CN204161133U - A kind of intelligent current collecting system - Google Patents
A kind of intelligent current collecting system Download PDFInfo
- Publication number
- CN204161133U CN204161133U CN201420555711.0U CN201420555711U CN204161133U CN 204161133 U CN204161133 U CN 204161133U CN 201420555711 U CN201420555711 U CN 201420555711U CN 204161133 U CN204161133 U CN 204161133U
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- trolley head
- conductive trough
- charging
- electric car
- current collector
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Abstract
The utility model relates to a kind of intelligent current collecting system, comprises pantagraph current collector, conductive trough, automation control system, other accessory devices, and pantagraph current collector comprises bracing frame, guide rail, slide unit, pre-rising bow driving device, storage tank, electric cabinet, drag chain, driver train.Pre-rising bow driving device comprises cylinder, tooth bar, gear, pivot arm, coupler, trolley head parts, and integral installation is on slide unit.Trolley head is arranged on the top of pivot arm by coupler, and conductive trough is packed in above parking stall, station on top ceiling, longitudinally elongated, horizontal in door font.Automation control system, by obtaining the status signal of pantagraph current collector system self, the status signal of electric car and control signal, the mode of operation of function unit, also gives electric car control box feeding back charging status information simultaneously.Other accessory devices comprise registration device, it is fastening to connect and disconnecting gear and charging detect fender guard.The utility model possesses the beneficial effect that intelligence degree is high, process of charging is quick, overall security is good.
Description
Technical field
The utility model relate to fast charge by Flow Technique field, particularly relate to the current collecting system of a kind of city electric bus super capacitor fast charging.
Background technology
City electric bus (hereinafter referred to as electric car) has without plurality of advantages such as discharge, low noise, environment-friendly types, thus enjoys great popularity.Existing power supply mode can be divided into conventional accumulators to power and powered two kinds of overhead contact wire.For conventional accumulators power supply mode, because electric current during charging can not be enough large, often whole process of charging seems too slow, and each charging duration about needs 7 ~ 8h, and can only carry out in some fixing battery-charging station or bus terminus, thus cannot realize continuous operation.For overhead contact wire electric means, circuit whole process can be subdivided into again continue powered and bus stop (hereinafter referred to as station) and stand interior powered two kinds, the former be by its circulation line above built on stilts contact wire come, thus bring the problems such as visual pollution, manoevreability is poor, service expenditure is high; The contact wire of the latter is not set up above circulation line, and only sets up in station, station along the line, vehicle configuration super capacitor, although its charge/discharge rates is very fast, but travelled distance is very short continuously, need adopt charging modes of often standing, namely will give Vehicular charging at each bus stop.
Find through the Searches of Patent Literature, be applied at present on electric car and be made up of a simple support and two exposed wires to the device of super capacitor charging, when need charge, support is raised on the charging unit on station platform top, after charging complete, by manually support being fallen.Although this device structure is simple, need manual operation, wire is outside exposed in addition, and therefore safety is very low, and the charging valtage of this mode can not be too high.Such as, a kind of overall structure of super electric capacity quick-charging type bus is disclosed in Chinese invention patent specification sheets CN1751910A, description like this is carried out to its current collecting system: in electric bus bus stop, passenger getting on/off time, scalable pantograph is stretched out waiting station charge power supply of charging with electric car of public traffic and is touched line and dock, with big current to the charging of super capacitor group, electric energy supplement, charging terminates rear scalable pantograph and regains, thus keeps electric car of public traffic continuous running in whole service circuit.Although this structure has charging row and pantograph structure simply, is easily processed; Process of charging does not have too many control flow, the comparatively easy advantage of operation or control, but has the following disadvantages simultaneously: joint exposes, no matter be charging row or pantograph, fragile; Charging row is in electriferous state always, and outside being exposed to, even if be erected at 5 meters of eminences, also there is potential safety hazard; Pantograph does not have fastening with the connection of arrange of charging, and this is suitable under current charging current condition, but will be no longer applicable for larger charging current, be not suitable with capacity of cell more greatly, charging rate scheme faster.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned defect, provides one to realize high pressure (720V) big current (800A) full automaticity fast charge and can adapt to the intelligent current collecting system that outdoor complex environment locates adjustment automatically.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of intelligent current collecting system, comprise pantagraph current collector 1, conductive trough 2, automation control system and other accessory devices, pantagraph current collector 1 comprises bracing frame 11, guide rail 12, slide unit 13, pre-rising bow driving device 14, storage tank 15, electric cabinet 16, drag chain 17, driver train 18, wherein, bracing frame 11 is arranged on electric car top, guide rail 12 is fixed on bearing support 11, slide unit 13 is located on guide rail 12, control to move in parallel along guide rail 12 by driver train 18, pre-rising bow driving device 14 comprises horizontal sliding cylinder 141, tooth bar 142, gear 143, pivot arm 144, coupler 145, trolley head 146, vertical cylinder 147, integral installation is on slide unit 13, horizontal sliding cylinder 141 is connected with tooth bar 142, gear 143 engages with tooth bar 142, driven rotary arm 144 swings, trolley head 146 is arranged on the end of pivot arm 144 by coupler 145, by vertical cylinder 147, trolley head is pushed in conductive trough 2.Conductive trough 2 is packed in above parking stall, station on top ceiling, and longitudinally elongated, horizontal in door font, top is provided with far infrared transceiver 23, charging allows sensor 24 and earthing pole 25, and lower grooves both sides inwall studs with positive electrode 21, negative potential 22.Automation control system, by obtaining the status signal of pantagraph current collector system self, the status signal of electric car and control signal, the mode of operation of function unit, gives electric car control box feeding back charging status information simultaneously.Other accessory devices comprise registration device, connect fastening and disconnecting gear.
As one of further improvement project, trolley head 146 is in cuboid, and top is provided with infrared receiver 1463, charging allows sensor 1464 and earthing pole 1465, and the left and right sides studs with positive electrode 1461, negative potential 1462.
As one of further improvement project, registration device comprises the enter the station horizontal cross of location and trolley head 146 and conductive trough 2 of electric car and locates.The first embodiment for located lateral adopts infrared detection to carry out butt junction location, when pantagraph current collector 1 senses that electric car enters the station, first pre-rising bow completes, then the position of conductive trough 2 is detected by infrared ray, trolley head 146 is guided correctly to aim at conductive trough 2, promote trolley head 146 by vertical cylinder 147 again and complete rising bow action, trolley head 146 is correctly inserted in conductive trough 2, and the positive electrode 1461 of trolley head 146 is contacted well with conductive trough with negative potential 1462.The second embodiment for located lateral adopts video images detection to carry out butt junction location, when pantagraph current collector 1 senses that electric car enters the station, roof video image is obtained by the camera be contained on pantagraph current collector 1, by automation control system, video image is identified, guide trolley head 146 correctly to aim at conductive trough 2, complete rising bow action.
As one of further improvement project, connect fastening and disconnecting gear and be arranged on respectively on trolley head 146 and conductive trough 2.
The utility model possesses following beneficial effect
:
(1) intelligence degree is high.Native system uses location and driving device to realize the docking of charging connector, can realize automatic aligning charging, in addition, also can carry out M/C without the need to manual intervention.
(2) process of charging is quick.For adapting to larger charging current, also comprise the securing device of joint in native system, the contact of electrode and fastening when guaranteeing to charge, can carry out fast charge, substantially reduce charging production time under high pressure 720V condition.
(3) overall security is good.Owing to there is no exposed high-voltage conducting wires, encapsulation process has also been done to charging connector, and action of charging using control signal to control, making conductive trough only just start charging when receiving charging signals, therefore, the overall security of system obtains and increases substantially.
Accompanying drawing explanation
Fig. 1 is the longitudinal schematic diagram of prior art super electric capacity quick-charging type bus current collecting system.
Fig. 2 is the horizontal schematic diagram of prior art super electric capacity quick-charging type bus current collecting system.
Fig. 3 is longitudinal schematic diagram of the utility model intelligence current collecting system chopper bar state.
Fig. 4 is longitudinal schematic diagram of the utility model intelligence current collecting system pre-rising bow state.
Fig. 5 is that the contact of the utility model intelligence current collecting system is by the horizontal schematic diagram of stream mode.
Fig. 6 is the electrical connection block diagram of the utility model intelligence current collecting system.
Fig. 7 is the state control process block diagram of the utility model intelligence current collecting system trolley head.
Fig. 8 is the utility model intelligence current collecting system electric current device rough package drawing.
Fig. 9 is the utility model intelligence current collecting system conductive trough transversary schematic diagram.
Figure 10 is the utility model intelligence current collecting system pre-rising bow driving device composition schematic diagram.
Figure 11 is the utility model intelligence current collecting system trolley head structural representation.
Figure 12 is the utility model intelligence current collecting system registration device schematic diagram.
Figure 13 is the utility model intelligence current collecting system pantagraph current collector schematic circuit diagram.
Figure 14 is the utility model intelligence current collecting system fabrication processing figure.
Detailed description of the invention
Below in conjunction with accompanying drawing, prior art and detailed description of the invention of the present utility model are described further.
As shown in Fig. 1 ~ 2, a kind of structure composition of super electric capacity quick-charging type bus current collecting system is disclosed in Chinese invention patent specification sheets CN1751910A, comprise scalable pantograph 5, charging waiting station charge power supply touches line 10, charging waiting station support 11 and charging waiting station support insulator 12, at electric bus bus stop, the passenger getting on/off time, scalable pantograph 5 is stretched out waiting station charge power supply of charging with electric car of public traffic and is touched line 10 and dock, charge to super capacitor group with big current, electric energy supplement, charging terminates rear scalable pantograph 5 and regains, thus keep electric car of public traffic continuous running in whole service circuit.
As seen in figures 3-5, the utility model intelligence current collecting system comprises pantagraph current collector 1, conductive trough 2, automation control system and other accessory devices.Native system has three actions: trolley head is connected with conductive trough; Conductive trough is charging electric car by pantagraph current collector, and trolley head and conductive trough depart from.After entering the station for making electric car, whole process of charging automatically, safely, efficiently; also comprise in current collecting system: for trolley head provides the driving device of lifting; for trolley head and conductive trough provide the registration device of butt junction location; in order to charge, safety provides the connection of protection fastening and disconnecting gear, and provides controls, detections, state of the system storage and status information to show the automation control system of functions such as uploading for all automation processs.Pantagraph current collector has three kinds of states, and wherein, Fig. 3 is that pantagraph current collector is in chopper bar state, and correspondingly electric car is in the normal operating condition between two stations; Fig. 4 is that pantagraph current collector is in pre-rising bow state, and correspondingly electric car is in close to station until stop prepare charge condition; Fig. 5 is that pantagraph current collector is in contact by stream mode, and correspondingly electric car super capacitor is in quick-charge state.
As shown in figs. 6-7, be the utility model intelligence electrical connection block diagram of current collecting system and the state control process block diagram of trolley head.The communication of pantagraph current collector and electric car adopts CAN mode, the contraposition of trolley head and conductive trough and communicate and adopt infrared ray, microwave or image recognition mode.Conductive trough is equipped with infrared transmitting device, and when electric car enters the station, pantagraph current collector detects this signal, and the robot control system(RCS) in electric cabinet sends cylinder operation instruction, and the action of pre-rising bow driving device, carries out pre-rising bow by trolley head.After control system detects electric car danger signal, by detecting the infrared signal of conductive trough, controlling slide unit and moving to below conductive trough, carrying out the located lateral of trolley head.After receiving the charge permission signal sent from electric car control box, trolley head stretches in conductive trough under rising bow action, combines closely with conductive trough, and conductive trough power transmission is charged.After receiving the charging completion signal sent from electric car control box, pantagraph current collector stops charging, and trolley head declines and departs from conductive trough, then under the effect of pre-rising bow driving device, is in and falls arciform state, and electric car prepares startup and sails out of station.
As shown in Figure 8, pantagraph current collector 1 comprises bearing support 11, guide rail 12, slide unit 13, pre-rising bow driving device 14, storage tank 15, electric cabinet 16, drag chain 17, driver train 18, wherein, bearing support 11 is arranged on electric car top, guide rail 12 is fixed on bearing support 11, slide unit 13 is located on guide rail 12, and control to move in parallel along guide rail 12 by driver train 18, the integral installation of pre-rising bow driving device 14 is on slide unit 13.
As shown in Figure 9, conductive trough 2 is packed in above parking stall, station on top ceiling, and be equivalent to a battery socket, longitudinally elongated, horizontal is door font.Top is provided with position transduser 23, charging allows sensor 24 and earthing pole 25, and below band groove, groove both sides inwall studs with positive electrode 21, negative potential 22, and charging current is more than 900A.
As shown in Figure 10, pre-rising bow driving device 14 comprises horizontal sliding cylinder 141, tooth bar 142, gear 143, pivot arm 144, coupler 145, trolley head 146, vertical cylinder 147, integral installation is on slide unit 13, horizontal sliding cylinder 141 is connected with tooth bar 142, gear 143 engages with tooth bar 142, driven rotary arm 144 swings, trolley head 146 is arranged on the end of pivot arm 144 by coupler 145, be pushed in conductive trough 2 by vertical cylinder 147 by trolley head, coupler 145 plays and makes the automatically reset effect of trolley head.Pre-rising bow driving device by horizontal sliding cylinder trolley head is transitioned into by horizontal direction vertically to erect, trolley head aligns with conductive trough by slide unit transverse translation, stretched in conductive trough by trolley head by the rising bow action of vertical cylinder, and the reverse withdrawal action of above-mentioned three actions.Erect and use Pneumatic extension connecting rod with lifting action, connect the pressurized air in storage tank, by robot control system(RCS) control realization; Transverse translation by gear transmission by servomotor, is cooperated by robot control system(RCS) and horizontal positioning device and realizes.Wherein, cross travel 15000mm, complete lifting heights 7000mm.
As shown in figure 11, trolley head is cuboid, is equivalent to a plug, and top is provided with position transduser, charging allows sensor and earthing pole, and the left and right sides studs with positive electrode, negative potential, and charging current is more than 800A.After stretching into conductive trough, electric car power supply energy storage section is connected with conductive trough power pack.
Automation control system is by obtaining the status signal of pantagraph current collector system self, the status signal of electric car and control signal, the mode of operation of all parts of control system, also give electric car control box feeding back charging status information simultaneously, remind or limit the operation of electric car, avoid accident to occur.Control signal mainly contains: home signal, located lateral signal, electromagnetic valve of gas circuit control signal, motor control signal, electric signal, separating signal; Electric car status signal mainly contains: traction electric machine working signal, electric car speed signal, gate inhibition's signal, manual control signal.
Other accessory devices comprise registration device, connect fastening and disconnecting gear.
As shown in figure 12, registration device comprises enter the station location and the horizontal cross of trolley head and conductive trough of electric car and locates.Electric car enters the station to locate and uses infrared fan beam signal, installation infrared signal generation apparatus in conductive trough, continues to transmit towards electric car direction of entering the station, is received by the infrared signal receiving apparatus of roof trolley head, and pass to robot control system(RCS), start the pre-rising bow action of trolley head.From the period receiving home signal and stop to electric car, should be able to ensure that driving device can complete pre-rising bow action.With electric car vehicle commander 9m, enter the station speed 20km/h, reduce speed now from station 5m, the parking of stopping distance 14m is example, parking duration is 5 seconds, namely electric car obtains home signal from during the infrared generator 10m of station, and driving device rises action in advance and completed in 5 seconds and rise action in advance, and home signal reserves third party signalling source interface.The horizontal cross of trolley head and conductive trough is located and is used infrared straight line multiple spot grating, top ceiling place dress grating signal generating means above platform parking stall, launch (see figure 6) vertically downward, received by roof infrared receiving device, by signal transmission to automation control system, control servomotor by automation control system and drive trolley head transverse shifting.Infrared sources: fan beam, propagation distance is more than 10m.
The horizontal cross of trolley head and conductive trough is located and video images detection also can be adopted to carry out butt junction location, when pantagraph current collector senses that electric car enters the station, trolley head has completed pre-rising bow state, starts this mode of operation.Obtained the video image of roof by the camera be contained on pantagraph current collector, by the automation control system of pantagraph current collector, video image is identified, correctly find the position of conductive trough, thus guide trolley head to be correctly linked in conductive trough, and carry out the work such as charging.
Connect fastening and disconnecting gear to be arranged on respectively on trolley head row and conductive trough.Main Function is: when trolley head stretches into conductive trough charging, conductive trough will clamp trolley head, makes positive and negative electrode good contact; When conductive trough receives signal, or when trolley head has a contractive action, conductive trough is separated with trolley head, when trolley head reclaims, can not cause mechanical damage to conductive trough.
As shown in figure 13, the utility model intelligence current collecting system pantagraph current collector schematic circuit diagram.When home signal receptor receives infrared home signal, by entering the station, sensor sends home signal; After electric cabinet receives home signal, send out position signal to cylinder, cylinder action, carry out the pre-rising bow of trolley head; After arriving assigned address by cylinder location signal detection to pre-rising bow, then detect conductive trough position signal, then the servo started on slide unit controls the distance of slide unit movement, coordinates conductive trough position signal, trolley head is aimed at the position of conductive trough; After electric cabinet receives charge permission signal, control trolley head rising bow by cylinder location signal to put in place, trolley head is contacted with conductive trough well, to charging electric car, meanwhile, process of charging is monitored by current sensor signal, voltage sensor signals and charge permission signal feedback; Electric cabinet receives charging when not allowing, and stops charging; Finally, by cylinder location signal control trolley head chopper bar, get back to initial condition, complete whole by electric process.
As shown in figure 14, the technical process making the utility model intelligence current collecting system comprise get the raw materials ready, the welding of electric cabinet mainboard with debugging, the operation such as conductive trough assemble, slide unit assembles, trolley head assemble welding, in advance rising bow driving device assemble, final assembly, trail run, inspection, warehouse-in and packaging are dispatched from the factory.
The utility model is not limited to above-mentioned embodiment, in the ken that art those of ordinary skill possesses, can also make various change under the prerequisite not departing from present inventive concept.
Claims (6)
1. an intelligent current collecting system, comprises pantagraph current collector (1), conductive trough (2), automation control system, other accessory devices, it is characterized in that:
A, described pantagraph current collector (1) comprises bracing frame (11), guide rail (12), slide unit (13), pre-rising bow driving device (14), storage tank (15), electric cabinet (16), drag chain (17), driver train (18), wherein, bracing frame (11) is arranged on electric car top, guide rail (12) is fixed on bearing support (11), slide unit (13) is located on guide rail (12), control to move in parallel along guide rail (12) by driver train (18), pre-rising bow driving device (14) comprises horizontal sliding cylinder (141), tooth bar (142), gear (143), pivot arm (144), coupler (145), trolley head (146), vertical cylinder (147), integral installation is on slide unit (13), horizontal sliding cylinder (141) is connected with tooth bar (142), gear (143) engages with tooth bar (142), driven rotary arm (144) swings, trolley head (146) is arranged on the end of pivot arm (144) by coupler (145), is pushed in conductive trough (2) by vertical cylinder (147) by trolley head,
B, described conductive trough (2) to be packed in above parking stall, station on top ceiling, longitudinally elongated, horizontal in door font, top is provided with far infrared transceiver (23), charging allows sensor (24) and earthing pole (25), and lower grooves both sides inwall studs with positive electrode (21), negative potential (22);
C, described automation control system, by obtaining the status signal of pantagraph current collector system self, the status signal of electric car and control signal, the mode of operation of function unit, give electric car control box feeding back charging status information simultaneously;
D, other accessory devices described comprise registration device, connect fastening and disconnecting gear.
2. intelligent current collecting system according to claim 1, it is characterized in that: described trolley head (146) is in cuboid, top is provided with infrared receiver (1463), charging allows sensor (1464) and earthing pole (1465), and the left and right sides studs with positive electrode (1461), negative potential (1462).
3. intelligent current collecting system according to claim 1, is characterized in that: described registration device comprises the enter the station horizontal cross of location and trolley head (146) and conductive trough (2) of electric car and locates.
4. intelligent current collecting system according to claim 3, it is characterized in that: described trolley head (146) is located with the horizontal cross of conductive trough (2) and adopted infrared detection to carry out butt junction location, when pantagraph current collector (1) senses that electric car enters the station, first pre-rising bow completes, then the position of conductive trough (2) is detected by infrared ray, trolley head (146) is guided correctly to aim at conductive trough (2), promote trolley head (146) by vertical cylinder (147) again and complete rising bow action, trolley head (146) is made correctly to be inserted in conductive trough (2), and the positive electrode of trolley head (146) (1461) is contacted well with conductive trough with negative potential (1462).
5. intelligent current collecting system according to claim 3, it is characterized in that: described trolley head (146) is located with the horizontal cross of conductive trough (2) and adopted video images detection to carry out butt junction location, when pantagraph current collector (1) senses that electric car enters the station, roof video image is obtained by the camera be contained on pantagraph current collector (1), by automation control system, video image is identified, guide trolley head (146) correctly to aim at conductive trough (2), complete rising bow action.
6. intelligent current collecting system according to claim 1, is characterized in that: described connection is fastening to be arranged on trolley head (146) and conductive trough (2) respectively with disconnecting gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555711.0U CN204161133U (en) | 2014-09-26 | 2014-09-26 | A kind of intelligent current collecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420555711.0U CN204161133U (en) | 2014-09-26 | 2014-09-26 | A kind of intelligent current collecting system |
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| CN204161133U true CN204161133U (en) | 2015-02-18 |
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| CN201420555711.0U Withdrawn - After Issue CN204161133U (en) | 2014-09-26 | 2014-09-26 | A kind of intelligent current collecting system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325888A (en) * | 2014-09-26 | 2015-02-04 | 株洲市有博数码电气有限公司 | Intelligent current receiving system |
| CN104859455A (en) * | 2015-06-16 | 2015-08-26 | 南车株洲电力机车有限公司 | Current collecting head device |
| CN106696714A (en) * | 2016-12-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charging bow system for electric vehicle |
| CN107054098A (en) * | 2017-06-06 | 2017-08-18 | 中车株洲电力机车有限公司 | A kind of pantagraph current collector lowering or hoisting gear |
| CN108775860A (en) * | 2018-05-10 | 2018-11-09 | 深圳精智机器有限公司 | A kind of charging testing agency |
| CN108944460A (en) * | 2018-07-09 | 2018-12-07 | 南京兴鼎升电气设备有限公司 | A kind of automatic lifting bow devices and methods therefor of network-control |
| CN110626216A (en) * | 2018-06-25 | 2019-12-31 | 比亚迪股份有限公司 | Charging device for railway vehicle and railway traffic system with same |
| CN111186304A (en) * | 2018-11-15 | 2020-05-22 | 郑州宇通客车股份有限公司 | Trolley bus wiring control method and device and trolley bus |
| WO2020211100A1 (en) * | 2019-04-14 | 2020-10-22 | 重庆陈氏清洁服务有限公司 | Direction control device for a vehicle capable of receiving power during traveling, and vehicle |
| CN111959282A (en) * | 2020-08-10 | 2020-11-20 | 中车青岛四方车辆研究所有限公司 | Self-adjusting system and method of double-power pantograph for trackless electric truck |
-
2014
- 2014-09-26 CN CN201420555711.0U patent/CN204161133U/en not_active Withdrawn - After Issue
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325888B (en) * | 2014-09-26 | 2016-06-08 | 株洲市有博数码电气有限公司 | A kind of intelligent current collecting system |
| CN104325888A (en) * | 2014-09-26 | 2015-02-04 | 株洲市有博数码电气有限公司 | Intelligent current receiving system |
| CN104859455A (en) * | 2015-06-16 | 2015-08-26 | 南车株洲电力机车有限公司 | Current collecting head device |
| CN106696714A (en) * | 2016-12-29 | 2017-05-24 | 青岛特来电新能源有限公司 | Charging bow system for electric vehicle |
| CN107054098A (en) * | 2017-06-06 | 2017-08-18 | 中车株洲电力机车有限公司 | A kind of pantagraph current collector lowering or hoisting gear |
| CN108775860A (en) * | 2018-05-10 | 2018-11-09 | 深圳精智机器有限公司 | A kind of charging testing agency |
| CN110626216B (en) * | 2018-06-25 | 2022-09-09 | 比亚迪股份有限公司 | Charging device for railway vehicle and railway traffic system with same |
| CN110626216A (en) * | 2018-06-25 | 2019-12-31 | 比亚迪股份有限公司 | Charging device for railway vehicle and railway traffic system with same |
| CN108944460A (en) * | 2018-07-09 | 2018-12-07 | 南京兴鼎升电气设备有限公司 | A kind of automatic lifting bow devices and methods therefor of network-control |
| CN111186304A (en) * | 2018-11-15 | 2020-05-22 | 郑州宇通客车股份有限公司 | Trolley bus wiring control method and device and trolley bus |
| WO2020211100A1 (en) * | 2019-04-14 | 2020-10-22 | 重庆陈氏清洁服务有限公司 | Direction control device for a vehicle capable of receiving power during traveling, and vehicle |
| CN111959282A (en) * | 2020-08-10 | 2020-11-20 | 中车青岛四方车辆研究所有限公司 | Self-adjusting system and method of double-power pantograph for trackless electric truck |
| CN111959282B (en) * | 2020-08-10 | 2022-03-25 | 中车青岛四方车辆研究所有限公司 | Self-adjusting system and method of double-power pantograph for trackless electric truck |
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Granted publication date: 20150218 Effective date of abandoning: 20160608 |
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