CN105141040A - High-frequency signal acquisition system for high-speed train wireless power supply technology - Google Patents
High-frequency signal acquisition system for high-speed train wireless power supply technology Download PDFInfo
- Publication number
- CN105141040A CN105141040A CN201510653962.1A CN201510653962A CN105141040A CN 105141040 A CN105141040 A CN 105141040A CN 201510653962 A CN201510653962 A CN 201510653962A CN 105141040 A CN105141040 A CN 105141040A
- Authority
- CN
- China
- Prior art keywords
- frequency signal
- signal acquisition
- acquisition system
- wireless power
- train
- 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
Links
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention provides a high-frequency signal acquisition system for a high-speed train wireless power supply model. The high-frequency signal acquisition system adopts a framework of inserting a high-speed AD controller into an FPGA, and the FPGA realizes management control and data cache of FIFO of the external AD controller. The high-frequency signal acquisition system is small in size and good in performance, can carry out real-time observation on the voltage, current and power in the energy transmission process, and can send sampled signal properties to an upper computer, thereby facilitating remote real-time observation and analysis, and meanwhile, facilitating to carry out detection and analysis on a dynamic energy transmission system better; and compensation control is carried out on the power under the condition of load fluctuation of a high-speed train, and thus the wireless-power-supply-type high-speed train is allowed to run more stably and reliably.
Description
Technical field
Radio energy-transmitting technology is still in the starting stage at present.Efficiency of transmission is relevant with several factors, such as, send coil and whether reach resonance and even the whole system distance length whether with the same resonance frequency and transmission etc. with the size of receiving coil, the frequency of transmitting terminal and receiving terminal.Can cross the voltage of medium-high frequency, current signal can be difficult to detection owing to passing, it is closely bound up with energy transfer efficiency again whether receiving terminal and transmitting terminal reach resonance.
Power train is under low-speed run state, and the contact between pantograph pan with contact line conducting wire is relative steadily, usually can normally be flowed.But under high-speed cruising state, pantograph contact line relation will be subject to many-sided challenge such as friction, off-line, vibration, electric arc and environment, and continual and steady current collection at high speed problems demand solves.Therefore, High-speed Train wireless power technology tool is of great significance.A kind of new supply power mode expanded by bullet train in recent years, and the transmission coil of energy is set up on vehicle body along orbit suspended, and receiving coil is at vehicle body top, and energy transmits from top to bottom.This supply power mode instead of the traditional approach of pantograph and contact line slip power taking, allow the working clearance that there is several tens cm, improve dielectric strength, avoid bow net electric arc frequently occur and high-speed mobile time the problems such as fret wear, thus significantly improve current carrying quality.
The present invention is a kind of high-frequency signal acquisition system, and it adopts high-speed AD controller to embed FPGA framework, and FPGA realizes controlling and data buffer storage the FIFO management of external AD controller.Present invention accomplishes the collection to MHz order of magnitude high-frequency signal, real-time monitored is carried out to the voltage of energy transfer process, electric current and power, the characteristics of signals sampled can be sent to host computer, be convenient to long-range Real Time Observation and analysis, the present invention is requisite application platform in bullet train wireless power technical development process.
Background technology
Along with second industrial revolution arrival we enter the electrified epoch.The transmission of the electric energy such as power consumption equipment, high-voltage line, electrical network, electric wire of all parts of the world is mainly through the transmission of the wire direct contact type of metal.The transmission means of this contact has a lot of problem to come out gradually, aging, friction, energy transmission process in often there is spark, there is Electrical Safety hidden danger and affect the life-span of power consumption equipment.In addition, traditional wired supply power mode can not meet the development in epoch, no longer meets the demand of some particular application, as in water, mine and deep-sea etc.In addition, the power supply of the medical product in implant into body etc. also more and more shows defect.These problem and shortage, imply that a rise without the wireless power pattern of metal wire, i.e. wireless power technology.Historical change is there is in the successful realization of wireless power by making the life of the mankind.As far back as the middle and later periods in 19th century, the concept of wireless power transmission is just proposed by famous tesla, and obtains patent, and the development for wireless power transmission technology afterwards depicts fine blueprint and established certain Research foundation.
The experience of domestic and external high-speed railway in construction and in operation indicates high-speed railway and has five large features: high stability, high reliability, high security, high ride, pinpoint accuracy etc.Handle the relation between pantograph and contact line well, solution high speed Train is stable to be flowed, and is the necessary ways ensureing that " five high features " can realize.High ferro train, under high-speed cruising state, friction, off-line, vibration, is beaten arc and natural environment etc. and all can be brought problem to pantograph contact line relation.The existence of these problems is obviously the bottleneck that restriction high ferro train develops rapidly.For addressing these problems, wireless power transmission technology can be utilized to provide stable, reliable electric energy to high ferro train.
Summary of the invention
The present invention is applied to the high-frequency signal acquisition system in bullet train wireless power model, and it adopts high-speed AD controller to embed FPGA framework, and FPGA realizes controlling and data buffer storage the FIFO management of external AD controller.Volume of the present invention is little, performance is good, carries out real-time monitored, the characteristics of signals sampled can be sent to host computer to the voltage of energy transfer process, electric current and power, be convenient to long-range Real Time Observation and analysis, be more conducive to carrying out examination and analysb to dynamic energy transfer system simultaneously.When the bullet train fluctuation of load, control is compensated to power, wireless power type bullet train is run more stable, reliable.
The technical solution adopted in the present invention is: the high-frequency signal acquisition system for bullet train wireless power technology is provided with high frequency inverter (1), energy sends coil (2), energy acceptance coil (3), rectifying and wave-filtering part (4), train model (5), ARM and FPGA collecting part (6), communicating wireless signals device bluetooth module (7), dsp controller part (8).
Alternating current is become direct current by described high frequency inverter (1) before this rectifying part diode, and filter circuit is connected on rectification circuit in order to Eliminate highter harmonic simultaneously, exports the direct current of constant voltage; Direct current is converted to the alternating current adapting to load power demand, the size of output voltage depends on that the PWM of controller exports again.
Described energy sends coil (2) and is made up of the metallic conductor of additional insulating barrier, suspension frame is located at the top of locomotive, its resonance frequency and supply frequency are consistent, to ensure lower reflection coefficient, for launching the alternating electromagnetic field that chopped power oscillating circuit produces.
The coil that described energy acceptance coil (3) is turned to by multiturn metallic conductor forms, be arranged on directly over locomotive, receiving coil just considers the frequency of power supply when making, the receiving coil produced and supply frequency are consistent, to ensure that receiving coil is in operation maintenance resonance condition, realizes the efficient transmission of energy in the mode be coupled by resonance.
Described rectifying and wave-filtering part (4) is made up of bridge rectifier, filter circuit, chopper circuit, wherein the AC rectification that coil obtains is become direct current by bridge rectifier, the high order harmonic component in circuit eliminated by filter circuit, filtered direct current is transformed into the direct current of constant output voltage by chopper circuit subsequently, and then also can by the alternating current of frequency needed for direct current modulated energy.
Described train model (5) is the sand table of 2*5m, and train length is about 70cm, and the transmission coil of energy is set up on vehicle body along orbit suspended, and receiving coil is at vehicle body top, and energy transmits from top to bottom.
Tested analog signals is converted into digital quantity by described ARM and FPGA collecting part (6), is processing, analyzes digital data, finally completes the waveform on keystroke handling, liquid crystal display screen and data show, the radio communication etc. of data.
Described communicating wireless signals device bluetooth module (7), it is applicable in the Wireless Data Transmission in 10 meters, and adopt RS232/UART interface, serial port baud rate, can realize 1 to 1 or 1 to many transfer of data.In the present invention, this bluetooth is used for the transfer of data between oscilloscope and host computer.
Described dsp controller (8) module, as final central processing unit, controls the output of high frequency inverter, directly determines the speed of service of bullet train.
Application the present invention makes wireless power type bullet train operate steadily, and current carrying quality is greatly improved, and for technical guarantee has been established in the development of wireless power type bullet train, the present invention has a extensive future, and means a great.
Accompanying drawing explanation
Fig. 1 is allomeric function block diagram of the present invention;
Fig. 2 is medium-high frequency inverter some work procedure chart of the present invention;
Fig. 3 is wireless power type bullet train feeder ear and the locomotive receiving terminal location drawing in the present invention;
Fig. 4 is the result figure that the present invention's application high-frequency signal acquisition system realizes;
Fig. 5 is the constant power control result figure that the present invention's application high-frequency signal acquisition system realizes;
Embodiment
Below in conjunction with Fig. 2, Fig. 3, Fig. 4, embodiments of the invention are described.
Be illustrated in figure 2 the course of work of high frequency inverter (1).High frequency inverter (1) adopts digitalization high frequency power supply, and controller (9) application DSP and FPGA supports the use, the TMS320LF2407A of what DSP selected is TI company, the EPM570F100C5N of what FPGA selected is ALTERA company.Controller (9) is mainly used in the DC voltage value (14) after gathering chopped wave power-regulating (11) and the high-frequency electrical flow valuve (15) after high-frequency inversion (12).High frequency inverter (1) is provided with touch-screen, can carry out the selected of parameter to power supply, is mainly used in setting the power output of power supply and realizing the power supply export resonance frequency of maximal efficiency.Wherein controlled the performance number of chopped wave power-regulating by PWM (16), be the output power value of power supply; Controlled the full bridge inverter of high-frequency inversion part by PWM (17), power supply is exported and reaches resonance condition, thus most effective.Touch-screen can also show DC voltage value (14) and high-frequency electrical flow valuve (15) in real time, and what apply between touch-screen and controller (13) is 485 communications.Like this, the set point that Real-time Collection to DC voltage value (14) and high-frequency electrical flow valuve (15) and touch-screen exports compares, with controller (9) output PWM (16), PWM (17), regulating error is carried out to system, make system reach balance.
Be illustrated in figure 3 the powered locations of structures figure of confession of the present invention.The output of high frequency inverter (1) is directly connected to suspension frame and is located at transmission coil (2) on train (5), sends coil (2) and is covered with whole train rail (18).Receiving coil (3) is arranged on train (5) top, is in motion state with train (5) always.Send the distance having about 1Cm between coil (2) and receiving coil (3).Transmission coil (2) top and receiving coil (3) below are provided with screen (19), the loss that first can reduce magnetic field improves energy transfer efficiency, secondly can ensure that train (9) interior passenger is not by the interference of high frequency magnetic field.The present invention adopt the time sharing power supply sent in coil (2) specific range, such train to reach output which section coil opens this section of coil immediately will turn off the output of coil the last period simultaneously, play the effect improving energy transfer efficiency.
Be illustrated in figure 4 the present invention's application high-frequency signal acquisition system result figure, be illustrated in figure 5 the constant power control result figure that the present invention's application high-frequency signal acquisition system realizes.Waveform display is clear, and stable, parameter measurement precision is high, reaches the designing requirement gathering high-frequency signal completely.Apply this scheme to test the primary side of wireless power bullet train, secondary side high-frequency signal, wherein the signal waveform of level road, upward slope, descending three positions is as Fig. 4, applies the signal waveform after power back-off close-loop control scheme as Fig. 5.Result shows, applies the high-frequency signal acquisition scheme of ARM+FPGA framework in bullet train wireless power supply system, and primary side has carried out good power back-off with secondary side load variations.The scheme of this ARM+FPGA framework is applied to during digitization frequencies is followed the trail of and will has good real-time and stability compared to the frequency tracking scheme of hardware, the resource adopted is few, decrease cost and volume, tracking velocity is fast, tracking frequency is accurate, antijamming capability is strong, and this scheme is that frequency tracking software simulating provides the foundation guarantee.Design ap-plication has a extensive future, and means a great.
Claims (4)
1. the present invention is applied to the high-frequency signal acquisition system in bullet train wireless power model.
2. be applied to the high-frequency signal acquisition system in bullet train wireless power model according to claim 1, be further characterized in that feeder ear is set up on train along orbit suspended, receiving end is installed on train top, and energy is transmitted by space magnetic field.
3. be applied to the high-frequency signal acquisition system in bullet train wireless power model according to claim 1, be further characterized in that the traditional approach that instead of pantograph and contact line slip power taking, allow the working clearance having several centimetres, improve dielectric strength, avoid bow net electric arc frequently occur and high-speed mobile time the problems such as fret wear.
4. be applied to the high-frequency signal acquisition system in bullet train wireless power model according to claim 1, be further characterized in that, when the bullet train fluctuation of load, control compensated to power, wireless power type bullet train is run more stable, reliable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653962.1A CN105141040A (en) | 2015-10-09 | 2015-10-09 | High-frequency signal acquisition system for high-speed train wireless power supply technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510653962.1A CN105141040A (en) | 2015-10-09 | 2015-10-09 | High-frequency signal acquisition system for high-speed train wireless power supply technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105141040A true CN105141040A (en) | 2015-12-09 |
Family
ID=54726295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510653962.1A Pending CN105141040A (en) | 2015-10-09 | 2015-10-09 | High-frequency signal acquisition system for high-speed train wireless power supply technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105141040A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257789A (en) * | 2020-03-25 | 2020-06-09 | 中车青岛四方车辆研究所有限公司 | Simulation test device of tramcar non-contact power supply system |
-
2015
- 2015-10-09 CN CN201510653962.1A patent/CN105141040A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257789A (en) * | 2020-03-25 | 2020-06-09 | 中车青岛四方车辆研究所有限公司 | Simulation test device of tramcar non-contact power supply system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102969802B (en) | Current type wireless power supply system load self-adapting control method | |
| CN204086219U (en) | A kind of bridge health monitoring system | |
| CN103269114B (en) | Bi-directional charging device and system | |
| CN201555658U (en) | Railway contact net vibration performance test device | |
| CN103280899B (en) | Wireless charging receiver, discharger and system | |
| CN102030233B (en) | Elevator energy efficiency measuring method based on difference mass velocity integration method | |
| CN205070621U (en) | Wireless power supply system of 110kV transmission line video monitoring device | |
| CN102176635B (en) | Automatic acquisition device for safety monitoring data as well as power-supply method and device thereof | |
| CN104834345B (en) | The maximum power tracing method of magnetic resonance type wireless electric energy transmission under water | |
| CN109752456A (en) | A kind of Intelligent Passive rail monitoring perception front end | |
| CN105141040A (en) | High-frequency signal acquisition system for high-speed train wireless power supply technology | |
| CN110378029A (en) | Meter and more vehicle bow nets vibrate high iron car-pessimistic concurrency control construction method of offline arcing | |
| CN202084168U (en) | Energy consumption data acquisition device | |
| CN102684713A (en) | Emitting machine of electromagnetic detection instrument and emitting method thereof | |
| CN108819748A (en) | A kind of wireless charging system for electric automobile | |
| CN105048656A (en) | Wireless power supply type high-speed train system | |
| CN103338025B (en) | A power frequency induction adjustable resonance apparatus and a frequency modulation method thereof for determining a power frequency in-series resonant condition | |
| CN110165790A (en) | A kind of resonance magnetic coupling wireless power technique | |
| CN109818431A (en) | A kind of wireless charging method based on carrier communication | |
| CN205595905U (en) | Difunctional adjustable wireless power transmission device | |
| CN204228927U (en) | The multimode lithium battery group charging and discharging currents detection system in parallel of wireless telecommunications | |
| CN208723555U (en) | Urban track traffic distributing reactive compensation system | |
| CN210350866U (en) | Wireless power transmission system using steel rail as transmission medium | |
| CN202735413U (en) | Onsite measurement system of dielectric loss value of crosslinked polyethylene power cable | |
| CN210465528U (en) | Remote monitoring system for voltage of power transmission line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |