CN104882920B - A kind of double source trolleybus vehicular energy charge control method - Google Patents
A kind of double source trolleybus vehicular energy charge control method Download PDFInfo
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- CN104882920B CN104882920B CN201510222628.0A CN201510222628A CN104882920B CN 104882920 B CN104882920 B CN 104882920B CN 201510222628 A CN201510222628 A CN 201510222628A CN 104882920 B CN104882920 B CN 104882920B
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- electric car
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a kind of double source trolleybus vehicular energy charge control method, the power supply gauze of trolleybus is divided into several traffic coverages, each traffic coverage is made up of insulating segment and power-feed section adjacent thereto, the distributing point of power-feed section connects power network by wire, electric car is in each interval running, in the setpoint distance of distributing point, gauze is to the size of vehicular energy charging current and the distance dependent of electric car and distributing point in corresponding traffic coverage：The distance of electric car and distributing point is bigger, and the charging current is smaller.The control method of the present invention controls the charging current value of vehicle power to reduce with the increase of electric car and distributing point distance by rationally utilizing netting twine facility, i.e., when current-collector is near from distributing point, to vehicular energy progress large current charge；When current-collector is away from distributing point, low current charge is carried out to vehicular energy or is not charged.This method rationally can efficiently utilize gauze facility, make gauze internal resistance loss reduction by more than 50%.
Description
Technical field
The present invention relates to a kind of double source trolleybus vehicular energy charge control method.
Background technology
Pure electric coach applies electric drive technology, meets the demand of energy-conserving and environment-protective, but continual mileage is short, high capacity cell
Its development is constrained with the capital construction cost of charging station.And trolleybus can realize the linked network pure motor driving of vehicle, but to line
The dependence of net is strong, it is impossible to which off-grid operation equally restricts its development.Therefore, by the gauze energy or other energy and pure electronic electricity
The double source trackless pure electric vehicle that the pond energy is combined receives much concern.Double source trolleybus can depart from trolleybus power network traveling,
It is driven without overhead line barrier section using vehicle power, while being vehicle power charging supplement car in time using onboard charger
Carry the energy that power supply is consumed；And in the section for having built on stilts gauze, be further continued for using gauze electricity traveling.The main characteristics of this car
As long as being that trolley pole contacts power network, vehicle power begins to automatic charging, without especially being charged again to vehicle power, you can
To be charged in operation with power network, the problems such as solving the charging interval length of pure electric vehicle, change electric trouble, it is not required that set up and fill
Electric stake, it is time saving and energy saving, it also a saving cost.
Double source trolleybus is to install vehicular energy additional on the basis of traditional trolleybus, realizes hanging wire charging and off-line
Traveling, the existing charging modes to vehicular energy be double source pure electric coach trolley pole hanging wire after, if detecting vehicular energy
SOC value less than setting charge value, then give vehicular energy charging automatically, the size of its charging current is generally according to conventional charging
Mode is carried out, i.e., when first using high current constant-current charge to certain value, then carries out trickle charge with low current,.The charging strategy
Scheme is simple, be easily achieved, but because of the objective reality of the gauze characteristic such as gauze internal resistance and insulating segment, when from distributing point farther out such as
Fruit still uses high current constant-current charge, and it is higher to will result in gauze electric energy loss, wastes electric energy.
The content of the invention
It is an object of the invention to provide a kind of double source trolleybus vehicular energy charge control method, to solve existing control
Mode is the problem of electric energy loss is higher caused by the gauze characteristic such as gauze internal resistance and insulating segment.In order to realize the above object this hair
Bright used technical scheme is：A kind of double source trolleybus vehicular energy charge control method, the power supply gauze of trolleybus
It is divided into several traffic coverages, each traffic coverage is by the insulating segment and the power-feed section that can be powered adjacent thereto that can not power
Constitute, the distributing point of the power-feed section connects power network by wire, electric car is in each interval running, close to feed
In the setpoint distance of point, gauze is to the size of vehicular energy charging current and the distance of electric car and distributing point in corresponding traffic coverage
It is relevant：The distance of electric car and distributing point is bigger, and the charging current is smaller.
Electric car is in each interval running, and the charging current value is with the increase of electric car and distributing point distance
It is gradually reduced with the trend of linear change.
Electric car in the process of running, when it is by the insulating segment of each traffic coverage, simultaneously sentence by vehicle collection insulating signal
The traffic coverage that disconnected vehicle is currently located.
Electric car in the process of running, gathers speed information in real time, after calculating electric car by correspondence traffic coverage insulating segment
The distance of traveling, the distance of the distance as electric car and distributing point.
Electric car in the process of running, determined by way of GPS location traffic coverage and electric car that electric car is currently located with
The distance of distributing point.
Double source trolleybus vehicular energy charge control method of the present invention uses intelligent charge strategy, by rationally utilizing net
Line facility, active control vehicle electricity consumption controls the charging current value of vehicle power with current-collector and the distributing point of the traffic coverage
The increase of distance and be gradually reduced, i.e., when current-collector is near from distributing point, gauze internal resistance is small, and electric energy loss is low, entire car controller pair
Vehicular energy carries out large current charge；When current-collector is away from distributing point, gauze internal resistance is big, and entire car controller enters to vehicular energy
Row low current charge does not charge, so as to reduce gauze internal resistance consumption.This method is by implementing intelligent charge strategy, Neng Gouhe
Reason efficiently utilizes gauze facility, makes gauze internal resistance loss reduction by more than 50%.
Brief description of the drawings
Fig. 1 is the schematic diagram of double source trolleybus vehicular energy charge control method of the present invention；
Fig. 2 is schematic diagram of the charging current with the variation tendency of distance；
Fig. 3 is another schematic diagram of the charging current with distance change trend.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described further specific embodiment.
Embodiment 1
The invention provides a kind of double source trolleybus vehicular energy charge control method, the control principle of this method is such as
Under：The power supply gauze of trolleybus is divided into several traffic coverages, and each traffic coverage is by the insulating segment that can not power and therewith
The adjacent power-feed section that can be powered is constituted, and the distributing point of the power-feed section connects power network by wire, and electric car is in each interval
Running in, in the setpoint distance of distributing point, gauze is run to the size of vehicular energy charging current with corresponding
The distance dependent of electric car and distributing point in interval：The distance of electric car and distributing point is bigger, and the charging current is smaller.
Embodiment 2
It is the schematic diagram of double source trolleybus vehicular energy charge control method embodiment of the present invention as shown in Figure 1, by scheming
Understand, insulating segment i and length adjacent thereto are S1Power-feed section constitute i-th of traffic coverage, therewith insulating segment i+1 and phase
Adjacent length is S2Power-feed section constitute i+1 traffic coverage, insulating segment i+2 and latter power-feed section adjacent thereto are constituted
The i-th+2 traffic coverages, insulating segment i+3 and latter power-feed section adjacent thereto constitute the i-th+3 traffic coverages ... ... according to
It is secondary to analogize, wherein, the distributing point of each traffic coverage (can also be set positioned at the original position of correspondence power-feed section in the present embodiment
In other positions).In addition, in actual railroad embankment, the length S between insulating segmentForIt is fixed in advance, i.e. S1、S2Etc. being
Constant.
As shown in Fig. 2 in each traffic coverage, the charging current value of vehicle power is with the feedback of electric car and the traffic coverage
Electricity is put the increase of distance and is gradually reduced with the trend of linear change, wherein, the charging current value I at distributing point is maximum
I0, as the distributing point of current-collector and the traffic coverage is apart from S increase, charging current value I constantly reduces, when S reaches setting
Apart from S0When, charging current is minimum, it may even go so far that being directly reduced to 0.It is intersegmental apart from S according to two insulationForAnd calculate
The S gone out, sets up current coefficient k (0≤k≤1) controls charging current, i.e. k=f (s, sFor), adjustment charging is continually changing according to S
Electric current, the control signal of charging current is sent from entire car controller to collection electric controller.
Due to each traffic coverage power-feed section SForLength be possible to incomplete same, then each traffic coverage is corresponding
Setpoint distance S0It can be adjusted according to actual conditions.Certainly, setpoint distance S here0It can also be carried out using linear mode
Setting, i.e. S0Meet S0/SFor=A condition, wherein, A is 0 ＜ A ＜ 1 definite value, thus according to each traffic coverage SForReality
It is worth to random setting value S0。
Embodiment 3
As shown in figure 3, the present embodiment in place of the difference of embodiment 2 with being the charging current value of vehicle power with current-collector
From correspondence traffic coverage distributing point distance increase and reduce trend it is different, embodiment 1 is linear change, and the present embodiment be with
Stair-stepping variation tendency is gradually reduced.Fig. 3 show three layers of hierarchic structure change curve, i.e., when current-collector and the Operational Zone
Between the ＜ S ＜ S of distributing point actual range 0aWhen, vehicle power is with constant current value IaCharged, work as Sa＜ S ＜ SbWhen, it is vehicle-mounted
Power supply is with constant current value IbCharged, work as Sb＜ S ＜ ScWhen, vehicle power is with constant current value IcCharged.Certainly,
Here the number of plies of hierarchic structure is not changeless, can be adjusted according to actual conditions, and the number of plies can also may be used with more
To be two layers；In addition, the number of plies of each traffic coverage can be the same or different, just differ a citing herein
Illustrate.
Further, because the premise of control method of the present invention is it needs to be determined that vehicle is actually located in the process of running
Traffic coverage and correspondence traffic coverage residing for physical location, because specific real-time mode is varied, have herein
Body provides two kinds and illustrated.
Embodiment 4
First way：Electric car in the process of running, when electric car current-collector by correspondence traffic coverage insulating segment when, by collecting
Electric controller gathers insulating signal, and insulation alarm is sent to entire car controller.Entire car controller is received after insulation segment signal, automatically
Count, so as to judge the traffic coverage that vehicle is currently located.Vehicle is believed according to the speed gathered in real time in the process of running simultaneously
Breath, vehicle is calculated by the distance that travels after correspondence traffic coverage insulating segment by formula ∫ Vdt=S, the distance as electric car and
The distributing point distance of the traffic coverage.
Embodiment 5
The second way：In electric car along along travel direction running, the GPS module that can be configured by vehicle is true in real time
Determine the physical location of vehicle, i.e., traffic coverage and electric car and the Operational Zone that electric car is currently located are determined in the way of GPS location
Between distributing point real-time range.
Embodiment 6
The third mode：Electric car gathers speed in real time in the process of moving, calculates vehicle from bringing into operation to current time
Actual range ability, then subtract the distance of the traffic coverage passed through, you can obtain electric car and be presently in traffic coverage and institute
Locate real time position.
Certainly, know that the mode of current traffic coverage and physical location is more than several above, do not enumerate here.
It should be noted that：Charging current cited by the present invention is with distance between electric car and distributing point with linear or rank
The situation of scalariform change, is the distance on the premise of vehicular energy charging modes are not considered, in actual motion and charging process
In, the actual charging modes of vehicular energy can be taken into account, i.e., when SOC value is relatively low, still be charged with larger current, still
The Long-term change trend for increasing with distance and reducing that its charging current value is still previously mentioned with the present invention, certain reduction trend is not limited to
Aforesaid way, it would however also be possible to employ with the variation pattern of quadratic function downward trend, these are required for considering actual conditions, similar change
Change all within the scope of the present invention.
Above example is only used for the core concept for helping to understand the present invention, it is impossible to the present invention is limited with this, for ability
The technical staff in domain, every thought according to the present invention is modified or equivalent substitution to the present invention, in embodiment
And any change done in application, it should be included in the scope of the protection.
Claims (5)
1. a kind of double source trolleybus vehicular energy charge control method, the power supply gauze of trolleybus is divided into several Operational Zones
Between, each traffic coverage is made up of the insulating segment and the power-feed section that can be powered adjacent thereto that can not be powered, the power-feed section
Distributing point power network is connected by wire, it is characterised in that：Electric car is in each interval running, close to distributing point
In setpoint distance, gauze has to the size of vehicular energy charging current with the distance of electric car and distributing point in corresponding traffic coverage
Close：The distance of electric car and distributing point is bigger, and the charging current is smaller；It is intersegmental apart from S according to two insulationForAnd calculate
S, set up current coefficient k control charging current, wherein k=f (s, sFor), 0≤k≤1, S is current-collector and corresponding traffic coverage
The distance of distributing point.
2. double source trolleybus vehicular energy charge control method according to claim 1, it is characterised in that：Electric car is every
In individual interval running, the charging current value is with the increase of electric car and distributing point distance with the trend of linear change
It is gradually reduced.
3. double source trolleybus vehicular energy charge control method according to claim 1 or 2, it is characterised in that：Electric car
In the process of running, when it is by the insulating segment of each traffic coverage, vehicle collection insulating signal simultaneously judges the current institute of vehicle
Traffic coverage.
4. double source trolleybus vehicular energy charge control method according to claim 3, it is characterised in that：Electric car is in fortune
During row, speed information is gathered in real time, is calculated electric car and is passed through the distance travelled after correspondence traffic coverage insulating segment, the distance
The as distance of electric car and distributing point.
5. double source trolleybus vehicular energy charge control method according to claim 1 or 2, it is characterised in that：Electric car
In the process of running, the distance of traffic coverage that electric car is currently located and electric car and distributing point is determined by way of GPS location.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510222628.0A CN104882920B (en) | 2015-05-04 | 2015-05-04 | A kind of double source trolleybus vehicular energy charge control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510222628.0A CN104882920B (en) | 2015-05-04 | 2015-05-04 | A kind of double source trolleybus vehicular energy charge control method |
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| CN104882920A CN104882920A (en) | 2015-09-02 |
| CN104882920B true CN104882920B (en) | 2017-07-28 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111404244B (en) * | 2020-06-04 | 2021-02-26 | 恒大智慧充电科技有限公司 | Method, system, computer device and readable storage medium for reducing charging loss |
| CN113002326B (en) * | 2021-04-16 | 2022-12-20 | 上海申沃客车有限公司 | Electric energy management method for double-source trolley bus during network charging |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1134422A1 (en) * | 1983-07-29 | 1985-01-15 | Локомотивное Депо Лобня Московско-Рижского Отделения Московской Железной Дороги | Device for recording static pressure characteristic of current collector |
| SE469887B (en) * | 1989-10-25 | 1993-10-04 | Bertil Ingemar Blomstergren Me | Electric vehicle network |
| CN2460365Y (en) * | 2000-07-06 | 2001-11-21 | 钱致疆 | Trolley bus using accumulator and gas fuel generator |
| JP2009243422A (en) * | 2008-03-31 | 2009-10-22 | Toyota Motor Corp | Automatic stop control device of internal combustion engine |
| CN103192724A (en) * | 2013-03-26 | 2013-07-10 | 郑州宇通客车股份有限公司 | Trolley bus power system and power-grid-connected operation method and power-grid-free operation method thereof |
-
2015
- 2015-05-04 CN CN201510222628.0A patent/CN104882920B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1134422A1 (en) * | 1983-07-29 | 1985-01-15 | Локомотивное Депо Лобня Московско-Рижского Отделения Московской Железной Дороги | Device for recording static pressure characteristic of current collector |
| SE469887B (en) * | 1989-10-25 | 1993-10-04 | Bertil Ingemar Blomstergren Me | Electric vehicle network |
| CN2460365Y (en) * | 2000-07-06 | 2001-11-21 | 钱致疆 | Trolley bus using accumulator and gas fuel generator |
| JP2009243422A (en) * | 2008-03-31 | 2009-10-22 | Toyota Motor Corp | Automatic stop control device of internal combustion engine |
| CN103192724A (en) * | 2013-03-26 | 2013-07-10 | 郑州宇通客车股份有限公司 | Trolley bus power system and power-grid-connected operation method and power-grid-free operation method thereof |
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| CN104882920A (en) | 2015-09-02 |
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Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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