CN205220414U - Electricity mixes electric automobile power supply system based on fuel cell - Google Patents

Electricity mixes electric automobile power supply system based on fuel cell Download PDF

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Publication number
CN205220414U
CN205220414U CN201521092335.7U CN201521092335U CN205220414U CN 205220414 U CN205220414 U CN 205220414U CN 201521092335 U CN201521092335 U CN 201521092335U CN 205220414 U CN205220414 U CN 205220414U
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China
Prior art keywords
fuel cell
rechargeable battery
electricity
conv
unit
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Expired - Fee Related
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CN201521092335.7U
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Chinese (zh)
Inventor
杨铮
彭思成
徐业琰
廖清芬
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Wuhan University WHU
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Wuhan University WHU
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    • 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
    • Y02T90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10Technologies relating to charging of electric vehicles
    • Y02T90/16Information or communication technologies improving the operation of electric vehicles

Abstract

The utility model discloses an electricity mixes electric automobile power supply system based on fuel cell. Including battery system, driving system, control system. The battery system includes rechargeable battery powered unit and fuel cell power supply unit, and the rechargeable battery powered unit links to each other with DC link condenser after connecting in parallel with the fuel cell power supply unit. Driving system includes machine controller, driving motor. Control system includes carbone controller and high in the clouds control center. Carbone controller connects rechargeable battery powered unit, fuel cell power supply unit, machine controller, high in the clouds control center respectively. The utility model discloses can prolong the continuation of the journey mileage of car and rechargeable battery's life -span, promote the whole power level of car, effectively utilize the electric energy of repayment when saving the electric automobile braking, freely switch two kinds of battery power supply system's running state through two -layer control system to realize that electric automobile participates in the action in electric power market.

Description

A kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system
Technical field
The utility model relates to electronlmobil electric power system technical field, particularly relates to a kind of electricity based on fuel cell electricity hybrid-electric car electric power system.
Background technology
Pure electric automobile due to its zero-emission, noise is low, structure is simple, energy utilization rate advantages of higher, is the prior development direction of future automobile industry.But the capacity of cell of pure electric automobile and specific energy less than normal, under power during climbing, flying power is poor, and battery pack loss is large, charging duration is long.Be limited to existing distributing net capacity, charging device of electric automobile accesses electric system on a large scale and cannot realize in very long a period of time simultaneously, and during peak of power consumption, the behavior of a large amount of pure electric automobile access distributing net can cause electrical network " Shang Jia peak, peak ".For the variety of problems that pure electric automobile exists at present, the research and development of current various countries emphasis can the hybrid vehicle (pluginhybridelectricvehicle of plug-in, PHEV), but this kind of automobile storage overlaps power system at electrical motor, driving engine two, occupy the large quantity space of car body, engine combustion is insufficient simultaneously also equally with fuel-engined vehicle can produce a large amount of pollutantss, and these shortcomings still do not have actv. technological means to go to solve at present.
Compared to pure electric automobile, fuel cell powered vehicle is not directly connected with electrical network, but utilizes vehicle-mounted fuel-cell device to produce electric energy, drives the electric machine rotation of electronlmobil, realizes the direct conversion of chemical energy to electrical energy.The fuel utilization of fuel cell is high, noise is low when polluting and discharge little, work, and the specific energy of battery is high simultaneously, power is large.But conventional fuel cell uses hydrogen to be fuel, and current technological means cannot be produced with lower cost, hydrogen gas storage, thus the cost of hydrogen cell is caused to remain high.And methane fuel cell uses methane as the anode fuel of fuel cell, produce electric energy by redox reaction process.The power vehicle being simultaneously fuel combustion compared to tradition with natural fuels (main component is for methane), the fuel utilization of methane fuel cell is high, energy conversion rate is high, and chemical reaction is abundant, and blowdown is pollution-free, and fuel easily obtains, and has huge market potential.But the electric energy of feedback when fuel cell powered vehicle effectively cannot store and utilize automobile brake, causes certain waste of energy.
Utility model content
The purpose of this utility model proposes a kind of electricity based on fuel cell electricity hybrid-electric car electric power system, the course continuation mileage of automobile can be extended, extend the life-span of vehicle charging battery, promote the overall power level of automobile, effective electric energy utilizing feedback when storing electric vehicle brake, freely switched the running state of two kinds of battery power supply systems by two-layer control system, and realize the behavior that electronlmobil participates in electricity market.
The technical solution of the utility model is:
A kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system, comprise battery system, power system and control system, described battery system comprises rechargeable battery powered unit, fuel cell-powered unit and DCLink cond, described power system comprises electric machine controller, drive motor, and described control system comprises Vehicle Controller and high in the clouds control center;
Described rechargeable battery powered unit comprises charger, rechargeable battery set, Bidirectional up-down die mould DC/DC conv, and described charger is connected with Bidirectional up-down die mould DC/DC conv by rechargeable battery set; Described fuel cell-powered unit comprises vehicle-mounted storage tank, fuel cell unit, unidirectional step-up DC/DC conv, and described vehicle-mounted storage tank is connected with unidirectional step-up DC/DC conv by fuel cell unit; Described rechargeable battery powered unit is connected with DCLink cond with after fuel cell-powered unit parallel connection, described DCLink cond, drive motor are all connected with electric machine controller, and described Vehicle Controller connects rechargeable battery set, Bidirectional up-down die mould DC/DC conv, fuel cell unit, unidirectional step-up DC/DC conv, electric machine controller, high in the clouds control center respectively.
Wherein, what the rechargeable battery set in described rechargeable battery powered unit adopted is lithium cell group.
Wherein, what the fuel cell unit in described fuel cell-powered unit adopted is methane fuel cell group.
Wherein, described Vehicle Controller and high in the clouds control center carry out data transmission by the mode of radio communication.
Wherein, DCLink cond is accessed after the mouth of described Bidirectional up-down die mould DC/DC conv and the mouth parallel connection of unidirectional step-up DC/DC conv.
Compared with prior art, the beneficial effects of the utility model are:
The utility model utilizes the electricity electricity mixed mode of fuel cell and rechargeable battery, and when vehicle launch, climbing, dual power supply can increase the tractive force of vehicle, improves vehicle performance; When downhill braking, the electric energy of feedback braking can be stored in rechargeable battery set, improves the utilization ratio of electric energy, decreases the frequency of charging electric vehicle, extends course continuation mileage.When automobile insertion charging pile carries out power trade, multi-exchange form can be provided by control system, enhance the electricity market participation of electronlmobil.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system that the utility model embodiment provides.
In figure:
1-battery system, 2-power system, 3-control system, the rechargeable battery powered unit of 4-, 4a-charger, 4b-rechargeable battery set, 4c-Bidirectional up-down die mould DC/DC conv, the fuel cell-powered unit of 5-, the vehicle-mounted storage tank of 5a-, 5b-fuel cell unit, 5c-unidirectional step-up DC/DC conv, 6-DCLink cond, 7a-electric machine controller, 7b-drive motor, 8-high in the clouds control center, 9-Vehicle Controller.
Detailed description of the invention
Describe embodiment of the present utility model with reference to the accompanying drawings in detail below, scheme of the present utility model is described further.This embodiment only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Fig. 1 is the functional block diagram of a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system that the utility model embodiment provides.As shown in Figure 1, the utility model is a kind of electricity based on fuel cell electricity hybrid-electric car electric power system, comprises battery system 1, power system 2, control system 3.
Described battery system 1 comprises rechargeable battery powered unit 4, fuel cell-powered unit 5 and DCLink cond 6, described rechargeable battery powered unit 4 comprises charger 4a, rechargeable battery set 4b, Bidirectional up-down die mould DC/DC conv 4c, described charger 4a are connected with Bidirectional up-down die mould DC/DC conv 4c by rechargeable battery set 4b.Described charger 4a accesses civil power, simultaneously as the electric energy Fabric Interface of electronlmobil and electrical network; Described fuel cell-powered unit 5 comprises vehicle-mounted storage tank 5a, fuel cell unit 5b, unidirectional step-up DC/DC conv 5c, and described vehicle-mounted storage tank 5a is connected with unidirectional step-up DC/DC conv 5c by fuel cell unit 5b.Described vehicle-mounted storage tank 5a is inflated by gas station.Described rechargeable battery powered unit 4 is connected with DCLink cond 6 with after the parallel connection of fuel cell-powered unit 5.
Described power system 2 comprises electric machine controller 7a, drive motor 7b.
Described control system 3 comprises Vehicle Controller 9 and high in the clouds control center 8.
Described Vehicle Controller 9 connects rechargeable battery set 4b, Bidirectional up-down die mould DC/DC conv 4c, fuel cell unit 5b, unidirectional step-up DC/DC conv 5c, electric machine controller 7a, high in the clouds control center 8 respectively, and described DCLink cond 6, drive motor 7b are all connected with electric machine controller 7a.
In the present embodiment, described rechargeable battery set 4b adopts lithium cell group, and described fuel cell unit 5b adopts methane fuel cell group.
Described Vehicle Controller 9 carries out data transmission with high in the clouds control center 8 by the mode of radio communication.
Visible, in the technical program, described rechargeable battery powered unit 4 and fuel cell-powered unit 5 form the battery system 1 of electronlmobil jointly.The output voltage of the fuel cell unit 5b of output voltage in Bidirectional up-down die mould DC/DC conv 4c, described fuel cell-powered unit 5 of the rechargeable battery set 4b in described rechargeable battery powered unit 4 is converted into the magnitude of voltage of formed objects after unidirectional step-up DC/DC conv 5c, and electric energy inputs described power system 2 to drive running car after DCLink cond 6 voltage stabilizing, flat ripple.Described control system 3, according to Comprehensive Control instructions such as running car situation, car owner's instruction, high in the clouds scheduling, carries out reasonable distribution to the energy of rechargeable battery powered unit 4, fuel cell-powered unit 5 liang cover power supply unit.When vehicle launch, climbing, the Vehicle Controller 9 of described control system 3 is by controlling the power of Bidirectional up-down die mould DC/DC conv 4c, unidirectional step-up DC/DC conv 5c two DC/DC convs and rechargeable battery set 4b, fuel cell unit 5b two battery pack, two power supply voltages are powered to vehicle simultaneously, makes climbing power maximum.When vehicle descending, braking, the Vehicle Controller 9 of described control system 3 controls the conducting direction of the Bidirectional up-down die mould DC/DC conv 4c of rechargeable battery powered unit 4, electric energy is flowed to rechargeable battery powered unit 4 by driving the side of motivation 7b, thus reaches the object storing braking generation electric energy.When vehicle insertion electric automobile charging pile carries out power trade, the high in the clouds control center 8 of described control system 3 controls Vehicle Controller 9 by the mode of radio communication, according to Spot Price, electrical network real-time load curve, vehicle electrical energy demands etc., change the conducting form of Bidirectional up-down die mould DC/DC conv 4c, select to draw electric energy from electrical network to charge to rechargeable battery set 4b, utilize the dump energy of rechargeable battery set 4b to obtain income to grid power transmission, utilize fuel cell unit 5b to generate electricity to grid power transmission and obtain the multiple electricity market participation patterns such as income.
As shown in Figure 1, the Bidirectional up-down die mould DC/DC conv 4c mouth in described rechargeable battery powered unit 4 accesses DCLink cond 6 with the unidirectional step-up DC in described fuel cell-powered unit 5/DC conv 5c mouth is in parallel.
Specific embodiment described herein is only to the utility model explanation for example.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.

Claims (5)

1. the electricity of the electricity based on a fuel cell hybrid-electric car electric power system, comprise battery system (1), power system (2) and control system (3), it is characterized in that, described battery system (1) comprises rechargeable battery powered unit (4), fuel cell-powered unit (5) and DCLink cond (6), described power system (2) comprises electric machine controller (7a), drive motor (7b), and described control system (3) comprises Vehicle Controller (9) and high in the clouds control center (8);
Described rechargeable battery powered unit (4) comprises charger (4a), rechargeable battery set (4b), Bidirectional up-down die mould DC/DC conv (4c), and described charger (4a) is connected with Bidirectional up-down die mould DC/DC conv (4c) by rechargeable battery set (4b); Described fuel cell-powered unit (5) comprises vehicle-mounted storage tank (5a), fuel cell unit (5b), unidirectional step-up DC/DC conv (5c), and described vehicle-mounted storage tank (5a) is connected with unidirectional step-up DC/DC conv (5c) by fuel cell unit (5b); Be connected with DCLink cond (6) after described rechargeable battery powered unit (4) is in parallel with fuel cell-powered unit (5), described DCLink cond (6), drive motor (7b) are all connected with electric machine controller (7a), and described Vehicle Controller (9) connects rechargeable battery set (4b), Bidirectional up-down die mould DC/DC conv (4c), fuel cell unit (5b), unidirectional step-up DC/DC conv (5c), electric machine controller (7a), high in the clouds control center (8) respectively.
2. a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system according to claim 1, it is characterized in that, what the rechargeable battery set (4b) in described rechargeable battery powered unit (4) adopted is lithium cell group.
3. a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system according to claim 1, it is characterized in that, what the fuel cell unit (5b) in described fuel cell-powered unit (5) adopted is methane fuel cell group.
4. a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system according to claim 1, it is characterized in that, described Vehicle Controller (9) and high in the clouds control center (8) carry out data transmission by the mode of radio communication.
5. a kind of electricity of the electricity based on fuel cell hybrid-electric car electric power system according to claim 1, it is characterized in that, after the mouth parallel connection of the mouth of described Bidirectional up-down die mould DC/DC conv (4c) and unidirectional step-up DC/DC conv (5c), access DCLink cond (6).
CN201521092335.7U 2015-12-25 2015-12-25 Electricity mixes electric automobile power supply system based on fuel cell Expired - Fee Related CN205220414U (en)

Priority Applications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105966261A (en) * 2016-07-01 2016-09-28 无锡雨德智能物联网科技有限公司 Electric vehicle power supply system capable of changing batteries for power supply
CN108162781A (en) * 2017-12-28 2018-06-15 东莞北京航空航天大学研究院 Dynamical system based on new-energy automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105966261A (en) * 2016-07-01 2016-09-28 无锡雨德智能物联网科技有限公司 Electric vehicle power supply system capable of changing batteries for power supply
CN108162781A (en) * 2017-12-28 2018-06-15 东莞北京航空航天大学研究院 Dynamical system based on new-energy automobile

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160511

Termination date: 20161225