CN109466348B - Movable charging control system and method for rail power flat car - Google Patents
Movable charging control system and method for rail power flat car Download PDFInfo
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- CN109466348B CN109466348B CN201811160660.0A CN201811160660A CN109466348B CN 109466348 B CN109466348 B CN 109466348B CN 201811160660 A CN201811160660 A CN 201811160660A CN 109466348 B CN109466348 B CN 109466348B
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- 238000001514 detection method Methods 0.000 claims abstract description 57
- 238000012544 monitoring process Methods 0.000 claims abstract description 47
- 238000005192 partition Methods 0.000 claims description 27
- 230000006698 induction Effects 0.000 claims description 24
- 230000005674 electromagnetic induction Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
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- 230000009286 beneficial effect Effects 0.000 description 3
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- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/16—Devices for counting axles; Devices for counting vehicles
- B61L1/163—Detection devices
- B61L1/165—Electrical
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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
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the technical field of power supply of rail transit vehicles, and particularly provides a rail power flat car mobile charging control system and method. The track is divided into a plurality of charging subareas, each charging subarea is provided with a set of complete vehicle online detection device, a current detection device and a grouping charging control switch group, and the real-time monitoring is realized through a remote monitoring module. When the vehicle to be charged runs in the charging subarea section, the remote monitoring module controls the grouping charging control switch group of the charging subarea to control the charging subarea to switch on the primary coil alternating-current charging power supply according to the information of the vehicle on-line detection device of the charging subarea, and switches off the primary coil power supply when the vehicle leaves the charging subarea. The charging efficiency is improved, unnecessary no-load loss is reduced, and the safety of a charging area is improved.
Description
Technical Field
The invention belongs to the technical field of power supply of rail transit vehicles, and particularly relates to a mobile charging control system and method for a rail power flat car.
Background
At present, the electromagnetic induction charging technology in the technical field of wireless charging is the most common in mobile phone charging, and an electromagnetic induction charging system performs electric energy transmission in an electromagnetic coupling mode, so that the electromagnetic induction charging system has the advantages of reliability, safety and environmental friendliness, and has wide application prospects in mobile charging of rail transit and the like. Although research has been conducted on mobile charging in the field of rail transit and the like, no substantial application has been developed yet. The electromagnetic induction charging technology has the problem of high energy consumption of equipment in order to realize high-power wireless magnetoelectric conversion. As the contact distance and power of the wireless charging device increase, the loss of useless power also increases.
The mobile induction charging is a technology that an induction charging primary coil is installed in a section of an area of a track plane, an induction charging secondary coil is installed at the bottom of a vehicle, and the vehicle is charged by utilizing the alternating current electromagnetic induction principle of a transformer. In order to meet the mobile charging requirement of charging while traveling, primary coils are required to be installed on the track in the traveling range of the charging vehicle, and the primary coils of the track passing through the charging vehicle in the traveling process are all in a charged state. This requires that the primary coil lay length be much greater than the vehicle length. Taking a 30km/h running super capacitor vehicle as an example for charging 40s, a charging primary coil needs to be laid for about 300m, the length of a vehicle body is generally 16m, and a position where a charging secondary coil can be installed between trolleys of a vehicle running system is about 8m, namely the actual coupling length is only 8m, so that the charging efficiency is extremely low.
In the existing electromagnetic induction charging technology, in order to improve the charging efficiency, the primary coil and the secondary coil of the charging device are required to be relatively fixed, and the contact area ratio is maximized as much as possible; the mobile charging requires that the vehicle does not move beyond the charging range within a predetermined charging time. The charging efficiency is extremely low without taking control measures.
Disclosure of Invention
The invention aims to solve the problem of low moving charging efficiency of a rail power flat car in the prior art.
Therefore, the invention provides a rail power flat car mobile charging control system, which comprises: the system comprises an induction coil, a vehicle on-line detection device, a current detection device, a grouped charging control switch group and a monitoring module;
the induction coil comprises a secondary coil arranged at the bottom end of the rail power flat car and a primary coil arranged on the rail and corresponding to the secondary coil, and the primary coil is used for generating induction current for the secondary coil;
the vehicle online detection device is used for monitoring the position and the speed of the rail power flat car on the rail in real time;
the current detection device is used for detecting the current of the induction coil and transmitting the detected current to the monitoring module;
the grouped charging control switch group is used for controlling the power-on state and the power-off state of the induction coils of different charging subareas of the track;
the monitoring module is used for monitoring the states of the vehicle online detection device, the current detection device and the grouping charging control switch group and controlling the on or off of the grouping charging control switch group of the track of different charging subareas.
Preferably, the track includes a plurality of charging partitions, each charging partition is uniformly distributed on the track, the grouped charging control switch group includes a plurality of charging control switches, each charging partition is provided with a charging control switch and a corresponding primary coil, and the charging control switch controls the power-on state and the power-off state of the primary coil located in the same charging partition as the charging control switch.
Preferably, the vehicle online detection device comprises a plurality of wheel sensors, and each wheel sensor is used for detecting the time when the rail-powered flat car enters and leaves the charging subarea where the wheel sensor is located.
Preferably, the vehicle online detection device comprises axle counting sensors distributed at two ends of each charging zone, and each axle counting sensor is used for detecting the vehicle occupancy condition when the rail-powered flat car passes through the space between the axle counting points at two ends of the charging zone.
Preferably, a power supply and a controller are arranged on the rail power flat car, the power supply is electrically connected with the secondary coil, and the controller monitors the electric quantity of the power supply and feeds the electric quantity back to the monitoring module.
The invention also provides a rail power flat car mobile charging method, which comprises the following steps:
dividing a track in a monitoring area into a plurality of charging subareas;
when the vehicle online detection device detects that a track-free power flat car in a charging subarea is in use, the monitoring module receives a vehicle-free signal of the vehicle online detection device and controls a grouping charging control switch group of the charging subarea to be closed, and an induction coil in the charging subarea is powered off;
when the vehicle online detection device detects that a track power flat car is in a charging partition and the power supply quantity of the track power flat car is lower than a threshold value, the monitoring module controls the grouped charging control switch group of the charging partition to be turned on according to the car-presence signal and the power supply quantity signal of the vehicle online detection device, and the induction coil in the charging partition is electrified.
Preferably, the length of each charging bay is greater than the length of the rail powered flat car.
Preferably, when the rail-powered flat car drives into the charging subarea, the monitoring module receives a car signal of a wheel sensor of the charging subarea and controls a grouping charging control switch group of the charging subarea to be turned on.
Preferably, when the rail powered flat car drives into the charging zone, the monitoring module receives a car signal from the axle counting sensor of the charging zone and controls the group charging control switch group of the charging zone to be turned on.
The invention has the beneficial effects that: the invention provides a rail power flat car moving charging control system and method. The track is divided into a plurality of charging subareas, each charging subarea is provided with a set of complete vehicle online detection device, a current detection device and a grouping charging control switch group, and the real-time monitoring is realized through a remote monitoring module. When the vehicle to be charged runs in the charging subarea section, the remote monitoring module controls the grouping charging control switch group of the charging subarea to control the charging subarea to switch on the primary coil alternating-current charging power supply according to the information of the vehicle on-line detection device of the charging subarea, and switches off the primary coil power supply when the vehicle leaves the charging subarea. The charging efficiency is improved, unnecessary no-load loss is reduced, and the safety of a charging area is improved.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a mobile charging control system framework for a rail-powered flat car according to the present invention;
fig. 2 is a schematic diagram of an embodiment of a mobile charging control method for a rail-powered flat car according to the present invention;
fig. 3 is a schematic diagram of a mobile charging control method for a rail-powered flat car according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The first embodiment is as follows:
the embodiment of the invention provides a mobile charging control system of a rail power flat car, which comprises: the system comprises an induction coil, a vehicle on-line detection device, a current detection device, a grouped charging control switch group and a monitoring module;
the induction coil comprises a secondary coil arranged at the bottom end of the rail power flat car and a primary coil arranged on the rail and corresponding to the secondary coil, and the primary coil is used for generating induction current for the secondary coil;
the vehicle online detection device is used for monitoring the position and the speed of the rail power flat car on the rail in real time;
the current detection device is used for detecting the current of the induction coil and transmitting the detected current to the monitoring module;
the grouped charging control switch group is used for controlling the power-on state and the power-off state of the induction coils of different charging subareas of the track;
the monitoring module is used for monitoring the states of the vehicle online detection device, the current detection device and the grouping charging control switch group and controlling the on or off of the grouping charging control switch group of the track of different charging subareas.
It can be seen that the rail powered flatcar, i.e., the vehicle, as shown in fig. 1 to 3, for convenience of description, the vehicle appearing below refers to the rail powered flatcar. The method comprises the steps that a track is divided into a plurality of charging subareas, then a vehicle online detection device, a current detection device, a primary coil and a grouping charging control switch group are installed in each charging subarea, when the vehicle online detection device detects that a vehicle is in the charging subarea, a monitoring module receives information of the vehicle online detection device and controls the grouping charging control switch group of the charging subareas to be opened, the primary coil is electrified with alternating current, and the vehicle is charged through electromagnetic induction. The position and the speed of the rail power flat car on the rail are monitored in real time through the vehicle online detection device, on one hand, accurate positioning charging is achieved for better positioning, on the other hand, the charging time of the vehicle in a charging area can be estimated through the speed, the charging current is adjusted, if the charging time is short, the charging current is properly increased, namely the alternating current of the primary coil is increased, and if the speed is low, the charging current can be properly reduced.
The track circuit is the prior art for detecting the occupation of the railway vehicle, an electrically insulated two steel rails are used on a section of railway line to electrically isolate and seal a track section to form a conductive circuit, the two steel rails are used as leads, one end of each steel rail is connected with an electric signal, and the other end of each steel rail is connected with a receiver; when the vehicle is not occupied, the receiver can receive the electric signal; when the wheel is pressed into the steel rail, the electric signal is short-circuited by the wheel, and the receiver cannot receive the electric signal. Thus, whether the section is occupied by the vehicle is judged. The track circuit is of various types and is a mature vehicle online detection technology.
Preferably, the track includes a plurality of charging partitions, each charging partition is uniformly distributed on the track, the grouped charging control switch group includes a plurality of charging control switches, each charging partition is provided with a charging control switch and a corresponding primary coil, and the charging control switches control the power-on state and the power-off state of the primary coils located in the same charging partition as the charging control switches. Therefore, each charging subarea is respectively corresponding to the charging switch and the primary coil.
Preferably, the online vehicle detection device comprises axle counting sensors distributed at two ends of each charging zone, and each axle counting sensor is used for detecting the vehicle occupancy condition when the rail-powered flat car passes through the space between the axle counting points at two ends of the charging zone. As shown in fig. 3, the axle counting sensor a, the axle counting sensor B, the axle counting sensor C and the axle counting sensor D divide the track area into a charging zone a, a charging zone B and a charging zone C, and the control switch a, the control switch B and the control switch C respectively control the on and off of the charging zone a, the charging zone B and the charging zone C.
The track axle counter monitors the number of passing train wheel sets by using a closed-loop sensor installed on a steel rail, and is railway signal equipment capable of detecting passing wheels. The axle counter consists of a sensor, a counting comparator and the like, and the sensor is used for detecting the number of axles of a vehicle passing a certain point (axle counting point) on a route so as to check the space vehicle occupation condition between the two axle counting points or in a section; the running direction of the train and the occupied or clear section of the locomotive can be judged by the counting comparator by judging the time sequence of the vehicle passing through the two magnetic heads of the axle counting point. The track axle counter is also called axle counting track circuit, and is a mature vehicle on-line detection technology.
Preferably, the vehicle online detection device comprises a plurality of wheel sensors, and each wheel sensor is used for detecting the time when the rail-powered flat car enters and leaves a charging zone where the wheel sensor is located. As shown in fig. 2, the track is divided into a charging partition a, a charging partition B and a charging partition C by the wheel sensor a, the wheel sensor B and the wheel sensor C, the control switch a, the control switch B and the control switch C respectively control the on and off of the three charging partitions correspondingly, and meanwhile, the charging current detection device is arranged on the switch circuit, so that the charging current is monitored in real time by the charging current detection device, and the monitoring system can better control the charging current and the charging time of each charging partition.
The wheel sensor is one of the basic equipments of the automatic hump, commonly known as "footboard". The vehicle axle counting device is matched with a control system to realize the functions of vehicle axle counting, speed measurement, resistance measurement and the like. The wheel sensor is a mature technology for detecting that a vehicle runs through a certain point, and the running direction cannot be distinguished; the device is mainly used for detecting vehicle passing points in a fixed running direction and is mainly used for starting a circuit triggering signal of equipment.
Preferably, a power supply and a controller are arranged on the rail power flat car, the power supply is electrically connected with the secondary coil, and the controller monitors the electric quantity of the power supply and feeds the electric quantity back to the monitoring module. The controller monitors the electric quantity of the power supply and feeds the electric quantity value back to the monitoring module, so that the monitoring module can know the electric quantity of the vehicle in real time, and the charging opening and closing time of the charging subarea is controlled better.
The invention has the beneficial effects that: the invention provides a rail power flat car moving charging control system and method. The track is divided into a plurality of charging subareas, each charging subarea is provided with a set of complete vehicle online detection device, a current detection device and a grouping charging control switch group, and the real-time monitoring is realized through a remote monitoring module. When the vehicle to be charged runs in the charging subarea section, the remote monitoring module controls the grouping charging control switch group of the charging subarea to control the charging subarea to switch on the primary coil alternating-current charging power supply according to the information of the vehicle on-line detection device of the charging subarea, and switches off the primary coil power supply when the vehicle leaves the charging subarea. The charging efficiency is improved, unnecessary no-load loss is reduced, and the safety of a charging area is improved.
Example two:
the embodiment of the invention provides a rail power flat car mobile charging method, which comprises the following steps:
dividing a track in a monitoring area into a plurality of charging subareas;
when the vehicle online detection device detects that a track-free power flat car in a charging subarea is in use, the monitoring module receives a vehicle-free signal of the vehicle online detection device and controls a grouping charging control switch group of the charging subarea to be closed, and an induction coil in the charging subarea is powered off;
when the vehicle online detection device detects that a track power flat car is in a charging partition and the power supply quantity of the track power flat car is lower than a threshold value, the monitoring module controls the grouped charging control switch group of the charging partition to be turned on according to the car-presence signal and the power supply quantity signal of the vehicle online detection device, and the induction coil in the charging partition is electrified.
Preferably, the length of each charging subarea is greater than the length of the rail-powered flat car. Therefore, the vehicle is fast, the length of the charging subarea is set to be long, so that charging is convenient, and the charging time is also prolonged.
Preferably, when the rail-powered flat car drives into the charging subarea, the monitoring module receives a car signal of a wheel sensor of the charging subarea and controls a grouping charging control switch group of the charging subarea to be turned on. As shown in fig. 2, when there are a plurality of charging sections, each section may be disposed adjacent to the other, and a wheel sensor may be disposed at one end of each section.
Preferably, when the rail-powered flat car drives into the charging zone, the monitoring module receives a car-presence signal of the axle-counting sensor of the charging zone and controls the group charging control switch group of the charging zone to be turned on. As shown in fig. 3, when a plurality of charging partitions are provided, an axle counting sensor is arranged between two adjacent charging partitions, and the axle counting sensors are arranged at two ends of each charging partition, so that the time when a vehicle enters a certain charging partition and the time when the vehicle leaves the charging partition can be known, and the charging time can be conveniently controlled.
The invention has the beneficial effects that: the invention provides a rail power flat car moving charging control system and method. The track is divided into a plurality of charging subareas, each charging subarea is provided with a set of complete vehicle online detection device, a current detection device and a grouping charging control switch group, and the real-time monitoring is realized through a remote monitoring module. When the vehicle to be charged runs in the charging subarea section, the remote monitoring module controls the grouping charging control switch group of the charging subarea to control the charging subarea to switch on the primary coil alternating-current charging power supply according to the information of the vehicle on-line detection device of the charging subarea, and switches off the primary coil power supply when the vehicle leaves the charging subarea. The charging efficiency is improved, unnecessary no-load loss is reduced, and the safety of a charging area is improved.
The above examples are merely illustrative of the present invention and should not be construed as limiting the scope of the invention, which is intended to be covered by the claims and any design similar or equivalent to the scope of the invention.
Claims (5)
1. The utility model provides a rail dynamic flatcar removes control system that charges which characterized in that includes: the system comprises an induction coil, a vehicle on-line detection device, a current detection device, a grouped charging control switch group and a monitoring module;
the induction coil comprises a secondary coil arranged at the bottom end of the rail power flat car and a primary coil arranged on the rail and corresponding to the secondary coil, and the primary coil is used for generating induction current for the secondary coil;
the vehicle online detection device is used for monitoring the position and the speed of the rail power flat car on the rail in real time; the vehicle on-line detection device comprises axle counting sensors distributed at two ends of each charging subarea, and each axle counting sensor is used for detecting the vehicle occupation condition when the rail power flat car passes through the axle counting points at two ends of each charging subarea;
the current detection device is used for detecting the current of the induction coil and transmitting the detected current to the monitoring module;
the monitoring module is used for monitoring the states of the vehicle online detection device, the current detection device and the grouping charging control switch group and controlling the on or off of the grouping charging control switch group of the track of different charging subareas; the charging time of the rail power flat car in a charging area is estimated according to the speed, so that the alternating current of the primary coil is adjusted, if the charging time is short at a high speed, the alternating current of the primary coil is increased, and if the charging time is short at a low speed, the alternating current of the primary coil is reduced;
the grouping charging control switch group is used for controlling the power-on state and the power-off state of the induction coils of different charging subareas of the track.
2. The rail-powered flat car mobile charging control system of claim 1, characterized in that: the track comprises a plurality of charging subareas, each charging subarea is uniformly distributed on the track, the grouping charging control switch group comprises a plurality of charging control switches, each charging subarea is provided with a charging control switch and a corresponding primary coil, and the charging control switches control the power-on state and the power-off state of the primary coils which are positioned in the same charging subarea with the charging control switches.
3. The rail-powered flat car mobile charging control system of claim 1, characterized in that: and a power supply and a controller are arranged on the rail power flat car, the power supply is electrically connected with the secondary coil, and the controller monitors the electric quantity of the power supply and feeds the electric quantity back to the monitoring module.
4. A mobile charging method using the mobile charging control system of the rail-powered flat car according to claim 1, comprising the steps of:
dividing a track in a monitoring area into a plurality of charging subareas;
when the vehicle online detection device detects that a track-free power flat car in a charging subarea is in use, the monitoring module receives a vehicle-free signal of the vehicle online detection device and controls a grouping charging control switch group of the charging subarea to be closed, and an induction coil in the charging subarea is powered off; the vehicle online detection device comprises axle counting sensors distributed at two ends of each charging subarea, and each axle counting sensor is used for detecting the vehicle occupation condition of the rail power flat car passing through the axle counting points at two ends of the charging subarea;
when the vehicle online detection device detects that a track power flat car is in a charging partition and the power supply electric quantity of the track power flat car is lower than a threshold value, the monitoring module controls the grouped charging control switch group of the charging partition to be turned on according to the car-presence signal and the power supply electric quantity signal of the vehicle online detection device, and the induction coil in the charging partition is electrified.
5. The method of claim 4, wherein the method further comprises: the length of each charging subarea is greater than that of the rail power flat car.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811160660.0A CN109466348B (en) | 2018-09-30 | 2018-09-30 | Movable charging control system and method for rail power flat car |
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| CN201811160660.0A CN109466348B (en) | 2018-09-30 | 2018-09-30 | Movable charging control system and method for rail power flat car |
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| CN109466348B true CN109466348B (en) | 2021-04-30 |
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| CN212447599U (en) * | 2020-05-06 | 2021-02-02 | 北京恒通安泰科技有限公司 | Railway vehicle sensor, railway vehicle detection system, and rail on which railway vehicle travels |
| CN114326524B (en) * | 2021-12-30 | 2024-10-01 | 杭州电子科技大学 | Distributed cable tunnel inspection system and detection evaluation method |
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| JP3247186B2 (en) * | 1993-03-29 | 2002-01-15 | 江藤電気株式会社 | Power supply device to movable body side electric drive means |
| JPH0767206A (en) * | 1993-08-26 | 1995-03-10 | Sumitomo Electric Ind Ltd | Noncontact intermittent power supply for mobile body |
| US9469207B2 (en) * | 2014-04-18 | 2016-10-18 | Qualcomm Incorporated | Base magnetics and sequence design for dynamic systems |
| US20160023557A1 (en) * | 2014-07-25 | 2016-01-28 | Qualcomm Incorporated | Devices, systems, and method for dynamic electric vehicle charging with position detection |
| US9680312B2 (en) * | 2014-09-10 | 2017-06-13 | Qualcomm Incorporated | System and method for reactive power control in dynamic inductive power transfer systems |
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