CN101823437A - Power-supply bar used in process of driving of trackless electric vehicle - Google Patents

Power-supply bar used in process of driving of trackless electric vehicle Download PDF

Info

Publication number
CN101823437A
CN101823437A CN200910113906A CN200910113906A CN101823437A CN 101823437 A CN101823437 A CN 101823437A CN 200910113906 A CN200910113906 A CN 200910113906A CN 200910113906 A CN200910113906 A CN 200910113906A CN 101823437 A CN101823437 A CN 101823437A
Authority
CN
China
Prior art keywords
line
touch
bearing
pendulum
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN200910113906A
Other languages
Chinese (zh)
Inventor
陆中源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN200910113906A priority Critical patent/CN101823437A/en
Publication of CN101823437A publication Critical patent/CN101823437A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention relates to a power-supply bar used in a process of the driving of a trackless electric vehicle, and belongs to the field of transportation. The power-supply bar comprises touch lines 10 and feeder lines 1, wherein the high-voltage touch lines 10 are sectioned for disconnection and are in insulation joint, and each feeder line 6 is connected with each section of the touch line; each section of the high-voltage touch line 10 is connected with each feeder line 6 through a respective electric switch 12; on the power-supply bar, each electric switch 12 is provided with an energizing key 27 and a circuit breaker 53; a positioning roller 19 positioned below an electric slide block 15 of the driving vehicle presses each energizing key 27 one by one from back to front, and drives each circuit breaker 53 to perform power failure after each section of the high-voltage touch line is energized from back to front for the time delay of about three seconds, and each circuit breaker performs power failure within two seconds after the vehicle passes through the power-supply bar, and thus the possibility that naughty children or people with low intelligence quotients run to the side of the power-supply bar from road sides and stretch into a narrow slit in the bar accurately by using hands or metal rods so as to get an electric shock is zero, the safety is improved greatly, and the trackless electric vehicle with energy conservation, emission reduction and low cost and the power-supply bar thereof are easy to popularize on non-highway roads and are accepted by people.

Description

The power supply hurdle that uses during the railless electric car travels
Technical field
The invention relates to the electric supply installation that a kind of railless electric car uses in travelling, and particularly as a kind of attached auxiliary facility of urban transportation tool, belongs to traffic and transport field.
Background technology
Because fuel vehicle, particularly fuel bus disposal of pollutants are serious and oil price is higher, the new car of various energy-saving and emission-reduction continues to bring out, the battery-driven car different with form as the combustion gas car at present.But the combustion gas car still discharges great amount of carbon dioxide and gas price will be no longer cheap also; Though the battery car manoevreability is good, cost height, competitive power be poor, can not produce use in enormous quantities.The public trackless trolley car that is used for the city, there have that zero-emission, noise are low, starting is gone up a slope to be fast, with be the lower electric energy of renewable price, but, and make its popularity rate can not show a candle to fuel vehicle because its built on stilts power supply touches that the line electrical network is built and maintenance cost height, manoevreability are poor, can not be common to all size type car and have a strong impact on the sky, street view.
From cost, battery-driven car is much lower with battery electricity or oil gas electricity relatively with the electrical network electricity directly.Like this, directly using the problem of electrical network electricity for battery-driven car, promptly for the existing problem of above-mentioned trackless trolley car, if important breakthrough is arranged, will be a mile stone of traffic electric gasification process! Application number is this paper author of 200910113836.1,200920140459.6 patent application " a kind of railless electric car and power supply hurdle thereof ", is exactly the real feasible program that battery-driven car is directly used the electrical network electricity.This scheme is one and is subjected to electric position at the new railless electric car of car side and touch line and be positioned at the ground-surface system of road that the facility that the line carrier is touched in this conduct is defined as " power supply hurdle ".This scheme has solved whole difficult problems of powering well on road ground, accomplished: the one, when car need be subjected to electricity near the power supply hurdle, guarantee that it is subjected to electric pole to arrange on time and make the electric slide block of its outer end to bump contact wire with the power of pre-sizing exactly automatically; The 2nd, when car needs outage, in the time of for example will leaving the power supply hurdle, guarantee to be subjected to electric pole to draw in automatically on time and do not take too much path space; The 3rd, guarantee that this power supply hurdle meets the relevant safety standard of country (for example, avoiding human body to be not intended to electric shock etc.); The 4th, when this power supply hurdle is damaged by collision in traffic accident, there is corresponding a bit of power supply hurdle to cut off the power supply automatically and avoids increasing loss; The 5th, can be divided into the different plurality of sections of length by the road scene branch hurdle that will power, the rational deployment arrangement is not to influence various vehicles, pedestrian's traffic; The 6th, have big dolly general, be simple and easy to make, performances such as low-cost, easy care and long service life.
Yet if above-mentioned " a kind of railless electric car and power supply hurdle " scheme is when being used for non-express highway, and safety but is still waiting further raising.Touch line because on the way exist the exposed electricity that has, people always have the sensation of safety inadequately psychologically.Really, what exist electricity on the road surface touches line, although be to hide can not touch part unintentionally at human body, can not get rid of the possibility that narrow slit that naughty child or mentally handicapped human hand or Metallic rod put in the power supply hurdle removes to touch electricity fully.
Summary of the invention
Under the prerequisite that keeps the whole advantages in above-mentioned power supply hurdle, touch the above safety problem that line (touch line and divide two kinds of high low voltages) exists for thoroughly resolving exposed high voltage, the invention provides the new power supply hurdle that a kind of railless electric car uses in travelling, when the railless electric car is travelled by the power supply of power supply hurdle, the power supply hurdle has only this car other a bit of (general tens meters of length) to touch line electricity (touching line voltage with high voltage equates) is arranged, and the line that touches that all the other are exposed does not have electricity (voltage is zero); Touching line as being somebody's turn to do after it's about two seconds is past car does not have.Got rid of naughty child or mentally handicapped human hand or Metallic rod fully and put in the possibility that narrow slit removes to touch electricity in the hurdle, can be referred to as " touching the uncharged power supply of line hurdle " like this.This power supply hurdle is the improvement on above-mentioned " a kind of railless electric car its power supply hurdle " patent application case basis, its to the effect that:
1, newly power be equipped with in the hurdle give the moving contact of railless electric car electricity slide block touch line and bearing thereof, bearing in a row is installed on the road ground, and feeder line is arranged in the bearing, also have with feeder line with touch the feedback that line is connected and go between; To touch line be the segmentation bonded assembly that disconnect to insulate to high voltage in the power supply hurdle, these high voltages touch line for every section a coupled feedback lead-in wire, it is characterized in that: every section of high voltage is touched between line and the feedback lead-in wire, is to come bonded assembly by electric switch, and electric switch is installed on the bearing; High voltage touches line for every section has an energizing key to be installed on the bearing, to control the closure energising that this section touches the electric switch of line; Every section of high voltage touches line and respectively also has a cutout relay to be installed on the bearing, with control this section touch line electric switch open outage.
2, have on the bearing on new power supply noted earlier hurdle and allow the stop bit wall of railless electric car current collector positioning roller positioning and rolling, energizing key to touch by face be the part of this stop bit wall.
3, on the adjacent bearing on new power supply noted earlier hurdle middle connecting plate is arranged, the edge of connecting plate during energizing key is installed in; Energizing key is successively by being installed in one on bearing cover push rod, lever, connecting rod and the combination of energising drag-line, connects and makes the electrical switch closes energising; There is the insurance card that is installed on the middle connecting plate on the energizing key side.
4, the electric switch on new power supply noted earlier hurdle by shell, non-conductive bed plate, feedback lead-in wire touch panel, touch line touch panel, pendulum plate and pendulum integrated circuit board etc. and form, the pendulum plate is connecting the energising drag-line, there is the outage pull bar on pendulum integrated circuit board next door, and the outage card is arranged on the outage pull bar; On the hinge as pendulum plate swing fulcrum, be with torsion spring; On the hinge as pendulum integrated circuit board swing fulcrum, be with torsion spring; The pendulum touch panel that same hinge is installed, swings synchronously below the pendulum plate is equipped with compression spring between pendulum plate and the pendulum touch panel.
5, the cutout relay on new power supply noted earlier hurdle is a kind of mechanical timer with spring force, and the timer main driving axle is fixedly connected with driver plate, and driver plate and outage pull bar are in transmission connection.
The railless electric car is subjected to the electric pole other positioning roller of slide block that powers on, and touches one by one from back to front by above-mentioned each energizing key with the car that travels, and makes each section of high voltage touch that the line electric switch is closed one by one from back to front switches on; Under the time-lag action of cutout relay, make each section of high voltage touch the line electric switch and switch on one by one from back to front and promptly opened outage in about three seconds one by one automatically.General car is crossed less than outage in two seconds, and naughty child or low homo sapiens go to side, power supply hurdle and put in the possibility that narrow slit goes to touch electricity in the hurdle with hand or Metallic rod exactly equals zero from the roadside.Not when car is powered, it is all not charged that whole piece power supply hurdle touches line.
For guaranteeing that above-mentioned electric switch has sufficiently long service life, important measures that each electrical switch closes process no current is passed through have been taked: the position of correctly having selected to install energizing key, with its be installed in join on certain section bearing after touching the end of a thread end, accomplish that railless electric car electricity slide block is about to arrive certain section high voltage and touches before the line, the energizing key that this section touches line just allows the other positioning roller of electric slide block finish by touching, promptly this section touch line electric switch just closure finish.
Owing to correctly selected to install the position of energizing key, owing to the time-lag action (generally selected about three seconds) of cutout relay, above-mentioned each electric switch generally also is that no current passes through at opening procedure again.Generally get less than six meters because each of high voltage section insulation connects the length of contact wire, railless electric car electricity slide block is general only with one second or still less the time is touched line with regard to having crossed wherein any section; Electricity slide block one mistake, this section is touched the line electric switch and has been passed through with regard to no current at opening procedure.If the speed of a motor vehicle less than about 7.2 kms/time, electric slide block has not been crossed this and has been touched line, its electric switch is just opened, though have little electric current by (because of the speed of a motor vehicle little), and this situation is few, and electric switch is influenced not quite service life.
Description of drawings
The invention is by providing with next embodiment and accompanying drawing thereof.
Fig. 1 is that this embodiment touches the cross section view at line electric switch place at it.
Fig. 2 is that this embodiment is in the cross section view of touching line energizing key and push rod thereof, lever place.
Fig. 3 is that the A of Fig. 2 is to partial view.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5 is that this embodiment is at the vertical section cutaway view that touches line energizing key and push rod thereof, lever place.
Fig. 6 is the C-C cutaway view of Fig. 5.
Fig. 7 is that this embodiment touches the vertical section cutaway view at line electric switch place at it.
Fig. 8 is the D-D cutaway view when opening (it touches the line electric switch) of Fig. 7.
Fig. 9 is the view of electric switch shown in Figure 8 when becoming closure.
Figure 10 is the E-E cutaway view of Fig. 9.
Figure 11 is this embodiment cutout relay place vertical section part sectional view (cutout relay does not cut open).
Figure 12 is the F-F part sectional view of Figure 11.
Above-mentioned each accompanying drawing all is that each element size proportionate relationship is near actual assembly drowing.
The specific embodiment
By Fig. 1,7 as seen, present embodiment have give 15 moving contacts of railless electric car electricity slide block touch line 10 and bearing 21 thereof, bearing 21 in a row is installed on the road ground, is positioned to touch line 10 tops, has to be contained in to touch line lid 11 on the bearing 21; Be positioned at the below that high voltage touches line 10, the baffle plate 9 that is contained on the bearing 21 is arranged; Feeder line 1 is arranged in the bearing 21, also have with feeder line 1 with touch the feedback that line 10 is connected and go between 6; As shown in Figure 6, to touch line 10 be that segmentation disconnects the insulation bonded assembly to high voltage in the power supply hurdle, is with adjacent line 10 bonded assemblys that insulate that touch in front and back with Insulated pliers 16; These high voltages touch line 10 for every section a coupled feedback lead-in wire 6, every section of high voltage is touched between line 10 and the feedback lead-in wire 6, be by electric switch 12 be connected folder and 14 come bonded assembly (seeing Fig. 7,8), electric switch 12 is installed on the bearing 21 by electric switch frame 13; High voltage touches line 10 for every section has an energizing key 27 to be installed in (see figure 2) on the bearing 21, to control the closure energising that this section touches the electric switch 12 of line 10; Every section of high voltage touches line 10 respectively to be also had a cutout relay 53 to be installed on the bearing 21 (to see Figure 11), with control this section touch line 10 electric switch 12 open outage.Positioning roller 19 under the car electricity slide block 15 that travels touches from back to front one by one by each energizing key 27, and drive cutout relay 53 makes each section of high voltage touch line on-delay outage in about three seconds one by one from back to front.Like this, touch line 10, nothing after car travels and has electricity, car to spend about two seconds for any one section when the side.When car stopped touching for a long time line 10 nothing electricity, need reach automobile-used other energy nearest energizing key 27 is depressed, and car just can just be used power supply hurdle electricity always and travel.
For make energizing key 27 with easily by the middle control of travelling of railless electric car, as shown in Figure 2, have on the present embodiment bearing 21 to allow the stop bit wall 7 of railless electric car current collector positioning roller 19 positioning and rollings, energizing key 27 to touch by face be the part of this stop bit wall 7.
In order to make energizing key 27 can reach above-mentioned effect and convenient the installation, shown in Fig. 2,3,4,5,6, middle connecting plate 8 is arranged on the adjacent bearing 21, the edge and sloping desk 20 tops of connecting plate 8 during energizing key 27 is installed in by its hinge 32; Energizing key 27 is successively by being installed in push rod 26 on the bearing 21, lever 22, connecting rod 23, lever 34 and energising drag-line 35, connects and makes electric switch 12 closed energisings.The fulcrum of lever 22 is on its support 25, and the fulcrum of lever 34 is on its support 24.In order to have prevented that the people from disorderly touching mis-use breakdown, there is the insurance card 30 that is installed on the middle connecting plate 8 on energizing key 27 sides.As shown in Figure 3, energizing key 27 by the people from horizontal direction when touching, the card 30 that is insured blocks and is inoperative; Below the railless electric car electricity slide block 15 with push rod 17 (see figure 1)s that linked to each other by electric pole 18, travel when touching safety lever 29 shown in Fig. 3,4 with car, safety lever 29 drives the hinge 31 of captiveing joint with insurance card 30 and rotates an angle, immediately, energizing key 27 is just depressed by electric slide block 15 following positioning rollers 19 and is worked.After positioning roller 19 was pass by, insurance card 30 made energizing key 27 recover position as shown in Figure 3 under the effect of spring 33.In order to reduce wear, insurance card 30 head ends are equipped with roller 28.
For safe and reliable and easy for installation with manufacturing, shown in Fig. 8,9,10, electric switch 12 by shell 45, non-conductive bed plate 47, feedback lead-in wire touch panel 46, touch line touch panel 43, pendulum plate 39 and pendulum integrated circuit board 40 etc. and form, pendulum plate 39 is connecting energising drag-line 35, there is outage pull bar 38 on pendulum integrated circuit board 40 next doors, and outage card 42 is arranged on the outage pull bar 38; On the hinge as pendulum plate 39 swing fulcrums, be with torsion spring 44; On the hinge as pendulum integrated circuit board 40 swing fulcrums, be with torsion spring 51; Pendulum is equipped with same hinge, pendulum touch panel 50 (see figure 10)s of swing synchronously below the plate 39, between pendulum plate 39 and the pendulum touch panel 50 compression spring 49 is housed, like this when energising, and feedback lead-in wire touch panel 46 and touch line touch panel 43 and put touch panel 50 and can well contact.Fig. 8,9 has represented the state of electric switch 12 before and after the closure energising respectively, and before and after energizing key 27 was depressed, energising drag-line 35, articulated bracket 41, outage drag-line 37, outage pull bar 38, outage card 42, pendulum plate 39 and the position of pendulum integrated circuit board 40 all were different.As shown in Figure 8, feedback lead-in wire touch panel 46 and touch line touch panel 43 and do not pressed and no power by pendulum touch panel 50 (see figure 10)s by pendulum plate 39 jointly; Shown in Fig. 9,10, under torsion spring 51 effect, the roller 48 of pendulum integrated circuit board 40 makes pendulum plate 39 motionless, feedback lead-in wire touch panel 46 and touch line touch panel 43 and kept pressing switching on by pendulum touch panel 50 by pendulum plate 39 jointly; At this moment the outage card 42 on the pull bar 38 draws and touches pendulum integrated circuit board 40 if cutout relay 53 will cut off the power supply, roller 48 on the pendulum integrated circuit board 40 will leave pendulum plate 39,39 of plates of pendulum return to position shown in Figure 8 under the application force of its torsion spring 44, promptly electric switch 12 returns to and opens off-position.
Shown in Figure 11,12, present embodiment cutout relay 53 is a kind of mechanical timers with spring force, and it is installed on the support 52, and its main driving axle 54 is fixedly connected with driver plate 55, and driver plate 55 is connected with outage pull bar 38.Obviously, the power of cw pulling driver plate 55 is successively from car positioning roller 19, energizing key 27, push rod 26, lever 22, connecting rod 23, lever 34, outage drag-line 37, outage pull bar 38 and driver plate 55.Like this, as long as set this timer time-delay three seconds, when driver plate 55 conter clockwises return, just can draw and touch pendulum integrated circuit board 40, thereby make electric switch 12 get back to the off-position of opening shown in Figure 8 in electric switch 12 closed on-delay i.e. drive outage in three seconds card 42 (see figure 9)s.
The feeder line 1 of present embodiment has two kinds of installation methods: one, as shown in Figure 1, feeder line 1 is installed on the road ground under the bearing 21 and with feeder line lid 2 and covers, and with bolt feeder line lid 2 is fixed with road ground; Two, as shown in Figure 5, it is underground earlier pipe 36 to be embedded in road, feeder line 1 is interted in this pipe 36 again.
The feeder line 1 of present embodiment is connected shown in Fig. 1,7 with feedback lead-in wire 6, and the two joint 4 is insulated cover 5 and wraps, and is fixed with adapter sleeve 3 on the feeder line lid 2, by adapter sleeve 3 insulation sleeve 5 is connected with feeder line lid 2.Like this, Luo Lu joint 4 has obtained the good insulation protection.

Claims (5)

1. the power supply hurdle that uses during a railless electric car travels, wherein be equipped with give the moving contact of railless electric car electricity slide block (15) touch line (10) and bearing (21) thereof, bearing (21) in a row is installed on the road ground; Feeder line (1) is arranged in the bearing (21), have with feeder line (1) with touch the feedback lead-in wire (6) that line (10) is connected; To touch line (10) be the segmentation bonded assembly that disconnect to insulate to high voltage in the power supply hurdle, these high voltages touch line (10) for every section a coupled feedback lead-in wire (6), it is characterized in that: every section of high voltage is touched between line (10) and the feedback lead-in wire (6), be to come bonded assembly by electric switch (12), electric switch (12) is installed on the bearing (21); High voltage touches line (10) for every section has an energizing key (27) to be installed on the bearing (21), touches the closure energising of the electric switch of line (10) (12) to control this section; High voltage touches line (10) for every section and respectively also has a cutout relay (53) to be installed on the bearing (21), touches the outage of opening of the electric switch of line (10) (12) to control this section.
2. the power supply hurdle that uses during railless electric car according to claim 1 travels, it is characterized in that: have on the bearing (21) to allow the stop bit wall (7) of railless electric car current collector positioning roller (19) positioning and rolling, energizing key (27) to touch by face be the part of this stop bit wall (7).
3. the power supply hurdle that uses during railless electric car according to claim 1 and 2 travels, it is characterized in that: middle connecting plate (8) is arranged on the adjacent bearing (21), and energizing key (27) is installed in the edge of middle connecting plate (8); Energizing key (27) is successively by being installed in push rod (26) on the bearing (21), lever (22), connecting rod (23), lever (34) and energising drag-line (35), connects and makes the closed energising of electric switch (12); There is the insurance card (30) that is installed on the middle connecting plate (8) on energizing key (27) side.
4. the power supply hurdle that uses during railless electric car according to claim 1 and 2 travels, it is characterized in that: electric switch (12) by shell (45), bed plate (47), feedback lead-in wire touch panel (46), touch line touch panel (43), pendulum plate (39) and put integrated circuit board (40) etc. and form, pendulum plate (39) is connecting energising drag-line (35), there is outage pull bar (38) on pendulum integrated circuit board (40) next door, and outage card (42) is arranged on the outage pull bar (38); On the hinge as pendulum plate (39) swing fulcrum, be with torsion spring (44); On the hinge as pendulum integrated circuit board (40) swing fulcrum, be with torsion spring (51); The pendulum touch panel (50) of same hinge is installed below the pendulum plate (39), swinging synchronously is equipped with compression spring (49) between pendulum plate (39) and the pendulum touch panel (50).
5. the power supply hurdle that uses during railless electric car according to claim 4 travels, it is characterized in that: cutout relay (53) is a kind of mechanical timer with spring force, its main driving axle (54) is fixedly connected with driver plate (55), and driver plate (55) is connected with outage pull bar (38).
CN200910113906A 2009-03-06 2009-03-06 Power-supply bar used in process of driving of trackless electric vehicle Pending CN101823437A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910113906A CN101823437A (en) 2009-03-06 2009-03-06 Power-supply bar used in process of driving of trackless electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910113906A CN101823437A (en) 2009-03-06 2009-03-06 Power-supply bar used in process of driving of trackless electric vehicle

Publications (1)

Publication Number Publication Date
CN101823437A true CN101823437A (en) 2010-09-08

Family

ID=42687671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200910113906A Pending CN101823437A (en) 2009-03-06 2009-03-06 Power-supply bar used in process of driving of trackless electric vehicle

Country Status (1)

Country Link
CN (1) CN101823437A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097536A (en) * 2013-04-11 2014-10-15 陈辉 Power supply equipment for charging electromobiles
CN104097537A (en) * 2013-04-11 2014-10-15 陈辉 Power supply equipment for charging electromobiles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104097536A (en) * 2013-04-11 2014-10-15 陈辉 Power supply equipment for charging electromobiles
CN104097537A (en) * 2013-04-11 2014-10-15 陈辉 Power supply equipment for charging electromobiles

Similar Documents

Publication Publication Date Title
CN105339203B (en) Protection equipment for electric vehicle
CN105539159B (en) A kind of orbital motor car of abdomen rail power supply
CN201419704Y (en) Wide-body high-frame trolley bus
CN107089146A (en) Cutter groove formula new-energy automobile
Rufer Energy storage for railway systems, energy recovery and vehicle autonomy in Europe
CN109826530B (en) Single-door control integration of tramcar
KR20110089374A (en) Transport system capable of recharging vehicles while in motion
CN101092114A (en) Running method and equipment of electric automobile of superior plate
CN101774355A (en) Rail transportation system powered by solar energy
CN105573165A (en) Intelligent protection control system for platform door potential abnormality and protection method thereof
CN102120459A (en) High-frame wide-body electric vehicle and on-off device and quick escape system thereof
CN101693444A (en) Urban global electric bus system formed by serial trolley line station section and limitless bus
CN104097531A (en) Highway for long-distance traveling of electric car
CN101823437A (en) Power-supply bar used in process of driving of trackless electric vehicle
CN101927705A (en) Wide-body elevated car
CN204401519U (en) A kind of Novel road guardrail cleaning machine
CN102050034A (en) Trackless electric automobile and road surface power supply contact line thereof
CN201881922U (en) Energy-storage road surface power supply device for driving vehicles
CN207156867U (en) A kind of combined tractor of battery
CN102189942B (en) Magnetic force self-absorption wireless relay type electric conduction system
CN201362826Y (en) Automatic control traffic safety guardrail in pedestrian crossing
CN201587336U (en) Trackless electric vehicle and road surface power supply contact line thereof
CN102050033A (en) Railless electric vehicle and roadway power supply contact line thereof
CN105904993A (en) Airplane undercarriage type highway automatic charging system of new-energy automobile
CN111086416B (en) Power supply system for metro trolley with sectional current-giving through touch of ground groove

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20100908