WO2020211589A1 - 轴端发电机发电储能供电系统及其供电方法 - Google Patents

轴端发电机发电储能供电系统及其供电方法 Download PDF

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Publication number
WO2020211589A1
WO2020211589A1 PCT/CN2020/079978 CN2020079978W WO2020211589A1 WO 2020211589 A1 WO2020211589 A1 WO 2020211589A1 CN 2020079978 W CN2020079978 W CN 2020079978W WO 2020211589 A1 WO2020211589 A1 WO 2020211589A1
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Prior art keywords
energy storage
storage device
power
rectifier
plc controller
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PCT/CN2020/079978
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English (en)
French (fr)
Inventor
何海军
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江苏广义牵引技术研究所有限公司
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Priority to EP20791660.2A priority Critical patent/EP3842282A4/en
Publication of WO2020211589A1 publication Critical patent/WO2020211589A1/zh

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61DBODY DETAILS OR KINDS OF RAILWAY VEHICLES
    • B61D43/00Devices for using the energy of the movements of the vehicles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10Parallel operation of dc sources
    • H02J1/102Parallel operation of dc sources being switching converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00Type of vehicles
    • B60L2200/26Rail vehicles
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40The network being an on-board power network, i.e. within a vehicle
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1415Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T30/00Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance

Definitions

  • the invention relates to the technical fields of rail transportation, road transportation, and non-road transportation, and particularly relates to a power supply system for generating and storing energy by a shaft end generator and a power supply method thereof.
  • the solution is that the voltage conversion unit converts the DC voltage output by the energy storage unit into the DC voltage required by the control unit and truck electronic equipment, which cannot provide high power AC power source for electricity demand.
  • the patent application number 201620172593.4 directly uses an energy storage device to output low-voltage, low-power DC power, and cannot provide AC power for high-power power demand.
  • the purpose of the present invention is to at least solve the technical defects described above.
  • an object of the present invention is to propose an axle-end generator power generation and energy storage power supply system and a power supply method thereof, so that the equipment can be charged by the mains power grid, and the truck can be supplemented with electric energy in the marshalling station when the truck is not running. , When the truck is running, the shaft rotation can drive the generator to generate electricity. At this time, no external power supply is needed; at the same time, the flexibility of truck formation is improved.
  • an embodiment of one aspect of the present invention provides a power generation and energy storage power supply system for a truck axle end generator, which includes an axle end generator, a rectifier, an inverter, and a PLC controller;
  • the shaft end generator is fixedly connected to the vehicle wheel shaft, and the shaft end generator is driven to generate electricity by the rotation of the vehicle wheel shaft;
  • the shaft end generator is electrically connected with a rectifier, and the rectifier is connected in parallel with an energy storage device; After being connected in parallel, it is connected to the inverter;
  • the inverter is connected to the electric load;
  • the shaft-end generator is used to send the generated current to the rectifier, and the rectifier is used for rectification, and the rectifier sends the rectified current to the energy storage device Power supply and/or send directly to the inverter;
  • the PLC controller is used to collect current power information of the energy storage device, and switch power supply conditions according to the collected power information;
  • Condition 2 When the current power information of the energy storage device cannot meet the needs of the electrical load, the PLC controller controls the rectifier to send the rectified current directly to the energy storage device for charging, and restore the energy storage device when the charge reaches the set value Supply power to the inverter;
  • Condition 3 If the load does not require electricity or the output power of the rectifier is greater than the power consumed by the load, the rectifier charges the energy storage device to the full upper limit set by the BMS.
  • the energy storage device is connected to a power management system BMS, which is used to collect current power information of the energy storage device; and send the collected power information of the power source to the PLC controller.
  • BMS power management system
  • one end of the rectifier and the energy storage device in parallel is connected to the inverter by connecting an electromagnetic relay; the driving coil of the electromagnetic relay is connected to a PLC controller; the PLC controller controls The contacts of the electromagnetic relay act to switch the power supply conditions.
  • the PLC controller is connected to the cloud platform wirelessly; when the PLC controller detects that the remaining power of the energy storage device reaches the alarm line, the PLC controller sends an alarm message to the cloud platform; The remote reporting system of the cloud platform notifies the corresponding personnel to recharge the energy storage device through the external mains power supply in time.
  • the present invention also provides a method for power generation, storage, and power supply of a shaft end generator, which includes the following steps:
  • S1 Connect the shaft end generator to the vehicle wheel shaft, and use the rotation of the vehicle wheel shaft to drive the shaft end generator to generate electricity; the shaft end generator sends the generated current to the rectifier, and rectifies it through the rectifier;
  • the PLC controller collects the current power information of the energy storage device, and switches the power supply conditions according to the collected power information
  • Working condition 1 When the current power information of the energy storage device meets the needs of the electric load, the PLC controller controls the current generated by the energy storage device and or the current rectified by the rectifier is directly sent to the inverter.
  • Condition 2 When the current power information of the energy storage device cannot meet the needs of the electrical load, the PLC controller controls the rectifier to send the rectified current directly to the energy storage device for charging, and restore the energy storage device when the charge reaches the set value Supply power to the inverter;
  • Condition 3 If the load does not require electricity or the output power of the rectifier is greater than the power consumed by the load, the rectifier charges the energy storage device to the full upper limit set by the BMS.
  • the PLC controller when the PLC controller collects the current power information of the energy storage device, it is collected through the power management system BMS, the energy storage device is connected to the power management system BMS, and the power management system BMS collects the current power information of the energy storage device Information; and send the collected power information of the energy storage device to the PLC controller.
  • in S2 when switching the power supply conditions, connect an electromagnetic relay at the parallel end of the rectifier and the energy storage device, and connect the inverter through the electromagnetic relay; the drive of the electromagnetic relay The coil is connected to a PLC controller; the PLC controller controls the action of the contacts of the electromagnetic relay to switch the power supply conditions.
  • the PLC controller connects to the cloud platform via wireless; when the PLC controller detects that the remaining power of the energy storage device reaches the alarm line, the PLC controller sends an alarm message to the cloud platform ; Through the remote reporting system of the cloud platform to notify the corresponding personnel to recharge the energy storage device through the external mains power supply in time.
  • a shaft-end generator power generation and energy storage power supply system and a power supply method thereof are provided; compared with the prior art, it has at least the following advantages:
  • the equipment is small in size, low in cost, saves installation space, reduces transmission risks such as hydraulic oil leakage, and enables the equipment to be charged by the mains power grid.
  • the vehicle can be replenished in the marshalling station as needed
  • the axle rotation can drive the generator to generate electricity. At this time, no external power supply is required, and the flexibility of vehicle formation is improved.
  • Figure 1 is a block diagram of the circuit connection of a shaft end generator power generation and energy storage power supply system of the present invention
  • Figure 2 is a flow chart of a method for power generation, storage, and power supply of a shaft end generator according to the present invention
  • Vehicle axle 1. Vehicle axle; 2. Shaft end generator; 3. Rectifier; 4. Energy storage device; 5. Power management system BMS; 6. PLC controller; 7. Inverter; 8. Cloud platform;
  • a shaft-end generator 2 power generation and energy storage power supply system includes a shaft-end generator 2, a rectifier 3, an inverter 7 and a PLC controller 6;
  • the shaft end generator 2 is fixedly connected to the vehicle axle 1, and the shaft end generator 2 is driven to generate electricity by rotating the vehicle axle 1.
  • the shaft end generator 2 is electrically connected to the rectifier 3, and the rectifier 3 Connected in parallel with the energy storage device 4; connected in parallel with the inverter 7; the inverter 7 is connected to an electric load; the shaft-end generator 2 is used to send the generated current to the rectifier 3 through Rectification, the rectifier 3 sends the rectified current to the energy storage device 4 for power supply and/or directly to the inverter 7;
  • the energy storage device in the technical solution of the present application may be a battery or a capacitor.
  • the PLC controller 6 is used to collect the current power information of the energy storage device 4, and switch the power supply conditions according to the collected power information; the parallel end of the rectifier 3 and the energy storage device 4 is connected to the inverter by connecting an electromagnetic relay 7; The drive coil of the electromagnetic relay is connected to the PLC controller 6; the PLC controller 6 controls the action of the contacts of the electromagnetic relay to switch the power supply conditions.
  • Condition 3 If the electric load does not require electricity or the output power of the rectifier is greater than the power consumed by the load, the rectifier charges the energy storage device to the full upper limit set by the power management system BMS. In this working condition, similar to the above working condition two, the difference is that the load consumes little or no electricity at this time; the judgment of the output power of the rectifier and the power consumed by the load only needs to be connected to the vehicle based on the electric load.
  • the output current of each socket in the distribution box is sufficient; a current transformer is installed at the connection of the socket interface of the distribution box, and the current value of the interface is detected by the current transformer to calculate the electrical power of the electrical load; generally
  • the electric load on the vehicle has been set to limit the current; it reaches the maximum output power of the rectifier at full load; it avoids the generator damage due to excessive load.
  • the PLC controller 6 is wirelessly connected to the cloud platform; when the PLC controller 6 detects that the remaining power of the energy storage device 4 reaches the alarm line, the PLC controller 6 sends an alarm message to it; the remote sending system of the cloud platform informs the corresponding The personnel timely recharge the energy storage device 4 through the external mains power supply.
  • the axle drives the shaft end generator to generate electricity, and the speed is 30km/h-120km/h (this range can be adjusted by the rectifier according to the specific vehicle type).
  • the generated electricity is rectified by a rectifier, and the rectifier converts the current generated by the generator into three-phase electricity; powering the energy storage device.
  • the PLC controller sets the voltage range of the power management system BMS, and the power management system BMS of the energy storage device automatically determines whether to charge the energy storage device according to the real-time voltage level of the power supply.
  • the shaft end generator cannot generate current at this time, and the energy storage device will supply power at this time.
  • the PLC switches the energy storage device to supply power alone, the rectifier alone, or the energy storage device and the rectifier together to power the inverter by collecting the power information of the energy storage device.
  • the energy storage device When trains are regrouped at the station, the energy storage device (within the rated capacity of the energy storage device) can be used to power the inverter. If the remaining power of the energy storage device reaches the alarm line, the alarm information is notified to the corresponding personnel through the remote reporting system of the cloud platform 8 to recharge the energy storage device through the external mains power supply in time.
  • the working status information of generators, rectifiers, and energy storage devices are extracted by PLC and made logical judgments, so that each system can operate intelligently without human intervention.
  • the cloud platform stores the history and current working status information of each unit of the system and can transmit relevant information to relevant personnel through the remote reporting module.
  • the present invention also provides a method for power generation, storage, and power supply of a shaft end generator, which includes the following steps:
  • S1 Connect the shaft end generator to the vehicle wheel shaft, and use the rotation of the vehicle wheel shaft to drive the shaft end generator to generate electricity; the shaft end generator sends the generated current to the rectifier, and rectifies it through the rectifier;
  • the PLC controller collects the current power information of the energy storage device and switches the power supply condition according to the collected power information; when the PLC controller collects the current power information of the energy storage device, it collects it through the power management system BMS, and the energy storage device is connected
  • the power management system BMS collects the current power information of the energy storage device; and sends the collected power information of the power supply to the PLC controller.
  • an electromagnetic relay is connected to the parallel end of the rectifier and the energy storage device, and the inverter is connected through the electromagnetic relay; the driving coil of the electromagnetic relay is connected to the PLC controller; the PLC controller controls the electromagnetic relay The contact action of the switch to switch the power supply conditions.
  • Condition 2 When the current power information of the energy storage device cannot meet the needs of the electrical load, the PLC controller controls the rectifier to send the rectified current directly to the energy storage device for charging, and restore the energy storage device when the charge reaches the set value Supply power to the inverter;
  • Condition 3 If the load does not require electricity or the output power of the rectifier is greater than the power consumed by the load, the rectifier charges the energy storage device to the full upper limit set by the BMS.
  • the PLC controller connects to the cloud platform wirelessly; when the PLC controller detects that the remaining power of the energy storage device reaches the alarm line, the PLC controller sends an alarm message to the cloud platform; the remote reporting system of the cloud platform informs the corresponding The personnel timely recharge the energy storage device through the external mains power supply.
  • the axle drives the shaft end generator to generate electricity at a speed of 30km/h-120km/h (this range can be adjusted by the rectifier according to the specific vehicle type), within the range
  • the generated electricity is rectified through a rectifier, and the rectifier converts the current generated by the generator into three-phase electricity; supplies power to the energy storage device.
  • the PLC controller sets the voltage range of the power management system BMS, and the power management system BMS of the energy storage device automatically determines whether to charge the energy storage device according to the real-time voltage level of the energy storage device.
  • the shaft end generator cannot generate current at this time, and the energy storage device will supply power at this time.
  • the PLC switches the energy storage device to supply power alone, the rectifier alone, or the energy storage device and the rectifier together to power the inverter by collecting the power information of the energy storage device.
  • the energy storage device When trains are regrouped at the station, the energy storage device (within the rated capacity of the energy storage device) can be used to power the inverter. If the remaining power of the energy storage device reaches the alarm line, the alarm information will notify the corresponding personnel through the remote reporting system of the cloud platform to recharge the energy storage device through the external mains power supply in time.
  • the working status information of generators, rectifiers, and energy storage devices are extracted by PLC and made logical judgments, so that each system can operate intelligently without human intervention.
  • the cloud platform stores the history and current working status information of each unit of the system and can transmit relevant information to relevant personnel through the remote reporting module.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种轴端发电机发电储能供电系统及其供电方法;包括轴端发电机(2)、整流器(3)、储能装置(4)、逆变器(7)和PLC控制器(6);轴端发电机(2)由车轴带动产生电能供给整流器(3),整流器(3)将电流发送给储能装置(4)供电和/或直接发送至逆变器(7);PLC控制器(6)根据采集的储能装置(4)电量信息实时切换供电工况;当储能装置(4)满足用电负载时,PLC控制器(6)控制整流器(3)和/或储能装置(4)将电流输送至逆变器(7);否则控制整流器(3)将整流后的电流发送至储能装置(4)充电,充电电源来源于轴端发电机(2)或市电。提高了车辆编组的灵活性。使用轴端发电机(2),体积小,成本低。

Description

轴端发电机发电储能供电系统及其供电方法 技术领域
本发明涉及轨道交通、公路运输、非道路运输技术领域,特别涉及一种轴端发电机发电储能供电系统及其供电方法。
背景技术
铁路客车、货车需满足车辆的用电设备(照明、电热水器、冰箱等)和储能装置充电需要外部电源,当前主要有两种供电技术,1)由车头电源集中供电,2)独立分布式发电的车辆。由于车头电源集中供电的方式不方便在编组站灵活编组,不能适应客运、货运的多样性需求,因此没有很多实用价值。现有的列车供电系统仅适用于旅客列车,不适合货运列车。铁路货车具有作业条件恶劣、编组频繁的特点,由牵引机车或发电车通过电缆向其供电的方式难以实施,在铁路货车单节车辆上安装独立分布式自发电装置是解决该问题的一个研究方向。中国的铁路运输线分布广、运量大、运输成本低、节能环保,但是由于铁路货运车辆缺乏独立分布式的发电和配电系统,导致铁路运输无法进入需要保温的生鲜食品运输市场。独立分布式发电的车辆,各车辆在运用过程中为可以自由组合编组,运输的灵活性高,满足运输企业的实际需要。独立分布式发电的车辆过去几十年来,需要配置独立的内燃机发电系统,而内燃机发电费用高、噪声大、排除大量的污染气体,不符合节能减排的发展方向。在现有的相关专利中,例如:申请号为201510653776.8的专利,其方案为,电压变换单元将储能单元输出的直流电压变换为控制单元和货车电子设备所需的直流电压,不能提供大功率用电需求的交流动力电源。申请号201620172593.4的专利,其直接用储能装置输出低压、小功率的直流电,不能提供大功率用电需求的交流动力电源。
在进行制造时,因其它发电机(例如轮轴皮带驱动的发电机)的体积过大,需要对铁路货车的车体结构进行重新设计,高昂的成本及复杂的维修工况决定了该方案难以实施;同时存在电能储存问题。
发明内容
本发明的目的旨在至少解决所述的技术缺陷。
为此,本发明的一个目的在于提出一种轴端发电机发电储能供电系统及其供电方法,使设备能够利用市电电网充电,在货车不运行时使货车在编组站能够根据需要补充电能,货车运行时,轴转动可以带动发电机发电,此时不需要外部电源供电;同时提高了货车编组的灵活性。
为了实现上述目的,本发明一方面的实施例提供一种货车轴端发电机发电储能供电系统,包括轴端发电机、整流器、逆变器和PLC控制器;
所述轴端发电机与车辆轮轴固定连接,利用所述车辆轮轴转动,带动所述轴端发电机进行发电;所述轴端发电机与整流器电连接,所述整流器与储能装置并联连接;并联后与逆变器连接;所述逆变器连接用电负载;所述轴端发电机用于将产生的电流发送至整流器,通过整流器进行整流,整流器将整流后的电流发送给储能装置供电和/或直接发送至逆变器;
所述PLC控制器用于采集储能装置当前的电量信息,并根据采集的电量信息切换供电工况;
工况一:当储能装置当前的电量信息满足用电负载的需要时,PLC控制器控制储能装置和或整流后的电流直接发送至逆变器,
工况二:当储能装置当前的电量信息无法满足用电负载的需要时,PLC控制器控制整流器将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
工况三:如负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至BMS设定的充满上限。
优选的,所述储能装置连接电源管理系统BMS,所述电源管理系统BMS用于采集储能装置当前的电量信息;并将采集到的电源的电量信息发送至PLC控制器。
在上述任意一项实施例中优选的,所述整流器与储能装置并联的一端,通过连接电磁继电器连接逆变器;所述电磁继电器的驱动线圈连接PLC控制器;所述PLC控制器通过控制电磁继电器的触头动作,进行供电工况的切换。
在上述任意一项实施例中优选的,所述PLC控制器通过无线连接云平台;当PLC控制器检测到储能装置的剩余电量达到报警线时,PLC控制器发送报警信息至云平台;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
本发明还提供一种轴端发电机发电储能供电方法,包括以下步骤:
S1:将轴端发电机与车辆轮轴连接,利用车辆轮轴转动,带动轴端发电机进行发电;轴端发电机将产生的电流发送至整流器,通过整流器进行整流;
S2:PLC控制器采集储能装置当前的电量信息,并根据采集的电量信息切换供电工况;
工况一:当储能装置当前的电量信息满足用电负载的需要时,PLC控制器控制储能装置产生的电流和或整流器整流后的电流直接发送至逆变器,
工况二:当储能装置当前的电量信息无法满足用电负载的需要时,PLC控制器控制整流器将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
工况三:如负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至BMS设定的充满上限。
优选的,在S2中,还包括PLC控制器采集储能装置当前的电量信息时,通过电源管理系统BMS进行采集,储能装置连接电源管理系统BMS,电源管理系统BMS采集储能装置当前的电量信息;并将采集到的储能装置的电量信息发送至PLC控制器。
在上述任意一项实施例中优选的,在S2中,进行供电工况的切换时,在整流器与储能装置并联的一端,连接电磁继电器,并通过电磁继电器连接逆变器;电磁继电器的驱动线圈连接PLC控制器;所述PLC控制器通过控制电磁继电器的触头动作,进行供电工况的切换。
在上述任意一项实施例中优选的,还包括S3,PLC控制器通过无线连接云平台;当PLC控制器检测到储能装置的剩余电量达到报警线时,PLC控制器发送报警信息至云平台;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
根据本发明实施例提供的一种轴端发电机发电储能供电系统及其供电方法;相比于现有技术,至少具有以下优点:
采用轴端发电机,设备体积小,成本低,节省安装空间,降低液压漏油等传动风险,并使设备能够利用市电电网充电,在车辆不运行时,使车辆在编组站能够根据需要补充电能,车辆运行时,车轴转动可以带动发电机发电,此时不需要外部电源供电,同时提高了车辆编组的灵活性。
本发明附加的方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解,其中:
图1为本发明一种轴端发电机发电储能供电系统的电路连接框图;
图2为本发明一种轴端发电机发电储能供电方法的流程图;
图中:
1、车辆轮轴;2、轴端发电机;3、整流器;4、储能装置;5、电源管理系统BMS;6、PLC控制器;7、逆变器;8、云平台;
具体实施方式
下面详细描述本发明的实施例,所述实施例的示例在附图中示出,其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的,旨在用于解释本发明,而不能理解为对本发明的限制。
如图1所示,本发明实施例的一种轴端发电机2发电储能供电系统,包括轴端发电机2、整流器3、逆变器7和PLC控制器6;
所述轴端发电机2与车辆轮轴1固定连接,利用所述车辆轮轴1转动,带动所述轴端发电机2进行发电;所述轴端发电机2与整流器3电连接,所述整流器3与储能装置4并联连接;并联后与逆变器7连接;所述逆变器7连接用电负载;所述轴端发电机2用于将产生的电流发送至整流器3,通过整流器3进行整流,整流器3将整流后的电流发送给储能装置4供电和/或直接发送至逆变器7;
需要说明的是,本申请技术方案中的储能装置可以为蓄电池或者电容。
所述PLC控制器6用于采集储能装置4当前的电量信息,并根据采集的电量信息切换供电工况;所述整流器3与储能装置4并联的一端,通过连接电磁继电器连接逆变器7;所述电磁继电器的驱动线圈连接PLC控制器6;所述PLC控制器6通过控制电磁继电器的触头动作,进行供电工况的切换。
工况一:当储能装置4当前的电量信息满足用电负载的需要时,PLC控制器6PLC控制器控制储能装置4和或整流器整流后的电流直接发送至逆变器直接发送至逆变器,
工况二:当储能装置4当前的电量信息无法满足用电负载的需要时,PLC控制器6控制整流器3将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
工况三:如用电负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至电源管理系统BMS设定的充满上限。在本工况中,与上述工况二相似,区别在于,此时负载用电量少或者不用电;对于整流器的输出功率与负载消耗的功率的判断,只需要根据用电负载连接在车载的配电箱中每个插座的输出电流即可;配电箱的与插座接口连接处设置电流互感器,通过电流互感器检测当前接口的电流值,计算用电负载的用电功率;一般对设置在车辆上的用电负载都进行了限流设置;满载时达到整流器的输出功率的最大值;避免由于负载过大,造成发电机损坏。
所述PLC控制器6通过无线连接云平台;当PLC控制器6检测到储能装置4的剩余电量达到报警线时,PLC控制器6发送报警信息至;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置4补电。
在本发明的一个实施例中,在列车正常运行工况下,车轴带动轴端发电机发电,在车速30km/h-120km/h(该范围可以根据具体车型,通过整流器进行调整)范围内将发出的电通过整流器整流,整流器将发电机发出的电流转换为三相电;给储能装置供电。
需要说明的是,PLC控制器对电源管理系统BMS进行电压范围的设定,储能装置的电源管理系统BMS,根据电源的实时电压高低自动决定是否给储能装置充电。当用电负载需要工作时,如果列车临时停车时,此时轴端发电机无法产生电流,此时由储能装置进行供电。
列车运行时,PLC通过采集储能装置的电量信息切换储能装置单独供电、整流器单独供电或者储能装置和整流器一起给逆变器供电。
列车在车站重新编组时,可以利用储能装置(在储能装置额定容量以内)给逆变器供电。如果储能装置的剩余电量达到报警线,报警信息通过云平台8的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
发电机、整流器、储能装置的工作状态信息通过PLC提取并做逻辑判断,使各系统能够在无人工干预的条件下智能运行。云平台储存了系统各单元的历史及当前工作状态信息并能通过远程发报模块把相关信息传递给有关人员。
本发明还提供一种轴端发电机发电储能供电方法,包括以下步骤:
S1:将轴端发电机与车辆轮轴连接,利用车辆轮轴转动,带动轴端发电机进行发电;轴端发电机将产生的电流发送至整流器,通过整流器进行整流;
S2:PLC控制器采集储能装置当前的电量信息,并根据采集的电量信息切换供电工况;PLC控制器采集储能装置当前的电量信息时,通过电源管理系统BMS进行采集,储能装置连接电源管理系统BMS,电源管理系统BMS采集储能装置当前的电量信息;并将采集到的电源的电量信息发送至PLC控制器。
进行供电工况的切换时,在整流器与储能装置并联的一端,连接电磁继电器,并通过电磁继电器连接逆变器;电磁继电器的驱动线圈连接PLC控制器;所述PLC控制器通过控制电磁继电器的触头动作,进行供电工况的切换。
工况一:当储能装置当前的电量信息满足用电负载的需要时,PLC控制器控制储能装置和或整流后的电流直接发送至逆变器,
工况二:当储能装置当前的电量信息无法满足用电负载的需要时,PLC控制器控制整 流器将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
工况三:如负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至BMS设定的充满上限。
还包括S3,PLC控制器通过无线连接云平台;当PLC控制器检测到储能装置的剩余电量达到报警线时,PLC控制器发送报警信息至云平台;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
在本发明的一个实施例中,在列车正常运行工况下,车轴带动轴端发电机发电,在车速30km/h-120km/h(该范围可以根据具体车型,通过整流器进行调整),范围内将发出的电通过整流器整流,整流器将发电机发出的电流转换为三相电;给储能装置供电。
需要说明的是,PLC控制器对电源管理系统BMS进行电压范围的设定,储能装置的电源管理系统BMS,根据储能装置的实时电压高低自动决定是否给储能装置充电。当用电负载需要工作时,如果列车临时停车时,此时轴端发电机无法产生电流,此时由储能装置进行供电。
列车运行时,PLC通过采集储能装置的电量信息切换储能装置单独供电、整流器单独供电或者储能装置和整流器一起给逆变器供电。
列车在车站重新编组时,可以利用储能装置(在储能装置额定容量以内)给逆变器供电。如果储能装置的剩余电量达到报警线,报警信息通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
发电机、整流器、储能装置的工作状态信息通过PLC提取并做逻辑判断,使各系统能够在无人工干预的条件下智能运行。云平台储存了系统各单元的历史及当前工作状态信息并能通过远程发报模块把相关信息传递给有关人员。
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不一定指的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本发明的限制,本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。本发明的范围由所附权利要求及其等同限定。

Claims (8)

  1. 一种轴端发电机发电储能供电系统,其特征在于,包括轴端发电机、整流器、储能装置、逆变器和PLC控制器;
    所述轴端发电机与车辆轮轴固定连接,利用所述车辆轮轴转动,带动所述轴端发电机进行发电;所述轴端发电机与整流器电连接,所述整流器与储能装置连接;整流器与储能装置并联后与逆变器连接;所述逆变器连接用电负载;所述轴端发电机用于将产生的电流发送至整流器,通过整流器进行整流,整流器将外部市电或轴端发电机电流整流后的电流发送给储能装置供电或直接发送至逆变器;
    所述PLC控制器用于采集储能装置当前的电量信息,并根据采集的电量信息切换供电工况;
    工况一:当储能装置当前的电量信息满足用电负载的需要时,PLC控制器控制整流后的电流和或储能装置的电流直接发送至逆变器;
    工况二:当储能装置当前的电量信息无法满足用电负载的需要时,PLC控制器控制整流器将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
    工况三:如负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至BMS设定的充满上限。
  2. 根据权利要求1所述的轴端发电机发电储能供电系统,其特征在于,所述储能装置连接电源管理系统BMS,所述电源管理系统BMS用于采集储能装置当前的电量信息;并将采集到的电源的电量信息发送至PLC控制器。
  3. 根据权利要求1所述的轴端发电机发电储能供电系统,其特征在于,所述整流器与储能装置并联的一端,通过连接电磁继电器连接逆变器;所述电磁继电器的驱动线圈连接PLC控制器;所述PLC控制器通过控制电磁继电器的触头动作,进行供电工况的切换。
  4. 根据权利要求1所述的轴端发电机发电储能供电系统,其特征在于,所述PLC控制器通过无线连接云平台;当PLC控制器检测到储能装置的剩余电量达到报警线时,PLC控制器发送报警信息至云平台;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
  5. 一种轴端发电机发电储能供电方法,其特征在于,包括以下步骤:
    S1:将轴端发电机与车辆轮轴连接,利用车辆轮轴转动,带动轴端发电机进行发电; 轴端发电机将产生的电流发送至整流器,通过整流器进行整流;
    S2:PLC控制器采集储能装置当前的电量信息,并根据采集的电量信息切换供电工况;
    工况一:当储能装置当前的电量信息满足用电负载的需要时,PLC控制器控制整流后的电流和或储能装置的电流直接发送至逆变器;
    工况二:当储能装置当前的电量信息无法满足用电负载的需要时,PLC控制器控制整流器将整流后的电流直接发送至储能装置充电,充电到设定值时,恢复储能装置向逆变器供电;
    工况三:如负载不需要用电或者整流器的输出功率大于负载消耗的功率时,整流器向储能装置充电至BMS设定的充满上限。
  6. 根据权利要求5所述的轴端发电机发电储能供电方法,其特征在于,在S2中,还包括PLC控制器采集储能装置当前的电量信息时,通过电源管理系统BMS进行采集,储能装置连接电源管理系统BMS,电源管理系统BMS采集储能装置当前的电量信息;并将采集到的储能装置的电量信息发送至PLC控制器。
  7. 根据权利要求5所述的轴端发电机发电储能供电方法,其特征在于,在S2中,进行供电工况的切换时,在整流器与储能装置并联的一端,连接电磁继电器,并通过电磁继电器连接逆变器;电磁继电器的驱动线圈连接PLC控制器;所述PLC控制器通过控制电磁继电器的触头动作,进行供电工况的切换。
  8. 根据权利要求5所述的轴端发电机发电储能供电方法,其特征在于,还包括S3,PLC控制器通过无线连接云平台;当PLC控制器检测到储能装置的剩余电量达到报警线时,PLC控制器发送报警信息至云平台;通过云平台的远程发报系统通知相应人员及时通过外接市电电源给储能装置补电。
PCT/CN2020/079978 2019-04-15 2020-03-18 轴端发电机发电储能供电系统及其供电方法 WO2020211589A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815656A (zh) * 2021-09-28 2021-12-21 郑州通晓数据技术有限公司 一种基于货运列车的多级电源充电方法及装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210082991U (zh) * 2019-04-15 2020-02-18 江苏广义牵引技术研究所有限公司 轴端发电机发电储能供电系统

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105346394A (zh) * 2015-10-12 2016-02-24 株洲科盟车辆配件有限责任公司 一种铁路货车自供电装置及方法
CN205811637U (zh) * 2016-03-07 2016-12-14 成都优立科科技有限公司 一种铁路货车供电系统
CN205846737U (zh) * 2016-06-06 2016-12-28 同济大学 一种利用列车再生制动能的电动汽车储能式服务站
US20180056805A1 (en) * 2016-08-27 2018-03-01 Fang Shen Method of Energizing Electric Vehicle Power Train with Multiple and Independently Controlled Battery Packs
CN110027443A (zh) * 2019-04-15 2019-07-19 江苏广义牵引技术研究所有限公司 轴端发电机发电储能供电系统及其供电方法
CN210082991U (zh) * 2019-04-15 2020-02-18 江苏广义牵引技术研究所有限公司 轴端发电机发电储能供电系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060005739A1 (en) * 2001-03-27 2006-01-12 Kumar Ajith K Railroad system comprising railroad vehicle with energy regeneration
EP2684732A1 (en) * 2012-07-09 2014-01-15 ABB Oy Electrical system having a DC link
CN206595753U (zh) * 2017-03-10 2017-10-27 南昌工程学院 一种列车自供电电源系统

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105346394A (zh) * 2015-10-12 2016-02-24 株洲科盟车辆配件有限责任公司 一种铁路货车自供电装置及方法
CN205811637U (zh) * 2016-03-07 2016-12-14 成都优立科科技有限公司 一种铁路货车供电系统
CN205846737U (zh) * 2016-06-06 2016-12-28 同济大学 一种利用列车再生制动能的电动汽车储能式服务站
US20180056805A1 (en) * 2016-08-27 2018-03-01 Fang Shen Method of Energizing Electric Vehicle Power Train with Multiple and Independently Controlled Battery Packs
CN110027443A (zh) * 2019-04-15 2019-07-19 江苏广义牵引技术研究所有限公司 轴端发电机发电储能供电系统及其供电方法
CN210082991U (zh) * 2019-04-15 2020-02-18 江苏广义牵引技术研究所有限公司 轴端发电机发电储能供电系统

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3842282A4

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113815656A (zh) * 2021-09-28 2021-12-21 郑州通晓数据技术有限公司 一种基于货运列车的多级电源充电方法及装置
CN113815656B (zh) * 2021-09-28 2023-01-24 郑州通晓数据技术有限公司 一种基于货运列车的多级电源充电方法及装置

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