by voltage transformation and isolation module 3, ensure that charging process is safe and reliable; Adopt said structure accumulators to power simultaneously, do not need to adopt phased AC/DC converter etc., effectively can reduce locomotive weight, cost, and protection fast can be performed to storage battery when charging abnormal.
The three phase mains of the direct incoming transport auxiliary generator of the utility model converts, DC auxiliary generator is not then needed to power, thus can remove the DC auxiliary generator on diesel locomotive and corollary equipment thereof, effectively reduce charging cost, locomotive weight and take volume.
The utility model three phase rectifier module 1 can adopt does not control rectified three-phase circuit or phased rectified three-phase circuit, and 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 voltage transformation and isolation module 3 be hard switching full-bridge isolated variable 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.Copped wave boost module 2 adopts staggered copped wave booster circuit 21, the switching frequency of product can be significantly improved, thus reduce copped wave main inductance sensibility reciprocal, input and output capacitance, and reduce volume and the weight of inductance and electric capacity, the weight of product and volume are reduced; Product loss can be reduced simultaneously, improve product efficiency.
See Fig. 2, in the present embodiment, hard switching full-bridge isolated variable circuit 31 comprises the IGBT inverter bridge 311, transformer T1, full-wave rectifying circuit 312 and the output inductor L4 that connect successively, by IGBT inverter bridge 311, the DC power conversion that staggered copped wave booster circuit 21 exports is become alternating current, electrical isolation is carried out by transformer T1, by full-wave rectifying circuit 312, the convert alternating current that transformer T1 exports is become direct voltage, be required direct voltage through output inductor L4 output transform, be supplied to storage battery 5.Adopt hard switching full-bridge isolated variable circuit 31, due to employing is intermediate frequency transformer isolation, while realizing electrical isolation, can also accomplish higher switching frequency, thus reduce magnetic elements with and the volume and weight of electric capacity, effectively reduce the volume and weight of product.
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 (7)
1. the battery charging plant for diesel locomotive, it is characterized in that: comprise three phase rectifier module (1), copped wave boost module (2) and the voltage transformation and isolation module (3) that connect successively, the three phase mains that the interchange auxiliary generator (4) of described three phase rectifier module (1) access diesel locomotive exports carries out rectification, and rectified voltage exports the direct voltage after boosting through described copped wave boost module (2); DC voltage conversion after described boosting is required size and after carrying out voltage isolation, is supplied to storage battery (5) by described voltage transformation and isolation module (3).
2. the battery charging plant for diesel locomotive according to claim 1, is characterized in that: described voltage transformation and isolation module (3) are hard switching full-bridge isolated variable circuit (31).
3. the battery charging plant for diesel locomotive according to claim 2, is characterized in that: described hard switching full-bridge isolated variable circuit (31) comprises the IGBT inverter bridge (311), transformer T1, full-wave rectifying circuit (312) and the output inductor L4 that connect successively.
4. the battery charging plant for diesel locomotive according to claim 1 or 2 or 3, is characterized in that: described copped wave boost module (2) is staggered copped wave booster circuit (21).
5. the battery charging plant for diesel locomotive according to claim 4, 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.
6. the battery charging plant for diesel locomotive according to claim 5, is characterized in that: described three phase rectifier module (1) is not for control rectified three-phase circuit or phased rectified three-phase circuit.
7. the battery charging plant for diesel locomotive according to claim 6, is characterized in that: described three phase rectifier module (1) is specially three phase full bridge uncontrollable rectifier circuit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654808.1U CN204928260U (en) | 2015-08-27 | 2015-08-27 | A storage battery charging device for diesel locomotive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520654808.1U CN204928260U (en) | 2015-08-27 | 2015-08-27 | A storage battery charging device for diesel locomotive |
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| CN204928260U true CN204928260U (en) | 2015-12-30 |
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| CN201520654808.1U Active CN204928260U (en) | 2015-08-27 | 2015-08-27 | A storage battery charging device for diesel locomotive |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910931A (en) * | 2017-12-15 | 2018-04-13 | 深圳新恒业电气有限公司 | A kind of control method of single group and multigroup energy storage converting means |
| CN115514070A (en) * | 2022-09-26 | 2022-12-23 | 深圳易能电科技有限公司 | Efficient charging circuit and charging device using same |
-
2015
- 2015-08-27 CN CN201520654808.1U patent/CN204928260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910931A (en) * | 2017-12-15 | 2018-04-13 | 深圳新恒业电气有限公司 | A kind of control method of single group and multigroup energy storage converting means |
| CN115514070A (en) * | 2022-09-26 | 2022-12-23 | 深圳易能电科技有限公司 | Efficient charging circuit and charging device using same |
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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 storage battery charging device 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 |
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| 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 | ||
| 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 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A battery charging device 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 |