CN110509773A - It is a kind of based on double source trolleybus to the system and method for Vehicular charging - Google Patents
It is a kind of based on double source trolleybus to the system and method for Vehicular charging Download PDFInfo
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- CN110509773A CN110509773A CN201910794135.2A CN201910794135A CN110509773A CN 110509773 A CN110509773 A CN 110509773A CN 201910794135 A CN201910794135 A CN 201910794135A CN 110509773 A CN110509773 A CN 110509773A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Abstract
The invention proposes a kind of based on double source trolleybus to the system of Vehicular charging, including the Electricity collecting frame for obtaining gauze energy, the on-vehicle battery included for the DC/DC converter unit and double source trolleybus of transformation energy, charge controller has one or more groups of parallel charge ports, charging control unit is arranged between DC/DC converter unit and charge controller, control the energy on-off of charge port, energy management unit passes through CAN line and Electricity collecting frame, DC/DC converter unit, charging control unit carries out signal connection, adjustment is distributed to the power of charge port, on-vehicle battery obtains the energy of DC/DC converter unit outlet side by individual route.The present invention can give pure electric car quick charge by DC grid, not only solve the queuing problem that charges caused by pure charging electric car stake lazy weight, and can power using the trough of DC grid, can bring good economic benefit.
Description
Technical field
The present invention relates to the new control technology fields of double source trolleybus, are a kind of high-power isolation DC/DC converters of utilization
The method that function charges to pure electric vehicle, specifically a kind of system and side based on double source trolleybus to Vehicular charging
Method.
Background technique
In the case where urban air pollution is serious and dependence on foreign countries for oil is higher and higher, traditional fuel power public transport
The needs of energy-saving and emission-reduction are unable to satisfy, country starts to widely popularize new energy bus.Currently, the bottleneck of electric vehicle development
It is a lack of convenient charging network and charging terminal.It is not laid out in each city extensively in charging terminal, and charging is eventually
In the case where holding charge efficiency itself low, the user of electric vehicle always needs to pay close attention to remaining capacity when driving, and worries
Existing power drain and the stranded embarrassment on road happens.Therefore, in order to adapt to the development speed of electric vehicle, some
Large- and-medium size cities carry out certain layout to charging network, determine that electric vehicle is frequent in bustling location or by investigating
Location, increase the quantity of charging terminal, alleviate the technical problem of electric vehicle charging hardly possible to a certain extent.On however,
The mode of stating can not fundamentally solve the problems, such as that electric vehicle charging hardly possible, the distribution of charging terminal and quantity are all unable to satisfy active
The urgent need of electric vehicle on each large, medium and small road in city.Also, charging terminal needs in the prior art occupy
New public resource, so that limited public space is more had too many difficulties to cope with originally in city.
Current bus station's vehicle is charged by charging pile.Problem that there are two existing charging pile charging techniques,
First is that charging pile queuing problem, bus station's Vehicular charging in tandem, into the inside after can only one-way traffic, once preceding vehicle
Electricity is charged, subsequent vehicle charges not yet, and the vehicle for coming outside cannot be introduced into the parking stall of foremost, can only wait in channels
Vehicle can just enter after all charging, if subsequent vehicle first charges in channel, front charges not yet, it is subsequent also can only be in original
The vehicle of position waiting front is first gone out, and most cities city site coverage and the density of population are highest regions, are not had more than needed
Soil space is to electric charging station, so charging pile construction is also difficult one of the reason of charging；Second is that electricity charge problem, domestic at present
Public charging pile is all by not commensurate in operation management and charge, and charging expense is usually to be made of basic charge as per installed capacity and service charge
, total price is about between 1.8 yuan~2.0 yuan, and double source trackless vehicle gauze electricity consumption is free of service fee.In addition, due to pure electricity
Voltage platform required for vehicle high-voltage battery charges is different, currently with the DC/DC converter of double source trolleybus or charging
Machine is all to charge one by one to pure electric Vehicular charging, and being related to more chargings is also timesharing wheel current charge.It must bring in this way
The slow problem of charge efficiency.
Summary of the invention
It is provided the technical problem to be solved by the present invention is to, overcome the deficiencies in the prior art a kind of based on double source trackless electricity
Vehicle while giving a kind of method based on double source trolleybus to Vehicular charging to the system of Vehicular charging.
The present invention provides a kind of system based on double source trolleybus to Vehicular charging, including for obtaining gauze energy
Electricity collecting frame, the on-vehicle battery included for the DC/DC converter unit and double source trolleybus of transformation energy, further includes:
Charge controller, with one or more groups of parallel charge ports；
Charging control unit is arranged between DC/DC converter unit and charge controller, to control the energy on-off of charge port；
Energy management unit (EMU) carries out signal with Electricity collecting frame, DC/DC converter unit, charging control unit by CAN line and connects
It is logical, the power of adjustment distribution to charge port；
The on-vehicle battery obtains the energy of DC/DC converter unit outlet side by individual route.
Electricity collecting frame can be connected or disconnected with DC grid in the present invention, i.e., can control DC/ by Electricity collecting frame
The switch of DC converter unit and DC grid, Electricity collecting frame are used to that the electric energy acquisition of DC grid to be got off to be supplied to DC/DC transformation
Unit；Direct current on DC grid for being converted to required controllable direct current, DC/DC transformation by DC/DC converter unit
Unit can be set as specified constant voltage mode, constant current mode, constant power mode to late-class circuit according to the requirement command received
It is supplied to and is electrically charged vehicle charging；System of the invention includes energy management unit, and energy management unit and charging control unit are logical
Letter, after the request for receiving the rechargeable battery of pure electric car, handles and feeds back DC/DC converter unit, DC/DC converter unit root
According to voltage and current needed for demand output, while the information of charging can also be fed back to entire car controller and instrument board, be convenient for
Observation and record；Charging control unit is for realizing Insulation monitoring, and the high pressure in charging module of releasing, and plays guidance charging
Function.The present invention uses DC/DC modularized design, and charging pile identifies that battery BMS system, gauze power carries out Coordinated Communication, is
Pure electric car provides mobile rechargeable energy.
As a technical solution of the invention, the charge controller has single group charge port, and the charge port passes through
Energy from a DC/DC converter unit outlet side provides auxiliary energy.
Further, the energy partially from the DC/DC converter unit outlet side is converted into closing by power adapter
Suitable voltage is optionally provided to charge port.
Further, there is control switch between the power adapter and the charge port；The control switch and institute
Charging control unit and/or the energy management unit is stated to connect by signal.
Further, the power adapter is incorporated to on-vehicle battery by common route defeated to DC/DC converter unit
Side out.There is internal switch K, internal switch K and the charging are controlled between the on-vehicle battery and DC/DC converter unit outlet side
Unit processed and/or the energy management unit are connected by signal.
In above structure, charge controller is connected with control switch, power adapter respectively, the input side warp of control switch
Leadage circuit connects the outlet side of DC/DC converting unit, and outlet side connects charge port, and charge port passes through signal wire and charge control
Device is connected.Power adapter includes 24V accessory power supply and accessory power supply switch, and 24V accessory power supply and internal switch K are by common
Route be incorporated to the outlet side of DC/DC converting unit, 24V accessory power supply is also switched through accessory power supply and is connect with charge port.It is internal
The outlet side of switch connects on-vehicle battery, and such DC/DC converting unit is separately connected control switch and internal switch K in parallel.
In addition, insulation detection device (IMD) is connected between the outlet side and leadage circuit of DC/DC converting unit, Insulation monitoring dress
Set, charge port with connecing equipment.Using the above structure it is found that the major function of charging control unit is referred to according to external demand
It enables, relay K1 ... Kn is controlled by charge controller, to switch Kn charging control switch, give corresponding N number of fill in turn
Power port charging.Charging control unit can also be closed internal switch K, realize double source trackless vehicle charge function itself.
As another technical solution of the invention, the charge controller has a charge port more than two, charge port with
DC/DC converter unit matches；System of the invention further includes output select unit, and the output select unit passes through parallel line
DC/DC converter unit outlet side is accessed on road, and selectively control with the energy on-off of charging control unit, and parallel line that
This optionally controls on-off；The on-vehicle battery connects with the outlet side of output select unit.
Further, it is not identical at least to there is part in the power of the DC/DC converter unit；The parallel line passes through control
The matching of switch control DC/DC converter unit and charge port processed, and the energy supply route with on-vehicle battery.
In above-mentioned technical proposal, DC/DC converter unit has muti-piece power module corresponding with charge port, in power mould
Parallel line is connected between block and charge port, and output select unit, the outlet side of output select unit are provided in parallel line
Multiple control switches corresponding with charge port in parallel and internal switch K, charging control unit are single by control output selection
Each control switch for respectively switching in member and being connected with charge port realizes charge port selection.In this way, charging control unit is according to outer
Portion's requirement command is charged by output select unit to corresponding charge port.Charging control unit can also pass through control output choosing
It selects unit and internal switch K realizes double source trackless vehicle charge function itself.Using the above structure, double source trolley bus is connect
Logical gauze switches to the different charging output mode of multichannel using the isolation new control system of DC/DC, gives separate unit or more pure electricity
Dynamic car charges simultaneously.The included isolated DC/DC converter of current double source trolley bus, all has constant pressure and flow invariable power
Output characteristics, but the voltage platform exported can only 1 tunnel, and the present invention is set by the design of DC/DC multimode, new control system
Meter, establishes multiple voltage and current control platforms, is allocated by master controller, ensure that multichannel charge control mode, advantage are bright
It is aobvious.Meanwhile nor affecting on any function of double source trackless vehicle.
The present invention also provides a kind of based on double source trolleybus to the method for Vehicular charging, when double source trolleybus gives more
When pure electric vehicle is charged, there is following three kinds of situations:
One, external more trolleys charge simultaneously
Double source trolleybus do mobile charging stake function in use, first breaking inner switch with the connection of on-vehicle battery (also
It is turned off the high voltage charge circuit of dual-source vehicle itself), n is electrically charged vehicle battery management system and builds with energy management unit EMU
Vertical communication, after energy management unit identification, the voltage and current requirement of the corresponding n charge port of order DC/DC converter unit output,
In, it is closed at the control switch being connected with n charge port, makes n charge port
It obtains electric；During the charging process, charged vehicle battery management system BMS and energy management unit real time communication, and then adjust quilt
The required voltage and current of charging vehicle；In charging complete or the when of being abnormal, disconnects corresponding control switch, cuts rapidly
Deenergizing guarantees charging security；
Two, exterior vehicle separate unit charges
When exterior vehicle charge requirement only has one, matched maximum power can be selected to carry out according to the difference of vehicle electricity
The connection of charging, first breaking inner switch and on-vehicle battery, the exterior vehicle for needing to charge are connected with a charge port, this is outer
The battery management system BMS and energy management unit of portion's vehicle, which are established, to be communicated, and after energy management unit identification, order DC/DC becomes
Unit output voltage electric current is changed, the control switch being connected with the charge port is closed, obtains the charge port electric；During the charging process,
Charged vehicle battery management system and energy management unit real time communication, so adjust the required voltage of charged vehicle and
Electric current；In charging complete or the when of being abnormal, disconnects the control switch, cuts off circuit rapidly and guarantees charging security；
Three, less than the Vehicular charging of n platform
When exterior vehicle charge requirement is greater than 1, is less than n, i.e., when double source trolleybus charges to j platform exterior vehicle, 1 <
J < n, some vehicles need quick charge, the charging of some vehicle single modules.
Further, when double source trolleybus is to j platform Vehicular charging, j platform is electrically charged vehicle battery management system and energy pipe
It manages unit and establishes communication, after energy management unit identification, the voltage electricity of the corresponding j charge port of order DC/DC converter unit output
Stream requires, and is closed at the control switch being connected with j charge port, obtains j charge port electric；Simultaneously with need quick charge vehicle
Connected charge port is assigned biggish power, is assigned lesser function with the charge port for needing single module charging vehicle to be connected
Rate, the general power that assigned the sum of the power of the connected charge port of all charging vehicles exports for DC/DC converter unit.
When double source trolleybus is charged to separate unit pure electric vehicle, there is following two situation:
One, external separate unit Vehicular charging
The connection of breaking inner switch and on-vehicle battery, is filled a charging of single group charge port in vehicle and charge controller
Mouth is connected, and the battery management system and energy management unit of the exterior vehicle, which are established, to be communicated, after energy management unit identifies, order
DC/DC converter unit exports corresponding voltage and current, is closed the control switch being connected with the charging interface, obtains the charge port
Electricity；During the charging process, charged vehicle battery management system and energy management unit, charge controller real time communication, in turn
Adjust the required voltage and current of charged vehicle；In charging complete or the when of being abnormal, disconnects the control switch, rapidly
It cuts off circuit and guarantees charging security；
Two, external more trolleys take turns current charge
The connection of breaking inner switch and on-vehicle battery, all charging interfaces for being electrically charged Che Junyu single group charge port are connected, and i-th
(1≤i≤all filled number of vehicles) is electrically charged the battery management system of vehicle and energy management unit is established and communicated, energy pipe
After managing unit identification, order DC/DC converter unit exports corresponding voltage and current, and closure Ki control switch fills i-th
Electric car charges, and Ki control switch is disconnected after charging complete, continues to be electrically charged vehicle to i+1 and charge, until institute
There is vehicle whole charging complete.
The invention adopts the above technical scheme compared with prior art, and DC grid can be passed through by having following technical effect that
To pure electric car quick charge, not only solves the queuing problem that charges caused by pure charging electric car stake lazy weight, and can be using directly
The trough of galvanic electricity net is powered, and can bring good economic benefit, the time is greatly saved.
Detailed description of the invention
Fig. 1 is double source trolleybus charging schematic diagram of the invention.
Fig. 2 is the structural block diagram of system in the present invention.
Fig. 3 is the schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the systematic schematic diagram in the embodiment of the present invention 2 by taking three power modules as an example.
Fig. 5 is the systematic schematic diagram in the embodiment of the present invention 2 by taking two power modules as an example.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing.
It is a kind of based on double source trolleybus to the system of Vehicular charging, as depicted in figs. 1 and 2, including for obtaining gauze
The Electricity collecting frame of energy has one group for the DC/DC converter unit of transformation energy, the included on-vehicle battery of double source trolleybus
Or the charge controller of multi-set parallel charge port, it is arranged between DC/DC converter unit and charge controller and controls charge port
Energy on-off charging control unit, and carried out by CAN line and Electricity collecting frame, DC/DC converter unit, charging control unit
Signal is connected and adjusts the energy management unit of distribution to charge port power.On-vehicle battery obtains DC/DC by individual route
The energy of converter unit outlet side.Electricity collecting frame can be connected or disconnected with DC grid, i.e., can be controlled by Electricity collecting frame
Switch of the system isolation DC/DC converter (DC/DC converter unit includes several isolation DC/DC converters) with DC grid.Intelligence
The electric energy acquisition of direct current gauze is got off to be supplied to DC/DC converter unit by energy Electricity collecting frame.DC/DC converter unit itself has dual
Isolating power, can be completely isolated with vehicle body by gauze, and back-end circuit is no longer formed into a loop with the earth, brings better safety
Energy.Energy management unit is communicated with charging control unit, after the request for receiving the rechargeable battery of pure electric car, is handled and is fed back
To DC/DC converter unit, DC/DC converter unit exports required voltage and current according to demand, while can also be by the letter of charging
Breath feeds back to entire car controller and instrument board, convenient for observation and record.Charging control unit is released for realizing Insulation monitoring
High pressure in charging module plays the function of guidance charging.
Direct current on gauze is communicated to charge control by Electricity collecting frame, isolation DC/DC converter, charging control unit
The charge port of device.Wherein, EMU energy management unit is established by CAN line and all parts and is communicated.
When being charged using double source trolleybus, double source trolley bus is connected into gauze, charging output mode is switched to, will fill
Electric wire is inserted into the charge port of pure electric coach, can give pure electric coach quick charge by direct current gauze.The present invention not only solves
Determined the queuing problem that charges caused by pure charging electric car stake lazy weight, but can be powered using the trough of gauze, bring it is good
Economic benefits.At present.The included isolated DC/DC converter of double source trolley bus, it is special all to have constant pressure and flow constant power output
Property, pure electric coach charging requirement can be met simply by the presence of the place of direct current gauze, can be rated as mobile charging pile.
The present invention also provides a kind of based on double source trolleybus to the method for Vehicular charging, specific as follows: when double source trackless
When electric car is charged to more pure electric vehicles, there is following three kinds of situations:
One, outside n trolley charges simultaneously
Double source trolleybus does mobile charging stake function in use, breaking inner switch K(internal switch K first is connected to DC/DC
Between converter unit and on-vehicle battery) with the connection of on-vehicle battery (the namely high-voltage charging electricity of cutting dual-source vehicle itself
Road), n is electrically charged vehicle battery management system BMS and energy management unit EMU and establishes communication, after energy management unit identification, life
DC/DC converter unit is enabled to export the voltage and current requirement of corresponding n charge port, wherein each mould group volume power, which is added, is equal to DC/
DC general power can also be expressed with following formula:, wherein n is mould group number, simultaneously
It is closed the control switch being connected with n charge port, obtains n charge port electric；During the charging process, charged vehicle battery management
System BMS and energy management unit real time communication, and then adjust the required voltage and current of charged vehicle；In charging complete
When or the when of being abnormal disconnect corresponding control switch, rapidly cut off circuit guarantee charging security；
Two, exterior vehicle separate unit charges
When exterior vehicle charge requirement only has one, matched maximum power can be selected to carry out according to the difference of vehicle electricity
Charging, the connection of breaking inner switch K and on-vehicle battery first, the exterior vehicle for needing to charge are connected with a charge port, should
The battery management system BMS and energy management unit of exterior vehicle, which are established, to be communicated, and after energy management unit identification, orders DC/DC
Converter unit output voltage electric current is closed the control switch being connected with the charge port, obtains the charge port electric；In charging process
In, charged vehicle battery management system and energy management unit real time communication, and then adjust the required electricity of charged vehicle
Pressure and electric current；In charging complete or the when of being abnormal, disconnects the control switch, cuts off circuit rapidly and guarantees charging security；
Three, less than the Vehicular charging of n platform
When exterior vehicle charge requirement is greater than 1, is less than n, i.e., when double source trolleybus charges to j platform exterior vehicle, 1 <
J < n, some vehicles need quick charge, the charging of some vehicle single modules.When double source trolleybus is to j platform Vehicular charging, first
The connection (namely cutting off the high voltage charge circuit of dual-source vehicle itself) of breaking inner switch K and on-vehicle battery, j platform is electrically charged
Vehicle battery management system BMS and energy management unit EMU, which is established, to be communicated, and after energy management unit identification, order DC/DC transformation is single
The voltage and current requirement of the corresponding j charge port of member output, is closed at the control switch being connected with j charge port, makes j charging
Mouth obtains electric.The output power of each charge port is allocated according to vehicle demand is filled.It is connected with quick charge vehicle is needed
Charge port is assigned biggish power, is assigned lesser power with the charge port for needing single module charging vehicle to be connected, and owns
The general power that assigned the sum of the power of the connected charge port of charging vehicle exports for DC/DC converter unit.
When double source trolleybus is charged to separate unit pure electric vehicle, there is following two situation:
One, external separate unit Vehicular charging
The connection of breaking inner switch and on-vehicle battery, is filled a charging of single group charge port in vehicle and charge controller
Mouth is connected, and the battery management system and energy management unit of the exterior vehicle, which are established, to be communicated, after energy management unit identifies, order
DC/DC converter unit exports corresponding voltage and current, is closed the control switch being connected with the charging interface, obtains the charge port
Electricity；During the charging process, charged vehicle battery management system and energy management unit, charge controller real time communication, in turn
Adjust the required voltage and current of charged vehicle；In charging complete or the when of being abnormal, disconnects the control switch, rapidly
It cuts off circuit and guarantees charging security；
Two, external more trolleys take turns current charge
The connection of breaking inner switch and on-vehicle battery, all charging interfaces for being electrically charged Che Junyu single group charge port are connected, and i-th
(1≤i≤all filled number of vehicles) is electrically charged the battery management system of vehicle and energy management unit is established and communicated, energy pipe
After managing unit identification, order DC/DC converter unit exports corresponding voltage and current, and closure Ki control switch fills i-th
Electric car charges, and Ki control switch is disconnected after charging complete, continues to be electrically charged vehicle to i+1 and charge, until institute
There is vehicle whole charging complete.
Embodiment 1
The charge controller of the present embodiment has single group charge port, and every group of charge port can have multiple, the N ... that is denoted as 1,2 respectively ....Its
In, charge port provides auxiliary energy by the energy from a DC/DC converter unit outlet side.Part is converted from DC/DC
The energy of unit outlet side is converted into suitable voltage by power adapter and is optionally provided to charge port.Power supply conversion
There is control switch, control switch is connect with charging control unit and/or energy management unit by signal between device and charge port
It is logical.Power adapter and on-vehicle battery are incorporated to by common route to DC/DC converter unit outlet side.In detail, vehicle mounted electric
There is internal switch K, internal switch K and charging control unit and/or energy management between pond and DC/DC converter unit outlet side
Unit is connected by signal.Direct current on gauze is converted to controllable direct current by DC/DC converter unit, and according to receiving
Requirement command be set as constant voltage mode, constant current mode, constant power mode give late-class circuit provide Vehicular charging.DC/DC transformation
Unit itself has dual resisteance ability, and gauze is completely isolated with vehicle body, and back-end circuit is no longer formed into a loop with the earth, brings
Better security performance.Charging control unit tool is to realize Insulation monitoring there are two effect, an effect, charging module of releasing
Interior high pressure, guidance charging (general), major function is instructed according to external demand, by charge controller, controls charge switch
K1 ... Kn ... is disconnected and is closed to switch at least N number of control switch, to corresponding at least N number of charge port charging；Another effect
It is closure internal switch K, realizes double source trackless vehicle charge function itself.
As shown in figure 3, charge controller is connected with control switch Kn, power adapter respectively by taking charge port N as an example, control
The input side of switch Kn is made through the outlet side of leadage circuit connection DC/DC converting unit, outlet side connects charge port N, charge port N
It is connected by signal wire with charge controller.Power adapter includes 24V accessory power supply and accessory power supply switch, 24V auxiliary electricity
Source and internal switch K are incorporated to the outlet side of DC/DC converting unit by common route, and 24V accessory power supply is also through accessory power supply
Switch is connect with charge port N.The outlet side of internal switch K connects on-vehicle battery.In addition, in the outlet side of DC/DC converting unit
Insulation detection device IMD is connected between leadage circuit, insulation detection device IMD, charge port N are with connecing equipment.
The specific route of the present embodiment is as follows:
Double source trackless vehicle self-charging route: by being closed charging control unit internal switch K, isolation DC/DC converter unit is simultaneously
General power is exported, realizes the function that dual-source vehicle itself has.Direct current on gauze by Electricity collecting frame, DC/DC converter unit,
On-vehicle battery, wherein EMU energy management unit is established by CAN and all parts and is communicated, and is charged to cell safety.
External separate unit Vehicular charging route (by taking charge port 1 as an example): mobile charging stake function is being done in use, disconnecting charging
Control unit internal switch K is communicated, EMU energy pipe by the vehicle battery BMS that is electrically charged of power adapter and the 1st charge port
After managing unit identification matching, it is desirable that DC/DC converter unit exports corresponding voltage and current requirement and then opens control switch
K1 is rationally charged, and the online direct current of AC line passes through Electricity collecting frame, DC/DC converter unit, charging control unit, is communicated to
Charge port, during the charging process charging control unit, EMU energy management unit and charged vehicle real time communication, and then adjustment
The required voltage and current of charged vehicle.In charging complete or the when of being abnormal disconnect charging control unit inside after
Electric appliance K1 disconnects control switch K1 to cut off circuit rapidly and guarantees charging security.Power adapter can be provided to whole system
24V power supply prevents the A-battery in charging from electric deficiency phenomenon occurs.
External n-th trolley charges route in turn: first or disconnecting charging control unit internal switch K, EMU energy pipe
After reason unit is by being electrically charged vehicle communication identification with n-th, opens control switch Kn and charge to the n-th trolley.It is charging
After charging control unit disconnects control switch Kn after the completion, continue to be closed control switch Kn+1, to external (n+1)th trolley into
Row charging, until all vehicle whole charging completes.
Embodiment 2
The charge controller of the present embodiment has charge port more than two, the DC/DC converter unit to match with charge port.This
The system of embodiment further includes output select unit, and output select unit accesses DC/DC converter unit by parallel line and exports
Side, and the energy on-off with charging control unit is selectively controlled, and parallel line optionally controls on-off each other.Vehicle
Battery is carried to connect with the outlet side of output select unit.It is not identical at least to there is part in the power of DC/DC converter unit.Parallel line
Road controls the matching of DC/DC converter unit and charge port, and the energy supply route with on-vehicle battery by control switch.Tool
Body, DC/DC converter unit has muti-piece power module corresponding with charge port, connects between power module and charge port
Parallel line is provided with an output select unit, the outlet side of output select unit multiple and charge port in parallel in parallel line
Corresponding control switch and internal switch K, charging control unit by control output select unit in switch and with
The connected each control switch of charge port realizes charge port selection.Charging control unit is instructed according to external demand, is selected by output
Unit is selected to charge to corresponding charge port.Charging control unit can also be real by control output select unit and internal switch K
Existing double source trackless vehicle charge function itself.After double source trolley bus is connected gauze, using the isolation new control system of DC/DC
The different charging output mode of multichannel is switched to, is charged simultaneously to separate unit or more pure electric coach.
The double source trolleybus of the present embodiment is doing mobile charging stake function in use, being charged as with n-th exterior vehicle
Example, the first connection of breaking inner switch K and battery are electrically charged vehicle battery BMS and EMU energy management when n-th charge port
Unit establishes communication, after EMU identification, it is desirable that the voltage and current of corresponding n-th of the charge port of DC/DC master controller output requires (its
In).During the charging process, charged vehicle battery management system BMS and EMU energy
Administrative unit real time communication is measured, and then adjusts the required voltage and current of charged vehicle.In charging complete or occur different
Charging control unit disconnects control switch K1, K2, K3 ... when often, cuts off circuit rapidly and guarantees charging security.
As shown in figure 4, being illustrated by taking three power modules as an example: charge controller has charge port 1,2 and of charge port
The outlet side of three charge ports such as charge port 3, DC/DC converter unit has and the corresponding first power mould of charge port 1,2,3
Three power modules such as block, the second power module and third power module.First is connected between first power module and charge port 1
Route connects the second route, connects third between third power module and charge port 3 between the second power module and charge port 2
Route, first line, the second route, tertiary circuit form parallel line, output unit are selected to include switch K4, switch K5, open
Close K6, switch K7, switch K8.Switch K4, control switch K1 are provided in first line, be provided in the second route switch K6,
Control switch K2, switch K8, control switch K3 are provided in tertiary circuit, and there is switch K4 port a and port b, switch K6 to have
There are port c and port d, switch K8 has port e and port f.The port a of switch K4 is connected with control switch K1, switch K6's
Port d is connected with control switch K2, and the port f of switch K8 is connected with control switch K3, the end of the port b of switch K4, switch K8
Mouth e is both connected in the second route between the second power module and switch K6, and the port c of switch K6 is connected to the end of switch K4
In first line between mouth a and control switch K1, the branch of belt switch K5 is connected between first line and the second route, it should
One end of branch is located at before switch K4, and the other end is located at before switch K8, is connected with band between the second route and tertiary circuit
One end of the branch of switch K7, the branch is located at before switch K6, the other end be located at switch K8 after, before internal switch K, vehicle
It carries on the tertiary circuit before battery is connected to control switch K3 through internal switch K.
As figure 5 illustrates, be illustrated by taking two power modules as an example: charge controller has charge port 1 and charge port 2 etc. two
The outlet side of a charge port, DC/DC converter unit has and charge port 1,2 corresponding first power modules, the second power mould
Two power modules such as block.First line, the second power module and charge port 2 are connected between first power module and charge port 1
Between connect the second route, first line, the second route form parallel line, select output unit include switch K4, switch K6,
Switch K7.It is provided with switch K4, control switch K1 in first line, is provided with switch K6, control switch K2 in the second route, opens
Closing K4, there is port a and port b, switch K6 to have port c and port d.The port a of switch K4 is connected with control switch K1, opens
The port d for closing K6 is connected with control switch K2, and the port b of switch K4 is connected to second between the second power module and switch K6
In route, the port c of switch K6 is connected in the first line between the port a of switch K4 and control switch K1, on-vehicle battery
It is connected on the second route before control switch K2 through internal switch K.
The specific route of the present embodiment is as follows:
One, external three trolleys while charge control method
When charging simultaneously using three charge ports, disconnect switch K5, K7,1 recharge logic of charge port is that switch K4 is beaten to a
Place, is closed control switch K1, and charge port 1 obtains electric；2 recharge logic of charge port is that switch K6 is beaten at d, is closed control switch K2,
Charge port 2 obtains electric；3 recharge logic of charge port is that switch K8 is beaten at f, is closed control switch K3, and charge port 3 obtains electric.
Two, external separate unit Vehicular charging control method
When exterior vehicle demand only has one, matched maximum power can be selected to be filled according to the difference of vehicle electricity
Electricity, wherein premise still wants the connection of first breaking inner switch K and on-vehicle battery.
When charge port 1 charges, switch K4 is beaten at a, and switch K6 is beaten at c, and switch K5 closure, switch K7 is disconnected, opened
Close K8 in set, reclose switch K1, charge port 1 can provide maximum power, by communication interact after, DC/DC converter unit according to
Demand exports (maximum matching DC/DC total power), in charging process, the voltage and current needed for equally adjusting in real time.Charge port 2
When charging, switch K4 is beaten at b, and switch K6 is beaten at d, and switch K5 is disconnected, and switch K7 is disconnected, and switch K8 is beaten at e, and closure is opened
K2 is closed, 2 power of charge port is general power；When charge port 3 charges, sets in switch K4, set in switch K6, switch K5 closure, switch
K7 closure, switch K8 are beaten at f, close the switch K3, and 3 power of charge port is general power；
Three, external two vehicles while charge control method
(1) switch K4 is beaten at a, and switch K5 is disconnected, and switch K6 is beaten at d, and switch K7 is disconnected, and switch K8 is beaten at e, and closure is opened
K1, K2 are closed, 1 power of charge port is the one third of general power, and 2 power of charge port is 2/3rds of general power；
(2) switch K4 is beaten at a, and switch K5 is disconnected, and is set in switch K6, and switch K7 closure, switch K8 is beaten at f, closure switch
K1, K3,1 power of charge port are the one third of general power, and 3 power of charge port is 2/3rds of general power；
(3) switch K4 is beaten at a, and switch K6 is beaten at d, and switch K5 closure, switch K7 is disconnected, and is set in switch K8, closure switch
K1, K2,1 power of charge port are 2/3rds of general power, and 2 power of charge port is the one third of general power；
(4) it is set in switch K4, switch K6 is beaten at d, and switch K5 closure, switch K7 is disconnected, and switch K8 is beaten at f, closure switch
K2, K3,2 power of charge port are the one third of general power, and 3 power of charge port is 2/3rds of general power；
(5) switch K8 is beaten at f, and switch K5 is disconnected, and switch K4 is beaten at a, and switch K7 is disconnected, and switch K6 is beaten at c, and closure is opened
K1, K3 are closed, 1 power of charge port is 2/3rds of general power, and 3 power of charge port is the one third of general power；
(6) switch K8 is beaten at f, and switch K5 is disconnected, and switch K4 is beaten at b, and switch K7 is disconnected, and switch K6 is beaten at d, and closure is opened
K2, K3 are closed, 2 power of charge port is 2/3rds of general power, and 3 power of charge port is the one third of general power.
In actual condition, the power of each charge port may also be different.DC/DC converter unit can be according to the demand received
Instruction is set as constant voltage mode, constant current mode, constant power mode and provides multiple module energies to late-class circuit.In this way, DC/DC becomes
Voltage and current needed for changing unit and can exporting according to demand one or more charging platform.In addition, double source trolleybus self-charging
When, charging control unit controls internal switch K closure, realizes the charge function that double source trolleybus itself has.
According to market survey, the domestic charging expense for charging pile is usually to be made of basic charge as per installed capacity and service charge at present
, total price is about between 1.8 yuan~2.0 yuan, and can save service fee using the electricity consumption of double source trackless vehicle gauze, and reduction is filled
Electric cost.
The problem of the technical problem to be solved by the present invention is to charging pile construction complexity and higher operating costss, present invention benefit
The characteristics of capable of being taken electricity from gauze with trolleybus and can store electric energy, makes it by changing the circuit structure of trolleybus
It can charge for common pure electric vehicle, the entity charging pile for avoiding construction fixed, but also service charge will not be generated
With reduction electric energy use cost.
The above, the only specific embodiment in the present invention, but scope of protection of the present invention is not limited thereto, appoints
What is familiar with the people of the technology within the technical scope disclosed by the invention, it will be appreciated that expects transforms or replaces, and should all cover
Within scope of the invention, therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.
Claims (10)
1. a kind of be used for the system of Vehicular charging including the Electricity collecting frame for obtaining gauze energy based on double source trolleybus
The included on-vehicle battery of the DC/DC converter unit and double source trolleybus of transformation energy, which is characterized in that further include:
Charge controller, with one or more groups of parallel charge ports；
Charging control unit is arranged between DC/DC converter unit and charge controller, to control the energy on-off of charge port；
Energy management unit carries out signal connection by CAN line and Electricity collecting frame, DC/DC converter unit, charging control unit, adjusts
It is whole to distribute to the power of charge port；
The on-vehicle battery obtains the energy of DC/DC converter unit outlet side by individual route.
2. according to claim 1 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that it is described to fill
Electric controller has single group charge port, and the charge port is provided auxiliary by the energy from a DC/DC converter unit outlet side
Help energy.
3. according to claim 2 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that part come
Suitable voltage is converted by power adapter from the energy of the DC/DC converter unit outlet side to be optionally provided to
Charge port.
4. according to claim 3 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that the electricity
There is control switch between source converter and the charge port；The control switch and the charging control unit and/or described
Energy management unit is connected by signal.
5. according to claim 3 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that the electricity
Source converter and on-vehicle battery are incorporated to by common route to DC/DC converter unit outlet side.
6. according to claim 1 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that it is described to fill
Electric controller has charge port more than two, and charge port matches with DC/DC converter unit；It further include output select unit,
The output select unit accesses DC/DC converter unit outlet side by parallel line, and selectively control and charge control
The energy on-off of unit, and parallel line optionally controls on-off each other；The on-vehicle battery and output select unit
Outlet side connects.
7. according to claim 6 it is a kind of based on double source trolleybus to the system of Vehicular charging, which is characterized in that it is described
It is not identical at least to there is part in the power of DC/DC converter unit；The parallel line controls DC/DC transformation list by control switch
The matching of member and charge port, and the energy supply route with on-vehicle battery.
8. it is a kind of based on double source trolleybus to the method for Vehicular charging, which is characterized in that when double source trolleybus to more it is pure
When electric vehicle is charged, there is following three kinds of situations:
One, external more trolleys charge simultaneously
The connection of breaking inner switch and on-vehicle battery first, n is electrically charged vehicle battery management system and builds with energy management unit
Vertical communication, after energy management unit identification, the voltage and current requirement of the corresponding n charge port of order DC/DC converter unit output, together
When be closed the control switch that is connected with n charge port, obtain n charge port electric；During the charging process, charged vehicle cell tube
Reason system and energy management unit real time communication, and then adjust the required voltage and current of charged vehicle；In charging complete
When or the when of being abnormal disconnect corresponding control switch, rapidly cut off circuit guarantee charging security；
Two, exterior vehicle separate unit charges
When exterior vehicle charge requirement only has one, matched maximum power can be selected to carry out according to the difference of vehicle electricity
The connection of charging, first breaking inner switch and on-vehicle battery, the exterior vehicle for needing to charge are connected with a charge port, this is outer
The battery management system and energy management unit of portion's vehicle, which are established, to be communicated, and after energy management unit identification, order DC/DC transformation is single
First output voltage electric current is closed the control switch being connected with the charge port, obtains the charge port electric；During the charging process, it is filled
Electric car battery management system and energy management unit real time communication, and then adjust the required voltage of charged vehicle and electricity
Stream；In charging complete or the when of being abnormal, disconnects the control switch, cuts off circuit rapidly and guarantees charging security；
Three, less than the Vehicular charging of n platform
When exterior vehicle charge requirement is greater than 1, is less than n, i.e., when double source trolleybus charges to j platform exterior vehicle, 1 <
J < n, some vehicles need quick charge, the charging of some vehicle single modules.
9. it is a kind of based on double source trolleybus to the method for Vehicular charging, which is characterized in that when double source trolleybus is pure to separate unit
When electric vehicle is charged, there is following two situation:
One, external separate unit Vehicular charging
The connection of breaking inner switch and on-vehicle battery, is filled a charging of single group charge port in vehicle and charge controller
Mouth is connected, and the battery management system and energy management unit of the exterior vehicle, which are established, to be communicated, after energy management unit identifies, order
DC/DC converter unit exports corresponding voltage and current, is closed the control switch being connected with the charging interface, obtains the charge port
Electricity；During the charging process, charged vehicle battery management system and energy management unit, charge controller real time communication, in turn
Adjust the required voltage and current of charged vehicle；In charging complete or the when of being abnormal, disconnects the control switch, rapidly
It cuts off circuit and guarantees charging security；
Two, external more trolleys take turns current charge
The connection of breaking inner switch and on-vehicle battery, all charging interfaces for being electrically charged Che Junyu single group charge port are connected, and i-th
The battery management system and energy management unit for being electrically charged vehicle, which are established, to be communicated, and after energy management unit identification, order DC/DC becomes
It changes unit and exports corresponding voltage and current, closure Ki control switch is electrically charged vehicle to i-th and charges, breaks after charging complete
Ki control switch is opened, continues to be electrically charged vehicle to i+1 and charge, until all vehicle whole charging completes.
10. according to claim 8 it is a kind of based on double source trolleybus to the method for Vehicular charging, which is characterized in that double source
When trolleybus is to j platform Vehicular charging, j platform is electrically charged vehicle battery management system and energy management unit is established and communicated, energy pipe
After managing unit identification, the voltage and current requirement of the corresponding j charge port of order DC/DC converter unit output is closed at and fills with j
The connected control switch of power port, obtains j charge port electric；Simultaneously with the charge port for needing quick charge vehicle to be connected it is assigned compared with
Big power is assigned lesser power with the charge port for needing single module charging vehicle to be connected, what all charging vehicles were connected
The general power that the sum of assigned power of charge port exports for DC/DC converter unit.
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