CN204559213U - A kind of electric automobile integration DC charging motor and system - Google Patents

A kind of electric automobile integration DC charging motor and system Download PDF

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Publication number
CN204559213U
CN204559213U CN201520297033.7U CN201520297033U CN204559213U CN 204559213 U CN204559213 U CN 204559213U CN 201520297033 U CN201520297033 U CN 201520297033U CN 204559213 U CN204559213 U CN 204559213U
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CN
China
Prior art keywords
charging
control module
module
charging motor
electric automobile
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Withdrawn - After Issue
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CN201520297033.7U
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Chinese (zh)
Inventor
王立军
杨勇
胡勇
童晓霖
陈嵩
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Shandong Luneng Intelligence Technology Co Ltd
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Shandong Luneng Intelligence Technology Co Ltd
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Abstract

The utility model discloses a kind of electric automobile integration DC charging motor and system, parallel operation contactor is used between unit, be connected successively by each unit bus-bar, form loop, control system is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load; Parallel operation contactor is placed in unit inside, controls its action by unit acquisition control module; Each unit top control module is by the interconnected communication of CAN, and unit busy and malfunction broadcast are uploaded; Each unit charging module CAN can switch to the top control module of power adjustment charger by auxiliary relay intelligence, centralized control.The utility model charger single-machine capacity is little, floor space is little, interior parallel operation work can be organized and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high.

Description

A kind of electric automobile integration DC charging motor and system
Technical field
The utility model relates to a kind of electric automobile integration DC charging motor and system.
Background technology
The crisis of the traditional energy such as oil, coal is constantly deepened, and atmospheric environment constantly worsens, and energy-conservation and reduction of discharging has become the main direction of future automobile technical development.The continuous breakthrough of the lithium ion battery technology such as LiFePO4, modified lithium manganate is the wide prospect of the universal developing of electric automobile.The construction of thing followed electrically-charging equipment just seems particularly important, and the construction of electrically-charging equipment needs good operation mode as support.
Charging station is equipped with small-sized energy storage station in electrical network valley phase energy storage at night, and the Management plan of electrical network peak period power consumption, can realize " peak load shifting " and to enjoy privileges electrovalence policy, and reduction electrical network is born, and creates good economic benefit and social benefit.Consume energy storage station electric energy fast in the electrical network peak period, and allow electric motor car obtain enough electric energy in the short period of time, high power DC charger is essential.But unit high-power charger can be full of electric motor car in the electrical network valley phase at night the short time, cause again the problem that charger utilance at night is low.
With regard to DC charging facility in the market:
Chinese patent CN 103904737 A proposes a kind of one two charging scheme filled, and this scheme can only realize single rifle and export, and wherein when a rifle job, another rifle cannot work;
Two fill and electric energy intelligence sharing of load electric automobile DC charging motor be to upper a kind of charging scheme improve and supplement, rush-harvesting and rush-planting can be realized and work simultaneously.But this scheme needs a large amount of D.C. contactors to realize when power expanding, and cost is higher, and cabinet floor space is larger; Also can only realize rush-harvesting and rush-planting after dilatation to export, single rifle average power is comparatively large, causes the problem that charger utilance at night is low equally.As can be seen here, this charger, in charging station construction, has certain limitation.
So, existing be commercially badly in need of that a kind of single-machine capacity is little, floor space is little, can parallel operation work and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high integrated DC charging motor.
Utility model content
The utility model is in order to solve the problem, propose a kind of electric automobile integration DC charging motor, this device single-machine capacity is little, floor space is little, can parallel operation work and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high, can comparatively perfectly solve a current techniques difficult problem.
To achieve these goals, the utility model adopts following technical scheme:
A kind of electric automobile integration DC charging motor, comprise charger cabinet, a primary heat transport system and control system, a described primary heat transport system and set-up of control system are in charger cabinet;
A described primary heat transport system, comprise circuit breaker, lightning arrester, interchange row, charging module, bus-bar, shunt, fuse, output contactor, DC charging rifle and parallel operation contactor, wherein, circuit breaker and lightning arrester are parallel in the row of interchange, and the row of interchange is connected by charging module with bus-bar, and parallel operation contactor connects on the busbar, and be arranged at outside it, be connected with shunt outside bus-bar, shunt connects fuse, and fuse connects DC charging rifle by output contactor;
The closed shutoff of described control system to parallel operation contactor controls.
Described control system, comprise top control module, front-collection control module, rearmounted acquisition control module, monitoring power supply, accessory power supply, display screen and card reader, wherein, top control module connects display screen, card reader, front-collection control module is connected top control module with rearmounted acquisition control module by CAN, top control module is in the top control module communication of integrated charger, and top control module is also connected with charging module.
Described display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
Described rearmounted acquisition module is connected with direct current energy meter by RS485.
Described bus-bar is connected with relay of releasing, and relay of releasing connects bleeder resistance, falls the capacitance voltage of charging module for controlled discharge.
A kind of electric automobile integration DC charging motor system, comprise multiple integrated DC charging motor, described integrated DC charging motor is connected successively by parallel operation contactor bus-bar, form loop, the control system of each integrated DC charging motor is connected by CAN, control system is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, charging module and the machine top control module are by CAN communication, charging module passes through and connects auxiliary relay normally opened contact, connect with the charging module of adjacent integrated DC charging motor, form CAN communication loop, the top control module of the charger that each charging module is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
Described top control module comprises three tunnel CAN, and first via CAN is responsible for integrated DC charging inter-machine communication and preposition, the rearmounted acquisition control module communication of the machine, and charging module communication is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
The top control module of described top control module connecting integration charger, monitors integrated DC charging motor operating state in real time and uploads business datum.
The interconnected communication of described multiple integrated DC charging motors, each unit top control module adopts the mode of real-time broadcast the machine busy and malfunction to work; Arbitrary unit master control in multiple integrated DC charging motor, can seize bus control right, and in group, other are in idle state unit and carry out power adjustment.
The top control module of described integrated charger is according to the state of BMS to the demand of charging current and each integrated DC charging motor, and the workload demand of response BMS, controls parallel operation contactor and be connected auxiliary relay with charging module, carry out power adjustment.
The beneficial effects of the utility model are:
(1) single-machine capacity is little, floor space is little, interior parallel operation work can be organized and electric energy intelligence sharing of load, power expansion easily realize that cost is low, charging compound mode flexibly, integrated cost is lower, charging module utilance is high;
(2) for the Management plan of charging station construction realization " peak load shifting " provides rational electrically-charging equipment solution;
(3) single-machine capacity and in unit quantity and charging station planning group number flexible and changeable, be applicable to various small-sized, medium-sized and large-scale charging station construction.
Accompanying drawing explanation
Fig. 1 is the interconnected schematic diagram of the utility model group parallel operation;
Fig. 2 is the utility model charger primary system figure;
Fig. 3 is the utility model control system parallel operation communication schematic diagram;
Fig. 4 is the utility model control system unit internal communication schematic diagram.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of electric automobile integration DC charging motor, comprise charger cabinet, a primary heat transport system and control system, a described primary heat transport system and set-up of control system are in charger cabinet;
A primary heat transport system, comprise circuit breaker, lightning arrester, interchange row, charging module, bus-bar, shunt, fuse, output contactor, DC charging rifle and parallel operation contactor, wherein, circuit breaker and lightning arrester are parallel in the row of interchange, and the row of interchange is connected by charging module with bus-bar, and parallel operation contactor connects on the busbar, and be arranged at outside it, be connected with shunt outside bus-bar, shunt connects fuse, and fuse connects DC charging rifle by output contactor;
The closed shutoff of control system to parallel operation contactor controls.
Control system, comprise top control module, front-collection control module, rearmounted acquisition control module, monitoring power supply, accessory power supply, display screen and card reader, wherein, top control module connects display screen, card reader, front-collection control module is connected top control module with rearmounted acquisition control module by CAN, top control module is in the top control module communication of integrated charger, and top control module is also connected with charging module.
Display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
Rearmounted acquisition module is connected with direct current energy meter by RS485.
A kind of electric automobile integration DC charging motor system, comprise multiple integrated DC charging motor, described integrated DC charging motor is connected successively by parallel operation contactor bus-bar, form loop, the control system of each integrated DC charging motor is connected by CAN, control system is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, charging module and the machine top control module are by CAN communication, charging module passes through and connects auxiliary relay normally opened contact, connect with the charging module of adjacent integrated DC charging motor, form CAN communication loop, the top control module of the charger that each charging module is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
Top control module comprises three tunnel CAN, and first via CAN is responsible for integrated DC charging inter-machine communication and preposition, the rearmounted acquisition control module communication of the machine, and charging module communication is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
The top control module of top control module connecting integration charger, monitors integrated DC charging motor operating state in real time and uploads business datum.
The interconnected communication of multiple integrated DC charging motors, each unit top control module adopts the mode of real-time broadcast the machine busy and malfunction to work; Arbitrary unit master control in multiple integrated DC charging motor, can seize bus control right, and in group, other are in idle state unit and carry out power adjustment.
The top control module of integrated charger is according to the state of BMS to the demand of charging current and each integrated DC charging motor, and the workload demand of response BMS, controls parallel operation contactor and be connected auxiliary relay with charging module, carry out power adjustment.
Embodiment one:
For 4 single-machine capacitys for 30KW charger composition group (but be not limited only to 4, can carry out multi-machine parallel connection according to the actual requirements), core technology charger being realized to group's parallel operation work is described.
Between every platform unit bus-bar, use nonpolarity parallel operation contactor to get in touch with successively, form loop, control system turns off to the closed of parallel operation contactor the intelligent parallel operation work controlling to realize charger.DC side major loop components and parts are according to maximum current 250A Selection and Design, and shunt, fuse are placed in outside bus-bar, facilitate direct current collection, direct current energy charging and loop protection.
As shown in Figure 1, when parallel operation contactor is all in off-state, in group, each unit is independently 30KW integrated charger, can 4 work simultaneously; The parallel operation contactor of closed 1# machine, can realize interconnected arbitrary unit 60KW power stage, does not affect 3# machine and 4# machine works alone or interconnected parallel operation work simultaneously; The parallel operation contactor of closed 1# machine and 4# machine, can realize interconnected arbitrary unit 90KW power stage, does not affect 3# machine unit simultaneously and works alone; The parallel operation contactor of closed 1# machine, 2# machine and 4# machine, can realize interconnected arbitrary unit 120KW power stage.Because in group, 4 units are interconnected achieve loop, so charger can with the flexible charging compound mode of 30KW, 60KW, 90KW and 120KW to 4 cars, 3 cars, 2 cars and 1 car in group, can meet charging station uses high-power quick charge to consume energy storage station electric energy in electrical network peak period, shorten the electric motor car charging interval, to realize again in the electrical network low ebb phase at night 4 cars, simultaneously with the power trickle charge of 30KW, improving the utilance of charging module.
As shown in Figure 3, Figure 4, top control module uses 3 tunnel CAN, and first via CAN is responsible for single inter-machine communication and preposition, the rearmounted acquisition control module communication of the machine, and charging module communication is responsible on the second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.Display screen uses parallel port communication, and card reader uses RS232 serial communication, and direct current energy meter and rearmounted acquisition module, by RS485 communication, realize electric energy tariffing.By Ethernet, backstage can realize centralized monitor to group's charger and management.
In group in interconnected communication, each unit top control module adopts the mode of real-time broadcast the machine busy and malfunction to work, and comparatively initiatively patrols and examines response, improves efficiency.Arbitrary unit master control in group, can seize bus control right, and in group, other are in idle state unit and carry out power adjustment, meet the power demand of charging electric vehicle.Simultaneously, support that the charging module CAN communication bus of the unit of also responding power allotment also uses auxiliary relay to switch to the master control of allotment charger by the machine, by the charging module of all allotments of allotment charger centralized control, improve communication efficiency and the simultaneity to the adjustment of charging module electric current and voltage.
Whole DC charging process comprises four-stage: charging handshake phase, parameter configuration stage, charging stage and charging ending phase.In the parameter configuration stage, the utility model charger can according to the state of BMS to each charger of the demand of charging current and group, the workload demand of intelligent response BMS, controls parallel operation contactor and charging module communication auxiliary relay, realize power adjustment.
The charging module of integration DC charging motor passes through CAN communication with corresponding DC charging motor top control module, the charging module of integration DC charging motor passes through and connects auxiliary relay normally opened contact, connect with the charging module of adjacent integrated DC charging motor, form CAN communication loop, the top control module filling DC charging motor that the charging module of each integrated DC charging motor is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control, the top control module that power adjustment fills DC charging motor is 1, 2, 3, 4# charger one of them, refer at this charger carrying out charging operations (inner top control module having oneself of each charger, top control module and the charging module of its correspondence are (being exactly the second tunnel CAN in fact) that have CAN communication to be connected always, CAN between them also can be connected by the CAN of auxiliary relay with other pile bodies), if it needs the charging module allocating other charger correspondence connections, then connect auxiliary relay their CAN is connected, perform the top control module of charging operations pile body, control all charging modules connected.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection range of the present utility model.

Claims (10)

1. an electric automobile integration DC charging motor, it is characterized in that: comprise charger cabinet, a primary heat transport system and control system, a described primary heat transport system and set-up of control system are in charger cabinet;
A described primary heat transport system, comprise circuit breaker, lightning arrester, interchange row, charging module, bus-bar, shunt, fuse, output contactor, DC charging rifle and parallel operation contactor, wherein, circuit breaker and lightning arrester are parallel in the row of interchange, and the row of interchange is connected by charging module with bus-bar, and parallel operation contactor connects on the busbar, and be arranged at outside it, be connected with shunt outside bus-bar, shunt connects fuse, and fuse connects DC charging rifle by output contactor;
The closed shutoff of described control system to parallel operation contactor controls.
2. a kind of electric automobile integration DC charging motor as claimed in claim 1, it is characterized in that: described control system, comprise top control module, front-collection control module, rearmounted acquisition control module, monitoring power supply, accessory power supply, display screen and card reader, wherein, top control module connects display screen, card reader, front-collection control module is connected top control module with rearmounted acquisition control module by CAN, top control module communicates with the top control module of integrated charger, and top control module is also connected with charging module.
3. a kind of electric automobile integration DC charging motor as claimed in claim 2, is characterized in that: described display screen and top control module are by parallel port communication, and card reader and top control module are by RS232 serial communication.
4. a kind of electric automobile integration DC charging motor as claimed in claim 2, is characterized in that: described rearmounted acquisition control module is connected with direct current energy meter by RS485.
5. an electric automobile integration DC charging motor system, it is characterized in that: comprise multiple integrated DC charging motor as claimed in claim 1, described integrated DC charging motor is connected successively by parallel operation contactor bus-bar, form loop, the control system of each integrated DC charging motor is connected by CAN, control system is closed by the shutoff controlling parallel operation contactor and realizes electric energy intelligence sharing of load, charging module and the machine top control module are by CAN communication, charging module passes through and connects auxiliary relay normally opened contact, connect with the charging module of adjacent integrated DC charging motor, form CAN communication loop, the top control module of the charger that each charging module is allocated by auxiliary relay and required power when responding power is allocated is connected, by its centralized control.
6. a kind of electric automobile integration DC charging motor system as claimed in claim 5, it is characterized in that: described top control module comprises three tunnel CAN, first via CAN is responsible for integrated DC charging inter-machine communication and preposition, the rearmounted acquisition control module communication of the machine, charging module communication is responsible on second tunnel, and electric automobile BMS communication is responsible on the 3rd tunnel.
7. a kind of electric automobile integration DC charging motor system as claimed in claim 5, is characterized in that: the top control module of described top control module connecting integration charger, monitors integrated DC charging motor operating state in real time and uploading data.
8. a kind of electric automobile integration DC charging motor system as claimed in claim 5, is characterized in that: the interconnected communication of described multiple integrated DC charging motors, each top control module real-time broadcast the machine busy and malfunction.
9. a kind of electric automobile integration DC charging motor system as claimed in claim 5, it is characterized in that: the arbitrary unit master control in described multiple integrated DC charging motor, seize bus control right, the integrated DC charging motor being in idle state to other carries out power adjustment.
10. a kind of electric automobile integration DC charging motor system as claimed in claim 5, it is characterized in that: described charger system is according to the state of BMS to the demand of charging current and each integrated DC charging motor, the workload demand of response BMS, control parallel operation contactor and be connected auxiliary relay with charging module communication, carry out power adjustment.
CN201520297033.7U 2015-05-08 2015-05-08 A kind of electric automobile integration DC charging motor and system Withdrawn - After Issue CN204559213U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104795877A (en) * 2015-05-08 2015-07-22 山东鲁能智能技术有限公司 Electric automobile integrated direct-current charger, system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104795877A (en) * 2015-05-08 2015-07-22 山东鲁能智能技术有限公司 Electric automobile integrated direct-current charger, system and method
CN104795877B (en) * 2015-05-08 2017-07-18 山东鲁能智能技术有限公司 Electric automobile integration DC charging motor, system and method

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Granted publication date: 20150812

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