CN207426788U - One kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery - Google Patents
One kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery Download PDFInfo
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- CN207426788U CN207426788U CN201721620405.0U CN201721620405U CN207426788U CN 207426788 U CN207426788 U CN 207426788U CN 201721620405 U CN201721620405 U CN 201721620405U CN 207426788 U CN207426788 U CN 207426788U
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- power battery
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Abstract
The utility model discloses a kind of charging systems for electric hybrid vehicle vehicle mounted dynamic battery, the three-phase alternating current or land-based AC electric rectification that AC/DC converter plants and Support Capacitor generate the main generator of diesel generating set are filtered into direct current, the cathode circuit of direct current after high pressure copped wave electronic switch and smoothing reactor with power battery anode by being connected, the cathode traces of direct current are connected with power battery cathode, locomotive microcomputer controls the excitation drive module of main generator to control main generator output power according to the information of power battery management system, the control instruction that DCU controllers are sent according to locomotive microcomputer controls high pressure copped wave electronic switch to control the optimal charge electric current of power battery.The beneficial effects of the utility model：Diesel generating set and ground power supply can carry out quick charge to power battery pack；Ground only needs the voltage changer for setting small volume, cheap and reliability very high.
Description
Technical field
The utility model is related to one kind for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery belongs to rail
Road technical field of transportation.
Background technology
Electric hybrid vehicle is to the prior art of power battery charging both at home and abroad at present, as shown in Figure 1：Power battery
Intermediate DC link directly with locomotive main transmission traction convertor is in parallel, and power battery positive and negative interpolar by ground
Face charger is using ground power supply to power battery charging.There are the shortcomings of several respects for this scheme：
First, since AC/DC converter plant of the three-phase alternating current through traction convertor that diesel generating set generates is rectified into
It is directly in parallel with power battery after direct current, when charging current of the control diesel generating set to power battery, only passes through
The exciting current of main generator is adjusted to carry out, but actual control is extremely difficult, easily causes diesel engine speed, diesel engine power
The larger fluctuation with power battery charging electric current；
2nd, during locomotive brake energy regenerating, can only locomotive system be controlled by the DC/AC electronic switches in traction convertor
To the charging current of power battery when dynamic, current fluctuation is big, and control is unstable；
3rd, railroad traction battery capacity is generally 300~1500kW.h, and nominal capacity is generally 200~1000Ah, nominally
Voltage is generally 500~1500V, and locomotive operation unit, which is intended to power battery, can be rapidly filled with to improve locomotive efficiency,
But if meeting quick charge, to may result in ground charger bulky, with high costs, so if being charged using ground
Machine can only just meet the requirement that low current charges at a slow speed for the charging of railroad traction battery.
Utility model content
The goal of the invention of the utility model is：In view of the above problems, providing a kind of for oil -- electricity mixing is dynamic
The charging system of power locomotive vehicle-mounted power battery.
The technical solution adopted in the utility model is such：
One kind is for oil -- and the charging system of electricity mixed power locomotive vehicle-mounted power battery becomes including locomotive microcomputer, traction
Device and railroad traction battery system three parts are flowed, the traction convertor includes AC/DC converter plants, Support Capacitor, DCU controls
Device processed and high pressure copped wave electronic switch, the railroad traction battery system include power battery and power battery management system, institute
It states traction convertor and further includes smoothing reactor, the AC/DC converter plants and Support Capacitor by the main hair of diesel generating set
The three-phase alternating current or land-based AC electric rectification that motor generates are filtered into direct current, and the cathode circuit of direct current passes through high pressure copped wave
It is connected after electronic switch and smoothing reactor with power battery anode, cathode traces and the power battery cathode of direct current connect
It connects, the locomotive microcomputer controls the excitation drive module of main generator to control master according to the information of power battery management system
Generated output power, the control instruction control high pressure copped wave electronic switch that the DCU controllers are sent according to locomotive microcomputer with
Control the optimal charge electric current of power battery.
Preferably, alternating current caused by main generator and ground power supply are three intersecting as obtained by voltage changer
Galvanic electricity carries out interlocking switching by switching switch 1,2, then again by AC/DC converter plants and Support Capacitor by three-phase alternating current
Electric rectification is into direct current.
Preferably, when exchange supplies electricity to power battery charging caused by main generator, locomotive microcomputer is according to power electric
The information that pond management system provides, on the one hand controls diesel generating set defeated by controlling the excitation drive module of main generator
The power gone out, another aspect locomotive microcomputer are sent according to the charge characteristic and locomotive operation feature of power battery to DCU controllers
Control instruction controls the optimal charge electric current of power battery by DCU controllers to control high pressure copped wave electronic switch.
Preferably, switch 3 is set on circuit between the smoothing reactor and power battery.
Preferably, when ground alternating current is to power battery charging, locomotive microcomputer is carried according to power battery management system
The information of confession sends control instruction to DCU controllers, by DCU controllers high pressure copped wave electronic switch is controlled to control power
The optimal charge electric current of battery.
Preferably, the traction convertor further includes DC/AC electronic switches, the DC terminal of the DC/AC electronic switches
The two poles of the earth are correspondingly connected with Support Capacitor the two poles of the earth, and the exchange end of DC/AC electronic switches is connected with traction electric machine.The preferred embodiment can be with
Realize quick charge of the braking energy recycled during locomotive dynamic braking to power battery.When locomotive carries out dynamic braking, lead
Draw alternating current that motor sends and the intermediate DC link that direct current is added in traction convertor be converted by DC/AC electronic switches,
The information combination locomotive required braking force that locomotive microcomputer is provided according to power battery management system sends power system to DCU controllers
The instruction of power value, DCU controllers control high pressure copped wave electronic switch to control the optimal charge electric current of power battery.
The key improvements point of the utility model is to utilize the high pressure copped wave electricity for controlling copped wave circuit in traction convertor originally
Sub switch with power battery to couple by smoothing reactor（The high pressure copped wave electronic switch is connected composition with copped wave resistance originally
The high tension protection circuit of locomotive main transmission circuit intermediate DC link, in the utility model, eliminates copped wave resistance, with flat ripple
Reactor is substituted, while retains high pressure copped wave electronic switch）.After the technological means, locomotive diesel generating set
It can be charged with ground power supply by this charging system to power battery, and ground power supply can be realized to power electric
The quick charge of pond group, charging current are controlled fully according to power battery characteristic.And ground only needs that voltage is set to become
Changing device is transformed into ground 10kV or 380V three-phase alternating-current supply and railroad traction battery charging voltage matches three intersects
Galvanic electricity source, the small volume of voltage changer, cheap and reliability is very high, compared with prior art in order to realize fast charge and
Ground charger is had to be made very huge and expensive mode, very with competitiveness.
Description of the drawings
Fig. 1 is the functional block diagram of existing charging technique.
Fig. 2 is the functional block diagram of the utility model.
Specific embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
Embodiment：
It is as shown in Fig. 2, a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery, it is micro- including locomotive
Machine, traction convertor and railroad traction battery system three parts, the traction convertor include AC/DC converter plants, support
Capacitance, DCU controllers and high pressure copped wave electronic switch, the railroad traction battery system include power battery and power battery pipe
Reason system, the traction convertor further include smoothing reactor, the AC/DC converter plants and Support Capacitor by diesel-driven generator
The three-phase alternating current or land-based AC electric rectification that the main generator of group generates are filtered into direct current, and the cathode circuit of direct current passes through
It is connected after high pressure copped wave electronic switch and smoothing reactor with power battery anode, the cathode traces and power battery of direct current
Cathode connect, the locomotive microcomputer according to the information of power battery management system control main generator excitation drive module so as to
Main generator output power is controlled, the control instruction that the DCU controllers are sent according to locomotive microcomputer controls high pressure copped wave electronics
Switch is to control the optimal charge electric current of power battery.
The three-phase alternating current of alternating current caused by main generator and ground power supply as obtained by voltage changer, passes through
Switching switch 1,2 carries out interlocking switching, is then again rectified into three-phase alternating current directly by AC/DC converter plants and Support Capacitor
Galvanic electricity.
When exchange supplies electricity to power battery charging caused by main generator：Locomotive microcomputer is on the one hand according to power battery pipe
The exciting current of the excitation drive module for the maximum allowable charging current value control main generator of power battery that reason system provides comes
The power of diesel generating set output is controlled, on the other hand according to the charge characteristic of power battery and locomotive operation feature to DCU
Controller sends control instruction, controls high pressure copped wave electronic switch according to power battery charging characteristic with most by DCU controllers
Good charging current is power battery charging.
Switch 3 is set on the circuit between the smoothing reactor and power battery.
When being charged by ground power supply：Ground 10kV or 380V three-phase alternating-current supply is by being arranged on the voltage transformation on ground
Device becomes the three-phase alternating-current supply to match with power battery charging voltage, inputs to AC/DC converter plants, and locomotive microcomputer is led to
The information of network system acquisition power battery management system is crossed, maximum charge is sent to DCU controllers according to power battery state
Current-order so as to control high pressure copped wave electronic switch with achieve the purpose that control power battery quick charge.
The traction convertor further includes DC/AC electronic switches, DC terminal the two poles of the earth and the support of the DC/AC electronic switches
Capacitance the two poles of the earth are correspondingly connected with, and the exchange end of DC/AC electronic switches is connected with traction electric machine.When locomotive carries out dynamic braking, lead
Draw alternating current that motor sends and the intermediate DC link that direct current is added in traction convertor be converted by DC/AC electronic switches,
The information combination locomotive required braking force that locomotive microcomputer is provided according to power battery management system sends power system to DCU controllers
The instruction of power value, DCU controllers control high pressure copped wave electronic switch to control the optimal charge electric current of power battery.
Claims (7)
1. one kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery, including locomotive microcomputer, traction current transformation
Device and railroad traction battery system three parts, the traction convertor include AC/DC converter plants, Support Capacitor, DCU controls
Device and high pressure copped wave electronic switch, the railroad traction battery system includes power battery and power battery management system, special
Sign is：The traction convertor further includes smoothing reactor, the AC/DC converter plants and Support Capacitor by diesel-driven generator
The three-phase alternating current or land-based AC electric rectification that the main generator of group generates are filtered into direct current, and the cathode circuit of direct current passes through
It is connected after high pressure copped wave electronic switch and smoothing reactor with power battery anode, the cathode traces and power battery of direct current
Cathode connect, the locomotive microcomputer according to the information of power battery management system control main generator excitation drive module so as to
Main generator output power is controlled, the control instruction that the DCU controllers are sent according to locomotive microcomputer controls high pressure copped wave electronics
Switch is to control the optimal charge electric current of power battery.
It is 2. according to claim 1 a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery,
It is characterized in that：The three-phase alternating current of alternating current caused by main generator and ground power supply as obtained by voltage changer leads to
It crosses switching switch 1,2 and carries out interlocking switching, be then again rectified into three-phase alternating current by AC/DC converter plants and Support Capacitor
Direct current.
It is 3. according to claim 1 a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery,
It is characterized in that：When exchange supplies electricity to power battery charging caused by main generator, locomotive microcomputer is according to power battery management system
On the one hand the information that system provides controls the work(that diesel generating set exports by controlling the excitation drive module of main generator
Rate, another aspect locomotive microcomputer send control to DCU controllers according to the charge characteristic and locomotive operation feature of power battery and refer to
Order controls the optimal charge electric current of power battery by DCU controllers to control high pressure copped wave electronic switch.
4. one kind according to claim 1,2 or 3 is for oil -- the Charging of electricity mixed power locomotive vehicle-mounted power battery
System, it is characterised in that：Switch 3 is set on the circuit between the smoothing reactor and power battery.
It is 5. according to claim 1 a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery,
It is characterized in that：When ground alternating current is to power battery charging, information that locomotive microcomputer is provided according to power battery management system,
Control instruction is sent to DCU controllers, the optimal of power battery is controlled to control high pressure copped wave electronic switch by DCU controllers
Charging current.
It is 6. according to claim 1 a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery,
It is characterized in that：The traction convertor further includes DC/AC electronic switches, DC terminal the two poles of the earth and the branch of the DC/AC electronic switches
Support capacitance the two poles of the earth are correspondingly connected with, and the exchange end of DC/AC electronic switches is connected with traction electric machine.
It is 7. according to claim 6 a kind of for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery,
It is characterized in that：When locomotive carries out dynamic braking, the alternating current that traction electric machine is sent is converted into direct current by DC/AC electronic switches
Electricity is added in the intermediate DC link of traction convertor, the information combination locomotive that locomotive microcomputer is provided according to power battery management system
Required braking force sends the instruction of dynamic braking force value to DCU controllers, and DCU controllers control high pressure copped wave electronic switch to control
The optimal charge electric current of brake force battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620405.0U CN207426788U (en) | 2017-11-29 | 2017-11-29 | One kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721620405.0U CN207426788U (en) | 2017-11-29 | 2017-11-29 | One kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426788U true CN207426788U (en) | 2018-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721620405.0U Withdrawn - After Issue CN207426788U (en) | 2017-11-29 | 2017-11-29 | One kind is for oil -- the charging system of electricity mixed power locomotive vehicle-mounted power battery |
Country Status (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733055A (en) * | 2017-11-29 | 2018-02-23 | 中车资阳机车有限公司 | A kind of charging system for electric hybrid vehicle vehicle mounted dynamic battery |
| CN109278765A (en) * | 2018-09-19 | 2019-01-29 | 中车资阳机车有限公司 | A kind of main line hybrid locomotrives set control system and method |
-
2017
- 2017-11-29 CN CN201721620405.0U patent/CN207426788U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107733055A (en) * | 2017-11-29 | 2018-02-23 | 中车资阳机车有限公司 | A kind of charging system for electric hybrid vehicle vehicle mounted dynamic battery |
| CN107733055B (en) * | 2017-11-29 | 2023-10-10 | 中车资阳机车有限公司 | Charging system for vehicle-mounted power battery of oil-electricity hybrid power locomotive |
| CN109278765A (en) * | 2018-09-19 | 2019-01-29 | 中车资阳机车有限公司 | A kind of main line hybrid locomotrives set control system and method |
| CN109278765B (en) * | 2018-09-19 | 2024-02-13 | 中车资阳机车有限公司 | Main line hybrid power locomotive group control system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20231010 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180529 Effective date of abandoning: 20231010 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |