CN201189858Y - Urban low cost pure electric public transport system - Google Patents

Urban low cost pure electric public transport system Download PDF

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Publication number
CN201189858Y
CN201189858Y CNU2008200696802U CN200820069680U CN201189858Y CN 201189858 Y CN201189858 Y CN 201189858Y CN U2008200696802 U CNU2008200696802 U CN U2008200696802U CN 200820069680 U CN200820069680 U CN 200820069680U CN 201189858 Y CN201189858 Y CN 201189858Y
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China
Prior art keywords
storage battery
battery box
box
charging station
accumulator
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Expired - Fee Related
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CNU2008200696802U
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Chinese (zh)
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陈玉启
符海龙
张秀生
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/66—Arrangements of batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/26—Rail vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Secondary Cells (AREA)

Abstract

The utility model discloses a pure electric civil public traffic system with low cost, which comprises a charging station (1), accumulator cases (4), an accumulator case transport vehicle (13), a rapid accumulator case changer (6) and an accumulator driven bus (7) which are all separately arranged, wherein, the accumulator case transport vehicle (13) commutes between the charging station (1) and a bus terminal (2) for transporting the accumulator cases (4); the accumulator driven bus (7) is provided with only one accumulator case (4), the accumulator capacity of which is enough for the accumulator driven bus (7) to commute one to two one-way distances; after the accumulator driven bus (7) finishes commuting one to two one-way distances and enters the bus terminal (2), the accumulator cases (4)are changed at least once. The utility model reduces the construction cost of the charging station, also greatly decreases the weight and the size of each accumulator case, is particularly suitable for large and medium civil public traffic systems with heavy traffic and serious pollution, and has enormous social and economic benefits.

Description

The low-cost pure electric public transport system in city
One, technical field:
The utility model relates to a kind of battery-driven urban mass-transit system, particularly relates to the low-cost pure electric public transport system in a kind of city.
Two, background technology:
The storage battery of using on the battery traction bus at present mainly contains following several: multiple storage batterys such as lead-acid storage battery, lithium-ions battery, nickel-hydrogen accumulator, lithium iron phosphate storage battery, super capacitance storage battery.Bus is transported nearly about 200 kilometers of mileage at the row of every day on the fixed line between origin station and the destination stop.Real-world operation shows that the power consumption that at present large-scale full electricity drives every kilometer of bus is approximately kilowatt-hour, so satisfy the bus distance travelled of every day, if only changed battery pack in one day one time, the charge capacity of battery pack will reach and surpass the 200KWh electric energy in other words.Store so many electric energy, will cause the series of problems such as price, weight and installing space distribution of battery pack.The lead-acid batteries price is minimum such as using, but weight and volume is bigger; Certain model power lead-acid batteries with present application is an example, when its charge capacity is the 200KWh electricity, its battery weight reaches 5500 kilograms unexpectedly, price has also reached ten thousand yuan of 6-8 simultaneously, and lead-acid batteries will annually at least be changed once, so not only increased the deadweight of bus, reduced the seating capacity of bus significantly, purchase investment of user's initial stage and later stage use input also bigger simultaneously.Though use other novel battery bulking value less, price is higher relatively, cost performance is too low.For example, nickel-hydrogen accumulator, lithium iron phosphate storage battery price are three to five times of equal capacity power lead-acid storage battery price, and weight but also has about 50% of equal capacity power lead-acid storage battery weight; The lithium-ions battery price is five to ten times of equal capacity power lead-acid storage battery price, and weight but also has about 30% of equal capacity power lead-acid storage battery weight; Super capacitance storage battery is also higher.
The technical scheme of existing electric public transport system comprises the electric bus that is equipped with cassette battery pack, vehicle control syetem, is arranged at battery-charging station and cassette battery set unloading device that batteries charging is given in the fixed location, when described electric bus need be changed the cassette battery pack, described handler takes off the cassette battery pack on the described electric bus, and charged battery pack is installed on the electric bus, to guarantee the continuous online operation of electric bus, improve the degree of utilization of electric bus greatly.But, technique scheme comes with some shortcomings: its battery-charging station is arranged in the destination stop (origin station) on the bus operation circuit, and the destination stop of bus operation circuit (origin station) generally all is positioned at the city proper of population comparatively dense, and the density of population is bigger, and the land use cost is very high.In addition, its battery pack is installed on the chassis and has the following disadvantages: battery pack ventilation and heat difficulty influences battery performance; The battery pack installing space ties up riding space, influences the seating capacity; Automobile-used chassis needs particular design for battery pack is installed, and the chassis is changed bigger; In water inlet or the immersion easily of southern or rainy battery pack in season, cause the safety of easy short circuit of battery pack or effect of leakage bus.
Three, utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of operation cost low, can improve the storage battery in-use performance and improve the low-cost pure electric public transport system in city of its safety in utilization, solved effectively because of the operation cost too high and too low pure electric bus that causes of efficient can not be on industry the problem of large-scale promotion application.
The technical solution of the utility model is: the low-cost pure electric public transport system in a kind of city, contain battery traction bus (7), battery-charging station (1) and Vehicular accumulator cell case quick replacement device (6), described battery-charging station (1) is independently built the city in or/and outskirts of a town, be provided with storage battery box charging unit (11) and storage battery box transport trolley (13) in each battery-charging station (1), be provided with Vehicular accumulator cell case quick replacement device (6) in the destination stop of each public bus network one or both ends (2), described storage battery box transport trolley (13) is travelled to and fro between between battery-charging station (1) and the destination stop (2), the storage battery box (4) that will be full of electricity is sent to each at a distance of nearest destination stop (2) by battery-charging station (1), and the storage battery box (5) that uses up electricity in each destination stop (2) is transported to battery-charging station (1) charges; Many battery traction buses (7) are set on each public transport line, and each battery traction bus (7) is changed storage battery box (4) in destination stop (2) after running through the distance of one or two one way; Car body (14) top of described battery traction bus (7) is equipped with automobile battery groove (16), described automobile battery groove (16) upper end is installed one can be along the loam cake (18) of slip before and after the length over ends of body direction, its inner chamber has two empty vans of being separated by, power train in vehicle application controller (17) is installed in the empty van, the storage battery box (4) that is full of electricity is installed in another empty van, and the described storage battery box (4) that is full of electricity connects with power train in vehicle application controller (17); Power train in vehicle application motor (19) adopts vertical structure to be installed on change speed gear box (20) top, change speed gear box (20) is installed on the interior lower rear of car body (14), described power train in vehicle application motor (19) connects with power train in vehicle application controller (17), and described change speed gear box (20) is connected with the back rotating shaft of car body (14).
Described battery-charging station (1) internal frame is provided with high voltage power line (8), this high voltage power line (8) is connected with the input end of voltage transformer (9), the mouth of described voltage transformer (9) is connected with storage battery box charging unit (11) by primary cable (10), and described storage battery box charging unit (11) charges to the storage battery box (5) that each has used up electricity.
Described storage battery box charging unit (11) next door is provided with storage battery box accumulating platform (3), in order to pile up the storage battery box (4) that is full of electricity and to use up electric storage battery box (5), and storage battery box accumulating platform (3) top is provided with storage battery box handler (12), in order to storage battery box (4) is taken out or puts into storage battery box charging unit (11), or with storage battery box (4) loading and unloading in storage battery box transport trolley (13).
Be provided with storage battery box accumulating platform (3) in the described destination stop (2), in order to pile up the storage battery box (4) that is full of electricity and to use up electric storage battery box (5), and storage battery box accumulating platform (3) top is provided with Vehicular accumulator cell case quick replacement device (6), in order to storage battery box (4) is taken out or puts into the automobile battery groove (16) of battery traction bus (7).
Car body (14) top of described battery traction bus (7) is equipped with air condition with camion (15).
Useful result of the present utility model is:
1, the utility model in the city or/and battery-charging station is independently built in outskirts of a town, each battery-charging station is responsible for the storage battery box that uses up electricity is charged, the storage battery box transport trolley travel to and fro between battery-charging station and and the destination stop (origin station) of the nearer public bus network of battery-charging station between, the storage battery box that will be full of electricity is sent to each destination stop (origin station) by battery-charging station, and the storage battery box that uses up electricity in each destination stop (origin station) is transported to battery-charging station and charges, reduce the construction cost of battery-charging station like this, helped reducing user's initial investment; In addition, the construction of the independence of battery-charging station helps centralized management, concentrated investment, differentiation risk, increases the benefit.All these useful results help the development of battery traction bus, help early also a slice blue sky, city.
2, on each battery traction bus of the utility model a storage battery box only is housed, the single total charge capacity of storage battery box that is full of electricity just can satisfy the battery traction bus is run through one to two one way between the origin station of bus operation circuit and destination stop distance, its volume significantly dwindles, and greatly reduces operation cost.
3, alleviating of the utility model Vehicular accumulator cell weight reduced bus and draws heavier storage battery to move required idle work back and forth.
4, the utility model Vehicular accumulator cell weight and volume reduces to help Duola passenger.
5, the utility model is installed on the car body top with battery pack and automobile-used drive motor controller, change less to existing public transport vehicle chassis, substantially need not redesign the chassis again, thereby guaranteed the commonality of battery traction public transport vehicle chassis and existing public transport vehicle chassis, reduced the exploitation and the purchase cost on the automobile-used chassis of battery traction bus manufacturer; The ventilation and heat that also helps simultaneously storage battery, improve the in-use performance of storage battery, also reduce battery pack and the water inlet on rainy day of power train in vehicle application electric machine controller in addition, soaked when paddling and clashed into the possibility of electric leakage, improved car load safety factor and operation reliability; The power train in vehicle application motor is installed on the top of change speed gear box, change speed gear box is installed on rear vehicle, thereby has improved the position of battery pack on car body, the position of power train in vehicle application motor also improves, thereby increased the public transport interior space, helped Duola passenger; In addition, a storage battery box only is housed on each battery traction bus, has reduced the replacing time, the efficient of the replacing storage battery of raising has improved the operation benefits of bus.
6, the utility model is applied widely, is particularly useful for heavy traffic, seriously polluted, cost occupies high big and medium-sized cities public transit system, is easy to promote, and has huge social and economic benefit after the popularization.
Four, description of drawings:
Fig. 1 is the operation scheme drawing of the low-cost pure electric public transport system in city;
Fig. 2 is the wall scroll public bus network operation scheme drawing of the low-cost pure electric public transport system in city;
Fig. 3 is the battery-charging station equipment drawing of the low-cost pure electric public transport system in city;
Fig. 4 is the structural representation of battery traction bus.
Five, the specific embodiment:
Below in conjunction with drawings and Examples the utility model is further specified, with reference to Fig. 1～Fig. 4, in the city or/and the suburb independently has several battery-charging statioies 1.Near battery-charging station 1, choose several public transport destination stops (origin station) 2 nearest with it, services sites as battery-charging station 1, storage battery box transport trolley 13 is travelled to and fro between between battery-charging station 1 and these public transport destination stops 2, the storage battery box 4 that has been full of electricity in the battery-charging station 1 is delivered in these public transport destination stops 2, and sent the storage battery box 5 that uses up electricity in these destination stops 2 back to battery-charging station 1 and charge standby.Object-line is represented urban border among the figure.
Battery traction bus 7 has some, equivalent be distributed on the round circuit of bus operation circuit (such as, have 30 battery traction buses 7, round circuit respectively distributes 15).(also can be in a destination stop 2) respectively builds a Vehicular accumulator cell case quick replacement device 6 in two destination stops 2 of public bus network, builds together two.Build a storage battery box accumulating platform 3 on each Vehicular accumulator cell case quick replacement device 6 next door, in order to stack the storage battery box 4 that has been full of electricity and to use up electric storage battery box 5.The storage battery box 4 that storage battery box transport trolley 13 will be full of electricity is transported in the destination stop 2 from battery-charging station 1, rest in Vehicular accumulator cell case quick replacement device 6 next doors, the storage battery box 4 that Vehicular accumulator cell case quick replacement device 6 will be full of electricity from the storage battery box transport trolley 13 unloads and is placed on the storage battery box accumulating platform 3, and the storage battery box 5 that will use up electricity from the storage battery box accumulating platform 3 lifts on the storage battery box transport trolley 13.A storage battery box 4 only is housed on each battery traction bus 7, and the single total charge capacity of storage battery box 4 that is full of electricity just can satisfy battery traction bus 7 is run through one to two one way between the origin station of bus operation circuit and destination stop distance.Concrete distance of running an one way or two one way, length according to actual bus operation circuit decides: if actual bus operation circuit is shorter, it is just passable that the charge capacity of storage battery box 4 can guarantee that the battery traction bus is run through the distance of two one way between the origin station of bus operation circuit and destination stop; If actual operating line is longer, the charge capacity of storage battery box 4 is just passable as long as guarantee that the battery traction bus is run through an one way between the origin station of bus operation circuit and destination stop so.Battery traction bus 7 is in the distance of running through one to two one way is sailed any one destination stop 2 into the time, the storage battery box 5 that all will utilize Vehicular accumulator cell case quick replacement device 6 will use up electricity takes off and is placed on the storage battery box accumulating platform 3, and the storage battery box 4 that will be full of electricity from the storage battery box accumulating platform 3 takes off and is placed on the battery traction bus 7.
High voltage power line 8 is input to AC energy in the battery-charging station 1 usefulness voltage transformer 9, convert the high-voltage alternating electric energy to the low-voltage alternating-current electric energy by voltage transformer 9, and the low-voltage alternating-current electric energy is input in the storage battery box charging unit 11 in the battery-charging station 1 by primary cable 10, storage battery box charging unit 11 converts the low-voltage alternating-current electric energy to the low-voltage direct electric energy, and each storage battery box 5 that has used up electricity is charged.Have storage battery box accumulating platform 3 on storage battery box charging unit 11 next doors, in order to pile up the storage battery box 4 that is full of electricity and to use up electric storage battery box 5.Storage battery box handler 12 takes out from storage battery box charging unit 11 in order to the storage battery box 4 that will be full of electricity, perhaps will use up electric storage battery box 5 and put into storage battery box charging unit 11 and charge.Storage battery box transport trolley 13 rests in storage battery box accumulating platform 3 next doors, storage battery box handler 12 also in order to will use up the electricity storage battery box 5 unload from storage battery box transport trolley 13, and will be full of the electricity storage battery box 4 install on the storage battery box transport trolley 13.
Car body 14 tops of battery traction bus 7 are equipped with air condition with camion 15 and automobile battery groove 16, automobile battery groove 16 upper ends are installed one can be along the loam cake 18 of slip before and after the length over ends of body direction, its inner chamber has two empty vans of being separated by, in the empty van power train in vehicle application controller 17 is installed, the storage battery box 4 that is full of electricity is installed in another empty van, storage battery box 4 and power train in vehicle application controller 17 connect by lead, storage battery box 4 direct current energy input power train in vehicle application controller 17, power train in vehicle application controller 17 starts and running power train in vehicle application motor 19.Power train in vehicle application motor 19 adopts the vertical top that is installed in drop-gear box 20, and drop-gear box 20 is installed on the lower rear of car body 14 near the rear wheel position.Power train in vehicle application motor 19 running and decelerate to suitable rotating speed by drop-gear box 20 after, the trailing wheel that drives car body 14 rotates, and advances and retreats thereby drive battery traction bus 7.
The concrete structure of the mode of the construction zone of change battery-charging station and the replacing storage battery box of quantity, change battery traction bus one way or round trip and change Vehicular accumulator cell case quick replacement device can be formed a plurality of embodiment, be common variation range of the present utility model, do not describe in detail one by one at this.

Claims (5)

1, the low-cost pure electric public transport system in a kind of city, contain battery traction bus (7), battery-charging station (1) and Vehicular accumulator cell case quick replacement device (6), it is characterized in that: described battery-charging station (1) is independently built the city in or/and outskirts of a town, be provided with storage battery box charging unit (11) and storage battery box transport trolley (13) in each battery-charging station (1), be provided with Vehicular accumulator cell case quick replacement device (6) in the destination stop of each public bus network one or both ends (2), described storage battery box transport trolley (13) is travelled to and fro between between battery-charging station (1) and the destination stop (2), the storage battery box (4) that will be full of electricity is sent to each at a distance of nearest destination stop (2) by battery-charging station (1), and the storage battery box (5) that uses up electricity in each destination stop (2) is transported to battery-charging station (1) charges; Many battery traction buses (7) are set on each public transport line, and each battery traction bus (7) is changed storage battery box (4) in destination stop (2) after running through the distance of one or two one way; Car body (14) top of described battery traction bus (7) is equipped with automobile battery groove (16), described automobile battery groove (16) upper end is installed one can be along the loam cake (18) of slip before and after the length over ends of body direction, its inner chamber has two empty vans of being separated by, power train in vehicle application controller (17) is installed in the empty van, the storage battery box (4) that is full of electricity is installed in another empty van, and the described storage battery box (4) that is full of electricity connects with power train in vehicle application controller (17); Power train in vehicle application motor (19) adopts vertical structure to be installed on change speed gear box (20) top, change speed gear box (20) is installed on the interior lower rear of car body (14), described power train in vehicle application motor (19) connects with power train in vehicle application controller (17), and described change speed gear box (20) is connected with the back rotating shaft of car body (14).
2, the low-cost pure electric public transport system in city according to claim 1, it is characterized in that: described battery-charging station (1) internal frame is provided with high voltage power line (8), this high voltage power line (8) is connected with the input end of voltage transformer (9), the mouth of described voltage transformer (9) is connected with storage battery box charging unit (11) by primary cable (10), and described storage battery box charging unit (11) charges to the storage battery box (5) that each has used up electricity.
3, the low-cost pure electric public transport system in city according to claim 2, it is characterized in that: described storage battery box charging unit (11) next door is provided with storage battery box accumulating platform (3), in order to pile up the storage battery box (4) that is full of electricity and to use up electric storage battery box (5), and storage battery box accumulating platform (3) top is provided with storage battery box handler (12), in order to storage battery box (4) is taken out or puts into storage battery box charging unit (11), or with storage battery box (4) loading and unloading in storage battery box transport trolley (13).
4, the low-cost pure electric public transport system in city according to claim 1, it is characterized in that: be provided with storage battery box accumulating platform (3) in the described destination stop (2), in order to pile up the storage battery box (4) that is full of electricity and to use up electric storage battery box (5), and storage battery box accumulating platform (3) top is provided with Vehicular accumulator cell case quick replacement device (6), in order to storage battery box (4) is taken out or puts into the automobile battery groove (16) of battery traction bus (7).
5, according to the low-cost pure electric public transport system in the arbitrary described city of claim 1～4, it is characterized in that: car body (14) top of described battery traction bus (7) is equipped with air condition with camion (15).
CNU2008200696802U 2008-03-21 2008-03-21 Urban low cost pure electric public transport system Expired - Fee Related CN201189858Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101823473A (en) * 2010-05-31 2010-09-08 团国兴 Mobile battery change system for electric automobile by utilizing mobile battery change vehicle
WO2011063689A1 (en) * 2009-11-27 2011-06-03 Yin Xuejun Method for quickly supplying electric energy to electric vehicle and power supply device thereof
CN102806898A (en) * 2011-06-01 2012-12-05 国民大学校产学协力团 Battery exchanging method for electric vehicle
CN103223924A (en) * 2012-01-31 2013-07-31 国民大学校产学协力团 Electric bus and electric bus battery exchange system
CN103296702A (en) * 2012-02-22 2013-09-11 联想(北京)有限公司 Mobile electronic device and charging system thereof, battery acquisition method and charging dock
CN103857553A (en) * 2011-10-12 2014-06-11 西门子公司 Charging station
CN105984441A (en) * 2015-01-28 2016-10-05 赵军 Air bridge type charging station for pure electric bus and implementation method thereof
CN110194077A (en) * 2019-06-18 2019-09-03 刘良 A kind of charging system of electric powercar and charging method

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9321433B2 (en) 2009-11-27 2016-04-26 Xuejun Yin Method for quickly supplying electric energy to electric vehicle and power supply device thereof
WO2011063689A1 (en) * 2009-11-27 2011-06-03 Yin Xuejun Method for quickly supplying electric energy to electric vehicle and power supply device thereof
CN101823473B (en) * 2010-05-31 2012-08-15 团国兴 Mobile battery change system for electric automobile by utilizing mobile battery change vehicle
CN101823473A (en) * 2010-05-31 2010-09-08 团国兴 Mobile battery change system for electric automobile by utilizing mobile battery change vehicle
CN102806898B (en) * 2011-06-01 2016-06-08 国民大学校产学协力团 For the battery change method of electric motor car
CN102806898A (en) * 2011-06-01 2012-12-05 国民大学校产学协力团 Battery exchanging method for electric vehicle
EP2529985A3 (en) * 2011-06-01 2018-03-21 Kookmin University Industry Academy Cooperation Foundation Battery exchanging method for electric vehicle
CN103857553A (en) * 2011-10-12 2014-06-11 西门子公司 Charging station
CN103857553B (en) * 2011-10-12 2016-08-17 西门子公司 Charging station
CN103223924B (en) * 2012-01-31 2015-09-09 国民大学校产学协力团 Electronic bus and electronic bus battery change system
CN103223924A (en) * 2012-01-31 2013-07-31 国民大学校产学协力团 Electric bus and electric bus battery exchange system
CN103296702A (en) * 2012-02-22 2013-09-11 联想(北京)有限公司 Mobile electronic device and charging system thereof, battery acquisition method and charging dock
CN105984441A (en) * 2015-01-28 2016-10-05 赵军 Air bridge type charging station for pure electric bus and implementation method thereof
CN110194077A (en) * 2019-06-18 2019-09-03 刘良 A kind of charging system of electric powercar and charging method

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