CN106611976B - The online charging system of electric vehicle and charging method - Google Patents
The online charging system of electric vehicle and charging method Download PDFInfo
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- CN106611976B CN106611976B CN201510697712.8A CN201510697712A CN106611976B CN 106611976 B CN106611976 B CN 106611976B CN 201510697712 A CN201510697712 A CN 201510697712A CN 106611976 B CN106611976 B CN 106611976B
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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
Abstract
The invention discloses a kind of online charging system of electric vehicle and charging methods.The system includes platform equipment and mobile unit, wireless routing is established by pantograph controller and Vehicle Controller, the entire car controller of electric vehicle exchanges charge data with charging bow controller by the wireless routing, entire car controller is determining that meeting control pantograph controller after charge condition executes drop bow operation, so that pantograph is contacted with the electrode plate of mobile unit, and then charger is charged by pantograph and electrode plate to battery system.Charger and pantograph are transplanted to ground platform by vehicle-mounted installation and installed by the application, avoid charger and pantograph and are limited by vehicle environment, and the usability and reliability of the energy online charging system of significant increase.
Description
Technical field
The present invention relates to electric vehicle technical fields, specifically, being related to a kind of online charging system of electric vehicle and filling
Method for electrically.
Background technique
In recent years, pure electric vehicle majority is using energy storage devices such as lithium titanate battery, super capacitors, these energy storage devices are because of it
Advantage that is high with efficiency for charge-discharge, having extended cycle life, is used widely in pure electric vehicle field.But existing storage
Energy device energy density is told somebody what one's real intentions are, and the course continuation mileage after single charge is too short, and is limited to vehicle body space, can not be in the car
Excessive energy storage device is installed.
Based on above-mentioned reason, pure electric vehicle can frequently be charged using online charging system.Pacify on electric vehicle
Equipped with pantograph and powerful Vehicular charger, operating vehicle by driver before charging makes the charging of pantograph and platform
Electrode or charge cable contact just can be carried out subsequent charging.However, by vehicle environmental restrictions, especially at night, rain
Driver is difficult an accurate stopping in place in the poor environment of the light such as it.The operation parked repeatedly causes charging vehicle to stop
It stands overlong time, or even causes to block up.
Therefore, a kind of online charging system and online charging method for making electric vehicle quickly stop in place is needed.
Summary of the invention
It is an object of the present invention to solving the online charging system of existing electric vehicle to be affected by vehicle environment,
It is unable to the technological deficiency that accurate stopping charges in place.
The embodiment of the present invention provides a kind of online charging system of electric vehicle first, comprising:
Platform equipment is arranged on platform, including charger, pantograph controller and pantograph；
Mobile unit is arranged on the vehicle body of electric vehicle, including electrode plate and Vehicle Controller；
Wherein, pantograph controller and Vehicle Controller establish wireless routing, and the entire car controller of electric vehicle passes through institute
It states wireless routing and exchanges charge data with charging bow controller, entire car controller controls after determination meets charge condition by electricity
Bend controller and execute drop bow operation so that pantograph is contacted with the electrode plate of mobile unit, and then charger by pantograph and
Electrode plate charges to battery system.
In one embodiment, entire car controller is completed charging, charge fault in determination or exits charged state
In the case of, and confirm meet outage condition after, control pantograph controller execute rising bow operation.
In one embodiment, the platform equipment further includes video camera, for acquiring vehicle realtime graphic and pantograph
Status image, pantograph controller transfer with the consistent analog image of vehicle vehicle, with vehicle realtime graphic and pantograph state
Image is overlapped processing and forms real-time monitoring images, for showing the relative position state of pantograph and electrode plate；
The mobile unit further includes display, and Vehicle Controller receives the real time monitoring figure by the wireless routing
Picture is simultaneously shown over the display, wherein after pantograph and the location matches of electrode plate, the control of vehicle control unit controls pantograph
Device executes drop bow operation.
In one embodiment, the platform equipment further includes ETC identification device, and the mobile unit further includes ETC mark
Label；Wherein,
When electric vehicle enters charge tunnel, ETC identification device identifies that the ETC label of vehicle, pantograph controller are true
Recognizing the ETC label is the wireless connection of foundation and Vehicle Controller after legitimate tag.
In one embodiment, after pantograph controller establishes the wireless connection with Vehicle Controller, entire car controller
Limit the maximum travel speed of vehicle；
After pantograph controller completes rising bow operation, entire car controller releases the limit to vehicle maximum travel speed
System.
In one embodiment, pantograph controller drops to roof electrode by the bow that overturning electric cylinders control pantograph
The position of plate, and make to be kept in contact between the bow of pantograph and electrode plate using electric cylinders are compressed；Wherein,
During pantograph drops to low level by a high position, it is quickly turned to the position close to roof in the initial stage,
And reversal rate is being reduced close to after roof to reduce the impact force generated when pantograph is contacted with electrode plate.
The embodiment of the present invention also provides a kind of online charging method of electric vehicle, comprising the following steps:
Pantograph controller and Vehicle Controller establish wireless routing；
The entire car controller of electric vehicle exchanges charge data with charging bow controller by the wireless routing；
Entire car controller is determining that meeting control pantograph controller after charge condition executes drop bow operation, so that by electricity
Bow is contacted with the electrode plate of mobile unit；
Charger is charged by pantograph and electrode plate to electrokinetic cell system.
In one embodiment, further includes:
Entire car controller confirms full in the case where determination is completed charging, charge fault or exits charged state
After sufficient outage condition, control pantograph controller executes rising bow operation.
In one embodiment, further includes:
Vehicle realtime graphic and pantograph status image are acquired using video camera；
Pantograph controller transfer with the consistent analog image of vehicle vehicle, with vehicle realtime graphic and pantograph state diagram
Real-time monitoring images are formed as being overlapped processing, for showing the relative position state of pantograph and electrode plate；
Vehicle Controller receives the real-time monitoring images by the wireless routing and shows over the display.
In one embodiment, when electric vehicle enters charge tunnel, ETC identification device identifies the ETC label of vehicle,
Pantograph controller confirms that the ETC label is the wireless connection of foundation and Vehicle Controller after legitimate tag.
In one embodiment, after pantograph controller establishes the wireless connection with Vehicle Controller, entire car controller
Limit the maximum travel speed of vehicle；
After pantograph controller completes rising bow operation, entire car controller releases the limit to vehicle maximum travel speed
System.
The embodiment of the present invention is installed by the way that charger and pantograph are transplanted to ground platform by vehicle-mounted installation, is avoided
Charger and pantograph are limited by vehicle environment, and the usability and reliability of the energy online charging system of significant increase.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by specification, right
Specifically noted structure is achieved and obtained in claim and attached drawing.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example and is used together to explain the present invention, be not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the position distribution schematic diagram of the online charging system of electric vehicle of the embodiment of the present invention one；
Fig. 2 is the main circuit schematic illustration of the online charging system of electric vehicle of the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of the online charging system of electric vehicle of the embodiment of the present invention one；
Fig. 4 is the structure chart of the pantograph of the embodiment of the present invention one；
Fig. 5 is the curve graph of the pantograph flip-flop movement of the embodiment of the present invention one；
Fig. 6 is the pantograph dynamic control principle figure of the embodiment of the present invention one；
Fig. 7 is the display image schematic diagram of the vehicle-carrying display screen of the embodiment of the present invention one；
Fig. 8 is the step flow chart of the online charging method of electric vehicle of the embodiment of the present invention two.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing further
Ground is described in detail.
The embodiment of the present invention is illustrated below in conjunction with Figure of description, it should be understood that described herein preferred
Embodiment is only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.And in the case where not colliding, the present invention
Embodiment in feature can be combined with each other.
Embodiment one
The electric vehicle line charge electric system based on platform formula that the present embodiment provides a kind of, by by charger and pantograph by
The installation of ground platform is transplanted in vehicle-mounted installation, forms the online charging technique based on platform mode, avoids charger and by electricity
Bow is limited by vehicle environment, and the usability and reliability of the energy online charging system of significant increase.
Fig. 1 is the position distribution schematic diagram of the system.Battery pack of the installation for charging on electric vehicle, and charging
Machine (not shown in figure 1) and pantograph are mounted on platform, can be mitigated complete vehicle weight in this way, be vacateed space on vehicle.Thus will
Each car must be equipped with a set of charger and pantograph in the prior art, is converted into and establishes a set of charging system in first and last website,
Average every 10 trolley is equipped with a set of charger and pantograph, and entire charging system cost is greatly lowered.
Fig. 2 is the main circuit schematic illustration of the system.The charger of platform part provides electric energy to pantograph, works as driving
After personnel operate the location matches that vehicle makes pantograph and vehicle-mounted partial electrode plate, pantograph is by charge circuit to vehicle-mounted
Partial battery pack charges.
Fig. 3 is the structural schematic diagram of the online charging system of electric vehicle provided in this embodiment.The system mainly includes station
Platform equipment and mobile unit.Platform equipment is arranged on platform, including charger 311, pantograph controller 312 and pantograph
313, charger 311 is connect by CAN network with pantograph controller 312.Mobile unit is arranged on the vehicle body of electric vehicle,
Including electrode plate 321 and Vehicle Controller 322.
Wherein, pantograph 313 is mounted on the surface in Vehicular charging channel.Pantograph controller 312 and Vehicle Controller
322 establish wireless routing.The entire car controller 323 of electric vehicle is connect by CAN network with Vehicle Controller 322, Jin Ertong
Cross the wireless routing and exchange charge data with charging bow controller 312, entire car controller 323 determination meet charge condition it
Control pantograph controller 312 executes drop bow operation afterwards, so that pantograph 313 is contacted with the electrode plate 321 of mobile unit, in turn
Charger 311 is charged by pantograph 313 and electrode plate 321 to battery system 324.
In addition, entire car controller 323 determine charging, charge fault is completed or exits charged state in the case where,
And after confirmation meets outage condition, control pantograph controller 312 executes rising bow operation, to complete completely to charge
Journey.
The present embodiment is also equipped with picture control equipment to realize image recognition, and guidance driver moors in platform safety and precise
Vehicle charging.As shown in figure 3, platform equipment further includes video camera 314, for acquiring vehicle realtime graphic and pantograph state diagram
Picture.Pantograph controller 312 transfer with the consistent analog image of vehicle vehicle, with vehicle realtime graphic and pantograph status image
It is overlapped processing and forms real-time monitoring images, for showing the relative position state of pantograph and electrode plate.
Mobile unit further includes display (Fig. 3 is not shown), and Vehicle Controller 322 passes through described in wireless routing reception
Real-time monitoring images are simultaneously shown over the display, wherein after pantograph and the location matches of electrode plate, entire car controller 323
It controls pantograph controller 312 and executes drop bow operation.
The system of the present embodiment realizes the management to vehicle using ETC.In Fig. 3, platform equipment further includes ETC identification dress
315 are set, mobile unit 320 further includes ETC label 325.Wherein, when electric vehicle enters charge tunnel, ETC identification device is known
The ETC label of other vehicle could be established and vehicle-mounted control after pantograph controller 312 confirms that the ETC label is legitimate tag
The wireless connection of device 322.
In order to guarantee that vehicle safety is stopped, entire car controller 323 also controls the traveling of vehicle after entering charge tunnel
Speed.Specifically, after pantograph controller 312 establishes the wireless connection with Vehicle Controller 322, entire car controller 323
The maximum travel speed for limiting vehicle, prevents car speed is excessively high to be not easy to stop；Correspondingly, completing to rise in pantograph controller
After bow operation, entire car controller 323 releases the limitation to vehicle maximum travel speed.
It is emphasized that pantograph controller 312 controls the bow of pantograph 313 using overturning electric cylinders in the present embodiment
Drop to the position of roof electrode plate 321, and keeps connecing using between the bow and electrode plate for compressing electric cylinders and making pantograph 313
Touching.Also, during pantograph 313 drops to low level by a high position, the position close to roof is quickly turned in the initial stage
It sets, and is reducing reversal rate close to after roof to reduce the impact force generated when pantograph is contacted with electrode plate.
Fig. 4 is the structure chart of the pantograph of the present embodiment.When electric vehicle is after platform stop position is suitable, bow passes through
The overturning electric cylinders of two sides drop to the polar plate position of roof, then guarantee that bow and pole plate compress by compressing electric cylinders, it is preferred that
Pressure is maintained at 80~120N.Lifting bow process flip-flop movement should guarantee fast lifting to reduce total charging time, again
Slow down in moving end to buffer impact force when pantograph and pole plate contact, so that deformation of timbering be avoided to damage.It moves bent
Line is as shown in Figure 5.
Pantograph collector head is to biggish pitching, side-sway or road occur in vehicle to the compression movement of roof electrode plate
In the case where injustice, apply certain normal pressure to guide plate between pantograph and roof, to guarantee that it is enough that upper bottom crown has
Contact rate requires to meet high current and be powered.The normal pressure again can not be excessive, and copper pole plate is otherwise caused to deform.
Pantograph movement control principle as shown in fig. 6, the present embodiment use by servo motor it is integrated with lead screw
The rotary motion of servo motor is converted into moving along a straight line, passes through CAN bus and closed loop by the electric cylinder of product as executive component
Control, to realize that high precision position, speed and thrust act.
In addition, platform equipment is additionally provided with redundancy video camera 316, center monitoring room is connected to by cable network.
Because platform pantograph 313 and roof electrode plate 321 be except pilot's line of vision, for realize driver quickly,
Accurately enter charging work position, it is necessary to which a set of round-the-clock image procossing scheme is assisted driving.Specifically, pantograph
Controller 312 captures roof video image by video camera 314, and is believed according to built-in vehicle graphic information, real-time vehicle running
Breath and realtime graphic generate pantograph and simulate landing place, are merged by simulation level point with realtime graphic, and confirm matching shape
State.Vehicular display device is preferably double-display screen, and left side shows roof pole plate material picture and simulation pantograph collector head landing place；
Right side shows simulating vehicle location drawing picture and simulation pantograph landing place.
After confirmation is shaken hands in platform equipment 310 and the completion of mobile unit 320, pantograph controller 312 will be from database
The D CAD simplified model and roof identification information for transferring the vehicle vehicle, further according to platform equipment installation site, so that it may calculate
Level point position of the pantograph on the vehicle roof and form the analog image in level point out.
The analog image of image and pantograph level point that camera is shot is overlapped by pantograph controller 312, shape
At real-time animation image.Pantograph controller 312 acquires the vehicle speed information that entire car controller is sent simultaneously, forms the mould in roof face
Quasi- motion animation, the motion animation will be also overlapped with the analog image in pantograph level point, form simulation animation image, with
Driver is guided to correct direction of traffic.
Vehicle Controller 322 is restored by wireless routing transmission realtime graphic and analog image, is divided, and is exported in real time
Onto front end display screen 324, as shown in Figure 7.Left side real-time display roof pole plate material picture and simulation pantograph collector head landing
Position, after pantograph simulation landing place is located in picture frame boundary, display real-time perfoming reminds " ok ", and reminds driver can
Stopping for charging.The right shows simulation roof image in real time and simulation pantograph landing place according to speed, and driver can be according to this mould
The adjustment of quasi- image real-time perfoming vehicle location, so that pantograph landing place can be quick and precisely.
Therefore, charger and pantograph are transplanted to ground by vehicle-mounted installation and pacified by online charging system provided in this embodiment
Dress forms the online charging technique based on platform mode, avoids charger and pantograph and limited by vehicle environment, and can fill
Divide and blended with the ground system of current other maturations, greatly improves online charging system service performance and reliability.
Image monitoring device is installed by platform, realizes image recognition, so that driver be guided to moor in platform safety and precise
Vehicle charging.The security risk that can solve step voltage Yu frame cable normal open electricity, is communicated using wifi, solves platform charger
The problem of with Vehicles separation charging.With servo motor and double electric cylinders as executive component, structure is easily and effectively, total by CAN
Line and closed-loop control realize that high precision position, speed and thrust act.In addition double electric cylinders can also play the role of redundancy protecting.
Embodiment two
The present embodiment provides the online charging methods of an electric vehicle.Illustrate the step process of this method referring to Fig. 8.
In step S801, vehicle arrives at a station into charging system wireless network coverage, and automatic establish is wirelessly connected, this
When vehicle do not obtain charging permission, be unable to activating charge request.When vehicle needs to charge, it is logical that driver driving vehicle enters charging
Road, in front of charge tunnel or the ETC identification device of top identifies vehicle identification information.If identification failure, carries out people
Work is swiped the card identification.
Next, start the handshake communication of pantograph controller and Vehicle Controller in step S802, vehicles identifications letter
Breath includes Vehicle Controller wireless module address, and pantograph controller inquires the corresponding network node in address, is established and node
It shakes hands connection, to establish the wireless routing between pantograph controller and Vehicle Controller.
In step S803, whether judgement is shaken hands succeeds.If shaking hands success, then follow the steps S804, electric vehicle it is whole
Vehicle controller exchanges charge data with charging bow controller by the wireless routing, and pantograph controller, Vehicle Controller are real
Existing wireless routing function, forwarding charger data and vehicle data, entire car controller, battery management system BMS are established and charging
The seamless CAN network of machine controller connects.Entire car controller limits vehicle max. speed, and pantograph controller acquires roof image
Information carries out track identification and driving behavior prompts.
If it is unsuccessful to shake hands, S805 is thened follow the steps, switches to spare wifi equipment.Pantograph controller judges wifi work
Whether work is normal, if abnormal, is switched to backup wifi；Vehicle Controller judges whether wifi work is normal, if abnormal,
Then it is switched to backup wifi；If the controller wifi success working properly that cannot still shake hands, vehicle or pantograph guarantee.
Step S806 is executed after step S804, entire car controller controls pantograph after determination meets charge condition
Controller executes drop bow operation, so that pantograph is contacted with the electrode plate of mobile unit.Specifically, vehicle drive in place after,
Driver complete parking, to neutral gear, pull the hand brake operation；Charging is prompted to allow information to vehicle-mounted display terminal, driver presses
Under " drop bow " button；Entire car controller identifies the movement and is sent to pantograph controller, realizes drop bow operation.
Then, pantograph controller feedback drop bow complement mark, entire car controller notice BMS allow to charge, and BMS is voluntarily opened
Begin to confirm with the charging process of charger.
Then, entire car controller is executed in the case where determination is completed charging, charge fault or exits charged state
Step S807, after confirmation meets outage condition, control pantograph controller executes rising bow operation.
Detect that driver cancels " drop bow " button, electric current to be charged is down to safe range, and entire car controller notifies pantograph
Controller realizes rising bow operation.Entire car controller releases car locking, releases speed limit 20km/h.Vehicle Controller, which can't detect, shakes hands really
After recognizing information 10s, current disconnecting releases speed limit.Pantograph controller can't detect after handshake 10s or detect
ETC it is new come vehicle charging signals, current disconnecting.
After rising bow is completed, driver drives vehicle and slowly leaves；When exceeding wireless network coverage, vehicle moves back automatically
Charge mode out cancels low speed limitation.After new vehicle identification information arrives or loses network connection with current charging vehicle,
Vehicle Controller cuts off existing charging connection, waits new charging tasks.
While it is disclosed that embodiment content as above but described only to facilitate understanding the present invention and adopting
Embodiment is not intended to limit the invention.Any those skilled in the art to which this invention pertains are not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But scope of patent protection of the invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (9)
1. a kind of online charging system of electric vehicle characterized by comprising
Platform equipment is arranged on platform, including charger, pantograph controller and pantograph；
Mobile unit is arranged on the vehicle body of electric vehicle, including electrode plate and Vehicle Controller；
Wherein, pantograph controller and Vehicle Controller establish wireless routing, and the entire car controller of electric vehicle passes through the nothing
Route is by exchanging charge data with charging bow controller, and entire car controller is in determining control pantograph control after meeting charge condition
Device processed executes drop bow operation, so that pantograph is contacted with the electrode plate of mobile unit, and then charger passes through pantograph and electrode
Plate charges to battery system,
Wherein, the platform equipment further includes video camera, for acquiring vehicle realtime graphic and pantograph status image, pantograph
Controller transfer with the consistent analog image of vehicle vehicle, be overlapped processing with vehicle realtime graphic and pantograph status image
Real-time monitoring images are formed, for showing the relative position state of pantograph and electrode plate；
The mobile unit further includes display, and Vehicle Controller receives the real-time monitoring images simultaneously by the wireless routing
Display is over the display, wherein after pantograph and the location matches of electrode plate, vehicle control unit controls pantograph controller is held
Row drop bow operation.
2. the system as claimed in claim 1, which is characterized in that entire car controller determine be completed charging, charge fault or
In the case that person exits charged state, and confirm that meet outage condition controls the execution rising bow operation of pantograph controller later.
3. the system as claimed in claim 1, which is characterized in that the platform equipment further includes ETC identification device, described vehicle-mounted
Equipment further includes ETC label；Wherein,
When electric vehicle enters charge tunnel, ETC identification device identifies that the ETC label of vehicle, pantograph controller confirm institute
Stating ETC label is the wireless connection of foundation and Vehicle Controller after legitimate tag.
4. system as claimed in claim 3, which is characterized in that establish in pantograph controller and connect with the wireless of Vehicle Controller
After connecing, entire car controller limits the maximum travel speed of vehicle；
After pantograph controller completes rising bow operation, entire car controller releases the limitation to vehicle maximum travel speed.
5. such as system of any of claims 1-4, which is characterized in that pantograph controller passes through overturning electric cylinders control
The bow of pantograph drops to the position of roof electrode plate, and makes to protect between the bow of pantograph and electrode plate using electric cylinders are compressed
Hold contact；Wherein,
During pantograph drops to low level by a high position, the position close to roof is quickly turned in the initial stage, and
Reversal rate is reduced close to after roof to reduce the impact force generated when pantograph and electrode plate contact.
6. a kind of online charging method of electric vehicle, which comprises the following steps:
Pantograph controller and Vehicle Controller establish wireless routing；
The entire car controller of electric vehicle exchanges charge data with charging bow controller by the wireless routing；
Entire car controller is determining that meeting control pantograph controller after charge condition executes drop bow operation so that pantograph with
The electrode plate of mobile unit contacts；
Charger is charged by pantograph and electrode plate to electrokinetic cell system,
Wherein, the method also includes:
Vehicle realtime graphic and pantograph status image are acquired using video camera；
Pantograph controller transfer with the consistent analog image of vehicle vehicle, with vehicle realtime graphic and pantograph status image into
Row superposition processing forms real-time monitoring images, for showing the relative position state of pantograph and electrode plate；
Vehicle Controller receives the real-time monitoring images by the wireless routing and shows over the display.
7. method as claimed in claim 6, which is characterized in that further include:
Entire car controller confirms that satisfaction is disconnected in the case where determination is completed charging, charge fault or exits charged state
After electric condition, control pantograph controller executes rising bow operation.
8. method as claimed in claim 6, which is characterized in that
When electric vehicle enters charge tunnel, ETC identification device identifies that the ETC label of vehicle, pantograph controller confirm institute
Stating ETC label is the wireless connection of foundation and Vehicle Controller after legitimate tag.
9. method according to claim 8, which is characterized in that
After pantograph controller establishes the wireless connection with Vehicle Controller, the highest that entire car controller limits vehicle travels speed
Degree；
After pantograph controller completes rising bow operation, entire car controller releases the limitation to vehicle maximum travel speed.
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Address after: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee after: Zhongche Times Electric Vehicle Co., Ltd. Address before: Fifty-seven, Zhuzhou Province, China National hi tech Development Zone, Hunan, Li Yu Industrial Park, district 412007 Patentee before: Hunan CSR Times Electric Co., Ltd. |
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