CN104917270B - High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback - Google Patents
High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback Download PDFInfo
- Publication number
- CN104917270B CN104917270B CN201510317349.2A CN201510317349A CN104917270B CN 104917270 B CN104917270 B CN 104917270B CN 201510317349 A CN201510317349 A CN 201510317349A CN 104917270 B CN104917270 B CN 104917270B
- Authority
- CN
- China
- Prior art keywords
- negative pulse
- frequency
- circuit
- charging
- positive negative
- 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.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Circuit, negative pulse discharge energy feedback circuit and cell load are produced the invention discloses a kind of high power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback, including industrial frequency AC input power network, high-power charging main circuit, four stages quick charge control circuit, frequency conversion positive negative pulse stuffing；The input of high-power charging main circuit is connected with industrial frequency AC input power network；The output end of high-power charging main circuit produces circuit to be connected with frequency conversion positive negative pulse stuffing；Frequency conversion positive negative pulse stuffing produces circuit to be connected with cell load；The input of negative pulse discharge energy feedback circuit produces circuit to be connected with frequency conversion positive negative pulse stuffing；The output end of negative pulse discharge energy feedback circuit is connected with industrial frequency AC input power network；The present invention reaches efficiently charging under the conditions of the polarization problem based on concentration polarization is effectively eliminated, and the life of storage battery is improved, while negative pulse discharge energy feedback system realizes energy regenerating.
Description
Technical field
It is more particularly to a kind of based on the big of energy feedback the present invention relates to electric vehicle rapid charging and energy feedback field
Power digital frequency conversion positive negative pulse stuffing quick charging system.
Background technology
The battery constituted as electric automobile core is the key factor for determining vehicle performance, and its performance directly affects electricity
The power capacity and endurance of electrical automobile.But before the charging ring program supplemented as the battery energy in charging rate and
Actual requirement can not be all met on charging effect, or even some charging techniques are to accelerate charging rate by the energy of discharge depolarization
Waste, this has run counter to the design original intention of energy-conserving and environment-protective.
As the development and Digital Control of large power all-controlled power device should in the success of electric and electronic technical field
With, traditional electronic load is occurred in that, it is widely used in the measuring apparatus of the power supply energy as equivalent load.Wherein, energy
Feedback type electronic load, be based on high-frequency electrical energy transformation theory, will be various to be tested or enter with the method for energy back
Enter the energy circulation that the independent AC and DC power supply unit in trial operation stage exported to use.It had both completed the work(of certain loads
Can, realize simulating output current large-scale regulation the load of various impedances, tested power work can be made in purely resistive, resistance
Under the pattern of perception or resistance capacitive load；Energy simultaneously and unnecessary consumption in conventional static load and general electronic load
Amount, by a series of conversion, by the output electric energy feedback of tested power supply to power network in the form of standard power frequency sine wave, loads energy
The recycling rate of amount up to more than 80%, so as to greatly save the unnecessary consumption of the energy and the expenditure of the electricity charge, with wide
Application prospect.
Find by prior art documents, " research of interval-positive negative pulse stuffing fast storage battery charging method " (Wu
Iron continent, Bai Ting, Hu Liping, the research electronic devices of plum dragon interval-positive negative pulse stuffing fast storage battery charging methods, 2014,
37(12)：1245-1250), it is proposed that interval-positive negative pulse stuffing mise-a-la-masse method, according to gassing point voltage and polarizing voltage monitoring electric power storage
Polarize situation in pond, using two kinds of fuzzy controllers, the positive negative pulse stuffing width in interval-positive negative pulse stuffing mise-a-la-masse method is determined respectively, adopts
The polarization phenomena in charging process are reduced or eliminated with alternately charging and discharging, but uses the positive and negative arteries and veins of fixed frequency
Punching, it is no to use frequency conversion positive negative pulse stuffing fast charge method and realize negative pulse discharge energy feedback.
The content of the invention
In order to overcome the shortcoming of prior art with a kind of not enough, high power digital based on energy feedback of present invention offer
Frequency conversion positive negative pulse stuffing quick charging system.
The present invention is adopted the following technical scheme that：
A kind of high power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback, including industrial frequency AC is defeated
Entering power network, high-power charging main circuit, four stages quick charge control circuit, frequency conversion positive negative pulse stuffing produces circuit, negative pulse to put
Electric flux feedback circuit and cell load；
The input of the high-power charging main circuit is connected with industrial frequency AC input power network；The main electricity of high-power charging
The output end on road produces circuit to be connected with frequency conversion positive negative pulse stuffing；The frequency conversion positive negative pulse stuffing produces circuit to be connected with cell load；
The input of the negative pulse discharge energy feedback circuit produces circuit to be connected with frequency conversion positive negative pulse stuffing；The negative pulse discharge energy
The output end for measuring feedback circuit is connected with industrial frequency AC input power network；
The high-power charging main circuit include be electrically connected successively input rectifying filtration module, high-frequency inversion module,
Power voltage changing module and output rectification filter module；
Four stages quick charge control circuit include DSP Digital Controls module, MOSFET high-frequency drives module,
IGBT drive module and current-voltage sampling and signal processing module；
The frequency conversion positive negative pulse stuffing generation circuit includes frequency conversion positive negative pulse stuffing generation module；
The negative pulse discharge energy feedback circuit include be electrically connected successively filtration module, Boost boost modules and
Inverter Unit.
The input of the MOSFET high-frequency drives module, the input of IGBT drive module and current-voltage sampling and letter
The output end of number processing module is connected with DSP Digital Control modules, and wherein current-voltage sampling and signal processing module have
Body is three, and its input is connected with high-frequency inversion module, Inverter Unit and Boost boost modules respectively；
The MOSFET high-frequency drives module is specially 2, and its output end is boosted with high-frequency inversion module and Boost respectively
Module is connected.
The Boost boost modules are made up of boost chopper, and the positive negative pulse stuffing generation module includes that positive pulse is defeated
Go out circuit and negative pulse output circuit.
The Inverter Unit uses the topological structure of voltage-type full-bridge inverter.
The four stages quick charge control circuit is by the precharge of DSP Digital Control modules control realization, positive negative pulse stuffing
Quick charge, supply charging and floating charging four-stage fast pulse charger.
Specially：
Battery is pre-charged using stable low current, when cell voltage is stepped up to the threshold value for receiving large current charge
Into positive negative pulse stuffing quick charge；
Positive negative pulse stuffing quick charge is carried out using positive high current and negative-going pulse, when battery both end voltage rises to necessarily
Control is switched to and supplies the charging stage during value, and this stage uses constant-voltage charge, and charging current is gradually reduced, when electric current drops to certain
During one threshold value, the floating charge stage is gone to；
The frequency conversion positive negative pulse stuffing produces circuit by detecting charge condition of battery, changes charging in real time according to cell voltage
The charging current of pulse is realized effectively modulating the positive negative pulse stuffing in charging process with charging pulse frequency, that is, use high frequency arteries and veins
Punching is modulated to low-frequency pulse, the intensity of unit pulse is periodically switched between strong and weak and positive and negative.Due to variable-frequency electric
Stream is modulated to original charging current and discharge current, makes the intensity of unit pulse week between high-frequency impulse and low-frequency pulse
Phase property switches.
The frequency conversion positive negative pulse stuffing generation circuit carries out real-time regulation to frequency conversion positive negative pulse stuffing, by IGBT drive module pair
Specify the low and high level of I/O ports output to amplify, opening and shutting off for IGBT pipes is controlled, so as to realize positive pulse electric current with negative arteries and veins
The output of electric current is rushed, by the anti-battery reversal connection of diode, control negative pulse discharge direction.
The negative pulse discharge energy feedback circuit is led to the negative pulse of generation using energy feedback type electronic load topology
Cross boosting and inversion the generation output consistent with industrial frequency AC input power network amplitude and phase, and net of simultaneously wiring back.
The Inverter Unit controls turning on and off for single-phase grid-connection inverter circuit MOSFET by SPWM.
The present invention has the advantage that and beneficial effect：
(1) frequency conversion positive negative pulse stuffing quick charging system reaches under the conditions of the polarization problem based on concentration polarization is eliminated
Efficiently charge, improve the life of storage battery.Effectively modulated by the positive negative pulse stuffing in charging process, made the strong of unit pulse
Degree low frequency periodic switching between strong and weak and positive and negative, obtains specifically effectively reducing the periodically variable of charging resistance
Strong and weak impulse train and positive negative pulse stuffing group, break the intrinsic charging curve of battery, so that the charging interval greatly shortens；
(2) negative pulse discharge energy feedback system realizes energy regenerating.Existing positive negative pulse stuffing quick charging system can only
Discharged by discharge resistance, so have part energy and lose on discharge resistance.The grid-connected system of energy feedback of the present invention
Discharge current by the system inversion telegram in reply net, is reached energy-efficient effect by system；
(3) system stabilization, fast response time, control accuracy is high, and performance is good, and reliability is high；The system with data signal at
Reason device DSP is core, by software programming, system is realized stabilization, reliable high-power output, additionally, the present invention is also used
The digital Control Technology of Current Voltage feedback, employs DSP technologies and Switching Power Supply charges, and makes the dynamic characteristic of system excellent
Good, control accuracy is high, system stabilization, and safe during charging, reliability is high.
Brief description of the drawings
Fig. 1 is structured flowchart of the invention；
Fig. 2 is high-power charging main circuit figure of the invention；
Fig. 3 is four stages quick charge control each stage current oscillogram of circuit of the invention；
Fig. 4 is frequency conversion positive negative impulse current oscillogram of the present invention；
Fig. 5 is frequency conversion positive negative pulse stuffing generation module circuit diagram of the invention；
Fig. 6 is Boost circuit figure of the present invention；
Fig. 7 is Inverter Unit circuit diagram of the present invention.
Specific embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
Embodiment
As shown in figure 1, a kind of high power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback, including
Industrial frequency AC input power network, high-power charging main circuit, four stages quick charge control circuit, frequency conversion positive negative pulse stuffing produce electricity
Road, negative pulse discharge energy feedback circuit and cell load；
The high-power charging main circuit includes the input rectifying filtration module 101, the high-frequency inversion mould that are electrically connected successively
Block 102, power voltage changing module 103 and output rectification filter module 104；
The four stages quick charge control circuit includes DSP Digital Controls module 106, MOSFET high-frequency drive modules
107th, IGBT drive module 108 and current-voltage sampling and signal processing module 112；The frequency conversion positive negative pulse stuffing produces circuit bag
Include frequency conversion positive negative pulse stuffing generation module 105；The negative pulse discharge energy feedback circuit includes the filtering mould being electrically connected successively
Block 109, Boost boost modules 110 and Inverter Unit 111；The industrial frequency AC input power network is 220V alternating currents；
The input of the high-power charging main circuit is connected with industrial frequency AC input power network；The main electricity of high-power charging
The output end on road produces circuit to be connected with frequency conversion positive negative pulse stuffing；The frequency conversion positive negative pulse stuffing produces circuit to be connected with cell load；
The input of the negative pulse discharge energy feedback circuit produces circuit to be connected with frequency conversion positive negative pulse stuffing；The negative pulse discharge energy
The output end for measuring feedback circuit is connected with industrial frequency AC input power network；
The DSP Digital Controls module 106 input, IGBT drivings respectively with MOSFET high-frequency drives module 107
The input and current-voltage sampling of module 108 and the output end of signal processing module 112 are connected；The MOSFET high frequencies drive
The output end of dynamic model block 107 and the input of high-frequency inversion module 102, the output end of Boost boost modules 110 and parallel network reverse
The input connection of module 111；The output end of the IGBT drive module 108 is defeated with frequency conversion positive negative pulse stuffing generation module 105
Enter end connection；The input of the current-voltage sampling and signal processing module 112 and the output end of high-frequency inversion module 102,
The output end connection of the output end and Inverter Unit 111 of Boost boost modules 110；
The frequency conversion positive negative pulse stuffing generation module 105 carries out real-time regulation to frequency conversion positive negative pulse stuffing, and mould is driven by IGBT
Block amplifies to the low and high level for specifying the output of I/O ports, and control IGBT pipes open and shut off, so as to realize positive pulse electric current with
The output of negative pulse current, by the anti-battery reversal connection of diode, control negative pulse discharge direction；
The MOSFET high-frequency drives module 107 is high by controlling the switch time of power device switch mosfet pipe to drive
Frequency inversion module and Boost boost modules；
The IGBT drive module 108 drives frequency conversion positive and negative by controlling opening for power device IGBT switching tubes with shut-off
Pulses generation module；
The Inverter Unit 111 controls turning on and off for single-phase grid-connection inverter circuit MOSFET by SPWM, from
And obtain the alternating current consistent with industrial frequency AC input power network；
The DSP Digital Controls module 106 is changed by A/D, and the electric current and voltage signal that will be collected are sent to numeral
In signal processor, digital signal processor carries out closed loop control by PI algorithms to the electric current and voltage of high-power charging main circuit
System, produce need phase-shift PWM waveform, through MOSFET high-frequency drives module control power device switch mosfet pipe conducting and
Turn-off time, control electric current and voltage, drive high-frequency inversion module and Inverter Unit.
Meanwhile, ordered pair specifies I/O ports when the DSP Digital Controls module 106 interrupts given by timer period
Carry out the conversion of low and high level, thus by IGBT drive module control power device IGBT open with shut-off, to reach product
The purpose of raw positive negative impulse current, realizes Digital Control；
Fig. 2 is high-power charging main circuit figure of the invention, using phase shifting full bridge soft switch main circuit topology, by rectifying and wave-filtering
Circuit, full bridge structure circuit, isolating transformer, all-wave output rectification circuit, filter capacitor and load are constituted, and wherein D1-D4 is
220V exchanges input rectifying diode, and L1, C1 and C2 constitute input filter circuit, and Q1-Q4 is 4 switch mosfet pipes, each
Parasitic diode and parasitic capacitance are carried on switching tube, L2 is resonant inductance, and D5-D8 is output commutation diode, inductance L3, electricity
Hold C8 and C9 composition output filter circuits.The bridge arm of Q1 and Q3 compositions is leading-bridge, and the bridge arm of Q2 and Q4 compositions is delayed bridge
Arm, into 180 ° of complementary conductings, the angle of flow between two bridge arms differs a phase, i.e. phase shift to 2 power tubes of each bridge arm
Angle, output current and voltage can be just adjusted by adjusting the phase shifting angle.Master power switch pipe posts in high-frequency converter loop
Give birth to stray inductance, leakage inductance and resonant inductance of electric capacity and isolating transformer etc. and constitute a LC resonant tank, opened in power
No-voltage resonant commutation is realized during the devices switch of pass, it is operated in Sofe Switch state, switching loss is low, the electromagnetism of device
Stress is greatly decreased.
Fig. 3 is four stages quick charge control each stage current oscillogram of circuit of the invention.The present invention passes through dsp controller
Programming realization precharge, positive negative pulse stuffing quick charge, supply charging and four stage of floating charging fast pulse charger method.Four are filled
Electric phase transition opportunity determines and the calculating and control DSP programme-control of each stage charge parameter are realized.
The battery for being in deep discharge conditions for long-term no battery, new battery or at the charging initial stage charges
When, take quick charge to influence the life-span of battery at the very start.Stablize small in order to avoid this problem will be carried out first battery
Pre-charge electricity, rises cell voltage, and positive and negative arteries and veins is entered back into when cell voltage is raised to the threshold value that can receive large current charge
Rush the quick charge stage.
Positive negative pulse stuffing quick charge effectively overcomes battery in charging process using positive high current and negative-going pulse
Resistive polarization reaction, concentration difference polarization reaction, battery lead plate polarization reaction, it is to avoid plate of the battery on battery lead plate in charging process
Burl is brilliant, and the bioactive molecule for intensifying inertia or death makes electric energy be shifted with high efficiency.Battery is made from electric field when bearing
Used time, the temperature rise of effective control battery reduces the generation of bubble in battery, battery is charged under minimum internal resistance, real
The balance of pond interior media and the maintenance to pole plate are now electrically charged, the equilibrium charging of low temperature high current is realized.
In the positive negative pulse stuffing quick charge stage, it is switched to supply by programme-control when battery both end voltage rises to certain value and fills
The electric stage.The charging of this stage uses constant-voltage charge, can make the fast quick-recovery of battery capacity.Now charging current is gradually reduced, and works as electricity
Flow down when being down to a certain threshold value, be transferred to the floating charge stage.
The floating charge stage is mainly used to supplement the energy that is consumed of self-discharge of battery, if be connected on charger in battery and
Charger switches on power, and charger will be continuously replenished electric charge to battery, can so make battery always in sufficient electricity condition.Now
Also indicate that charging process has terminated.
Fig. 4 is frequency conversion positive negative impulse current oscillogram of the present invention.Pulse charge due to during charging, gassing and pole
Change problem can be resolved, therefore this charging modes can also improve the service life of battery.However, filling due to battery
Electric process is an electrochemical process for complexity, influences the factor for charging to have a lot, and concentration of electrolyte, plate active material are dense
Degree, environment temperature etc. all can produce influence to charging.Also can be with the charging of the similar battery of capacity even for same model
Discharge condition, using and storage life difference and make a world of difference.Therefore the pulse charging manner of this fixed frequency can not be very
The need for good satisfaction reality.
For this present invention proposes frequency conversion positive negative pulse stuffing charging method on the basis of normal pulsed charging method.The method is led to
Cross and the positive negative pulse stuffing in charging process is effectively modulated, carried out with the low-frequency pulse 1 of 2 pairs of different pulse parameters of high-frequency impulse
Modulation, the low-frequency pulse 1 has low frequency, low current, big space rate, and the high-frequency impulse 2 has high frequency, high current and small accounts for
Sky ratio, makes the intensity of unit pulse periodically switch between strong and weak and positive and negative.Because frequency conversion electric current is to original charging current
It is modulated with discharge current, the intensity of unit pulse is periodically switched between high-frequency impulse 2 and low-frequency pulse 1, is obtained
Periodically variable strong and weak impulse train and the positive negative pulse stuffing group of charging resistance specifically can be effectively reduced, battery is preferably eliminated
Polarization, break the intrinsic charging curve of battery, battery is received state in optimal electric current all the time, shorten its charging when
Between, improve charging rate and efficiency.
Monitored by real-time monitoring system and be electrically charged pond terminal voltage, temperature, be electrically charged the internal resistance of battery dynamic, charging current etc.
Information, dynamic adjustment pulse frequency f1And f2, due to charging pulse width, interval and discharge pulse width and respective pulse frequency
Rate is all dynamic adjustment, therefore during charging cell internal pressure, temperature and impedance can effectively reduced, and is improved
The charge acceptance of charge efficiency and battery so that the charging interval greatly shorten.
Fig. 5 is frequency conversion positive negative pulse stuffing generation module circuit diagram of the present invention, including positive pulse output circuit and negative pulse are exported
Circuit, the positive pulse output circuit is made up of IGBT switching tubes V1, the negative pulse output circuit by IGBT switching tubes V2 and
Diode D9, D10 are constituted.
The present invention produces timer period to interrupt by DSP digital control modules 106, and according to the sequential reality of procedure stipulation
The output low and high level conversion of existing positive negative pulse stuffing control I/O ports, by after the amplification of IGBT drive module 108, realizing aligning
The control of negative pulse.Stage, the control I/O port I/O1 outputs of DSP digital control modules 106 high level and I/ are produced in positive pulse
O2 exports low level and amplifies through IGBT drive module 108, so as to control to open IGBT pipes V1 and shut-off IGBT pipe V2, realizes just
Charging of the pulse current to cell load.The stage is produced in negative pulse, the control I/O of DSP digital control modules 106 port I/O1 are defeated
Go out low level and I/O2 output high level and amplify through IGBT drive module, so as to control shut-off IGBT pipes V1 and open IGBT pipes
V2, cell load electric discharge, instantaneous relase significantly discharge current forms negative pulse discharge electric current, so as to eliminate the analysis of battery
Gas polarization phenomena, efficiently using charging current, reduce loss rate.Diode D9, D10 are used for anti-battery reversal connection, control negative pulse
The direction of electric discharge.
Fig. 6 is Boost boost modules circuit diagram of the present invention.Boost boost modules are made up of boost chopper, inductance L4
Energy storage makes voltage pump rise, electric capacity C14 and C15 keep voltage as wave filter；Size real-time adjustment DSP according to feedback voltage is embedding
Enter formula processor timer comparing unit register parameters, change the dutycycle of PWM, so as to change the conducting of switch mosfet pipe
Than making Boost boost modules 102 stably export DC voltage.
Fig. 7 is Inverter Unit circuit diagram of the present invention.Preferably, Inverter Unit 111 is using electricity
The topological structure of die mould full-bridge inverter, voltage-type full-bridge inverter is by DC side parallel storage capacitor and full bridge structure circuit group
Into wherein Q6~Q9 is 4 switch mosfet pipes, and parasitic diode and parasitic capacitance are carried on each switching tube.It has 4
Bridge arm, used as a pair, bridge arm Q7 and Q8 is simultaneously turned on bridge arm Q6 and Q9 as two another right, paired bridge arms, two pairs of alternatings
Each 180 ° of conducting.Voltage-type full-bridge inverter can effectively improve the dynamic response performance and DC voltage utilization rate of system, and can
To work in unipolarity frequency multiplication mode, preferable output ripple performance can be obtained with less wave filter, to improving systematicness
Can play the role of larger.
Preferably, to obtain the preferable filter effect of quality, output filter module uses LC structures, filtering
Device is made up of inductance and electric capacity, its simple structure, and controls easily to realize.
Realize that high-power charging main circuit and four stages are quick by phase-shifting full-bridge main circuit and DSP digital Control Technologies
Charge control system.Effectively modulated by the positive negative pulse stuffing in charging process, make unit pulse intensity strong and weak and
Low frequency periodic switching between positive and negative, obtain specifically effectively reducing charging resistance periodically variable strong and weak impulse train and
Positive negative pulse stuffing group.Depolarized in real time instead of conventional fixed-frequency pulse with variable-frequency pulse, break the intrinsic charging curve of battery,
Shorten its charging interval；On the other hand, the energy discharged in negative pulse process of depolarization is carried out into energy by energy feedback system
Amount is reclaimed, and when negative pulse charging rests depolarising by energy feedback to power network, further improves energy-saving effect.It overcomes existing
There is conventional constant-voltage charging device and constant current charger charging facility is single causes charging process big to battery loss, charge
Time is long, it is impossible to real quick charge, and existing positive negative pulse stuffing fast charge method intrinsic frequency pulse in charging process
Output can not well meet the shortcomings of battery charge characteristic and energy dissipation, improve the deficiency that current charging system brings,
Solve the problems, such as charging rapidity and charging energy-conservation.
Above-described embodiment is the present invention preferably implementation method, but embodiments of the present invention are not by the embodiment
Limitation, it is other it is any without departing from Spirit Essence of the invention and the change, modification, replacement made under principle, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. a kind of high power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback, it is characterised in that including
Industrial frequency AC input power network, high-power charging main circuit, four stages quick charge control circuit, frequency conversion positive negative pulse stuffing produce electricity
Road, negative pulse discharge energy feedback circuit and cell load；
The input of the high-power charging main circuit is connected with industrial frequency AC input power network；The high-power charging main circuit
Output end produces circuit to be connected with frequency conversion positive negative pulse stuffing；The frequency conversion positive negative pulse stuffing produces circuit to be connected with cell load；It is described
The input of negative pulse discharge energy feedback circuit produces circuit to be connected with frequency conversion positive negative pulse stuffing；The negative pulse discharge energy is returned
The output end of current feed circuit is connected with industrial frequency AC input power network；
The high-power charging main circuit includes the input rectifying filtration module, high-frequency inversion module, the power that are electrically connected successively
Voltage changing module and output rectification filter module；
The four stages quick charge control circuit includes that DSP Digital Controls module, MOSFET high-frequency drives module, IGBT drive
Dynamic model block and current-voltage sampling and signal processing module；
The frequency conversion positive negative pulse stuffing generation circuit includes frequency conversion positive negative pulse stuffing generation module；
The negative pulse discharge energy feedback circuit includes the filtration module, the Boost boost modules and grid-connected that are electrically connected successively
Inversion module；
The frequency conversion positive negative pulse stuffing produces circuit by detecting charge condition of battery, and charging pulse is changed in real time according to cell voltage
Charging current and charging pulse frequency realize effectively modulating the positive negative pulse stuffing in charging process, i.e., with high-frequency impulse pair
Low-frequency pulse is modulated, and the intensity of unit pulse is periodically switched between strong and weak and positive and negative, due to frequency conversion electric current pair
Originally charging current and discharge current are modulated, and make the intensity of unit pulse periodicity between high-frequency impulse and low-frequency pulse
Switching.
2. quick charging system according to claim 1, it is characterised in that the input of the MOSFET high-frequency drives module
End, the input of IGBT drive module and current-voltage sampling and signal processing module output end with DSP Digital Controls
Module connect, wherein current-voltage sampling and signal processing module are specially three, its input respectively with high-frequency inversion module,
Inverter Unit and Boost boost modules are connected；
The MOSFET high-frequency drives module is specially 2, its output end respectively with high-frequency inversion module and Boost boost modules
Connection.
3. quick charging system according to claim 1, it is characterised in that the Boost boost modules are by boost chopper
Circuit is constituted, and the positive negative pulse stuffing generation module includes positive pulse output circuit and negative pulse output circuit.
4. quick charging system according to claim 1, it is characterised in that the Inverter Unit is complete using voltage-type
The topological structure of bridge inverter.
5. quick charging system according to claim 1, it is characterised in that the four stages quick charge control circuit by
The precharge of DSP Digital Control modules control realization, positive negative pulse stuffing quick charge, supply charging and floating charging four-stage pulse
Quick charge.
6. quick charging system according to claim 5, it is characterised in that specially：
Battery is pre-charged using stable low current, cell voltage is entered when being stepped up to the threshold value for receiving large current charge
Positive negative pulse stuffing quick charge；
Positive negative pulse stuffing quick charge is carried out using positive high current and negative-going pulse, when battery both end voltage rises to certain value
Control is switched to supplies the charging stage, and this stage uses constant-voltage charge, and charging current is gradually reduced, when electric current drops to a certain threshold
During value, the floating charge stage is gone to.
7. quick charging system according to claim 1, it is characterised in that the frequency conversion positive negative pulse stuffing produces circuit to becoming
Frequency positive negative pulse stuffing carries out real-time regulation, the low and high level for specifying I/O ports to export is amplified by IGBT drive module, control
IGBT pipes open and shut off, so as to realize the output of positive pulse electric current and negative pulse current, by the anti-battery reversal connection of diode,
Control negative pulse discharge direction.
8. quick charging system according to claim 1, it is characterised in that the negative pulse discharge energy feedback circuit is adopted
With energy feedback type electronic load topology, the negative pulse that will be produced passes through boosting and inversion generation and industrial frequency AC is input into power network width
The value output consistent with phase, and net of simultaneously wiring back.
9. a kind of high power digital frequency conversion positive negative pulse stuffing quick charge system based on energy feedback according to claim 1
System, it is characterised in that the Inverter Unit controls turning on and off for single-phase grid-connection inverter circuit MOSFET by SPWM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317349.2A CN104917270B (en) | 2015-06-11 | 2015-06-11 | High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510317349.2A CN104917270B (en) | 2015-06-11 | 2015-06-11 | High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104917270A CN104917270A (en) | 2015-09-16 |
| CN104917270B true CN104917270B (en) | 2017-06-06 |
Family
ID=54086085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510317349.2A Active CN104917270B (en) | 2015-06-11 | 2015-06-11 | High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104917270B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564393B (en) * | 2016-07-26 | 2023-08-25 | 华南理工大学 | High-power intelligent rapid charging power supply system of electric automobile and control method |
| CN106160108A (en) * | 2016-08-05 | 2016-11-23 | 东莞新能德科技有限公司 | A kind of charging method and charging device |
| CN107123836A (en) * | 2017-03-30 | 2017-09-01 | 宁德时代新能源科技股份有限公司 | Battery charging method and device |
| CN107394866A (en) * | 2017-08-28 | 2017-11-24 | 苏州易德龙科技股份有限公司 | A kind of high-frequency impulse energy-conservation charge and discharge power supply and charge and discharge control method |
| CN108258349A (en) * | 2018-03-02 | 2018-07-06 | 爱乐邦特（天津）科技有限公司 | A kind of charging method and charger of dual pwm modulation |
| CN108470915B (en) * | 2018-03-20 | 2020-11-20 | 福州鼎烯飞扬科技有限公司 | Intelligent electric bicycle quick-charging battery pack and charging method thereof |
| CN109687546A (en) * | 2018-12-22 | 2019-04-26 | 深圳市聚纵新能源科技有限公司 | A kind of power gain charging control circuit and its control method |
| CN109873471A (en) * | 2019-03-01 | 2019-06-11 | 安徽瑞赛克再生资源技术股份有限公司 | A kind of battery charger and charging method |
| CN112467810B (en) * | 2019-09-06 | 2022-11-29 | 河南森源电气股份有限公司 | Pulse type vehicle-mounted charger |
| CN111786447A (en) * | 2020-07-15 | 2020-10-16 | 河南城建学院 | Positive and negative pulse charging device |
| CN113791395B (en) * | 2021-08-04 | 2023-11-17 | 中国人民解放军国防科技大学 | Simultaneous polarization measurement method based on orthogonal intermittent sampling modulation radar signal |
| CN115529709B (en) * | 2022-11-24 | 2023-03-10 | 中国科学院合肥物质科学研究院 | Power supply suitable for plasma gun |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088173A (en) * | 2001-09-12 | 2003-03-20 | Mitsubishi Heavy Ind Ltd | Motor controller |
| CN101638199A (en) * | 2008-07-28 | 2010-02-03 | 上海斯堪亚电气调速设备有限公司 | Integrated device having energy feedback and blackout emergent functions |
| CN103427702A (en) * | 2013-08-30 | 2013-12-04 | 华南理工大学 | Digitization power system capable of achieving positive and negative pulse combination quick-acting charging of electric car |
| CN103606715A (en) * | 2013-11-07 | 2014-02-26 | 东北电力大学 | Constant-amplitude impulse current charging method combining positive and negative pulses |
| CN104242405A (en) * | 2014-09-29 | 2014-12-24 | 山东大学 | Quick charging system and method for power batteries of electric cars |
| CN104821643A (en) * | 2015-05-25 | 2015-08-05 | 青岛大学 | Robot wireless charging device |
| CN204732948U (en) * | 2015-06-11 | 2015-10-28 | 华南理工大学 | Based on the high power digital frequency conversion positive negative pulse stuffing quick charging system of energy feedback |
| CN205489733U (en) * | 2016-01-18 | 2016-08-17 | 长沙毅超自控技术有限公司 | Charger based on single chip microcomputer control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI462574B (en) * | 2011-01-25 | 2014-11-21 | Sunplus Technology Co Ltd | Vertical sync singal separating apparatus and method thereof |
-
2015
- 2015-06-11 CN CN201510317349.2A patent/CN104917270B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003088173A (en) * | 2001-09-12 | 2003-03-20 | Mitsubishi Heavy Ind Ltd | Motor controller |
| CN101638199A (en) * | 2008-07-28 | 2010-02-03 | 上海斯堪亚电气调速设备有限公司 | Integrated device having energy feedback and blackout emergent functions |
| CN103427702A (en) * | 2013-08-30 | 2013-12-04 | 华南理工大学 | Digitization power system capable of achieving positive and negative pulse combination quick-acting charging of electric car |
| CN103606715A (en) * | 2013-11-07 | 2014-02-26 | 东北电力大学 | Constant-amplitude impulse current charging method combining positive and negative pulses |
| CN104242405A (en) * | 2014-09-29 | 2014-12-24 | 山东大学 | Quick charging system and method for power batteries of electric cars |
| CN104821643A (en) * | 2015-05-25 | 2015-08-05 | 青岛大学 | Robot wireless charging device |
| CN204732948U (en) * | 2015-06-11 | 2015-10-28 | 华南理工大学 | Based on the high power digital frequency conversion positive negative pulse stuffing quick charging system of energy feedback |
| CN205489733U (en) * | 2016-01-18 | 2016-08-17 | 长沙毅超自控技术有限公司 | Charger based on single chip microcomputer control |
Non-Patent Citations (1)
| Title |
|---|
| 电动汽车用动力铅酸电池快速充电技术研究;王源;《中国优秀博硕士学位论文全文数据库 (硕士) 工程科技Ⅱ辑》;20061215(第12期);第33-41页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104917270A (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104917270B (en) | High power digital frequency conversion positive negative pulse stuffing quick charging system based on energy feedback | |
| CN202034903U (en) | Soft switching pressure rising direct current to direct current (DC-DC) convertor | |
| CN106059306B (en) | A kind of multiple-unit diode capacitance network high-gain full-bridge isolated DC converter | |
| CN103944246A (en) | System and method for rapidly charging energy-feedback type lead-acid battery | |
| CN106655872A (en) | Series transformer type LLC positive and negative pulse double-battery charging power system | |
| CN105529780B (en) | Adjacent Cell to Cell equalizing circuits and control method based on three resonant condition LC conversion | |
| CN207968040U (en) | A kind of Bidirectional variable-flow charging equipment based on energy feedback | |
| CN203840033U (en) | Cells to cells equalization circuit based on switch matrix and LC resonant conversion | |
| CN110048629A (en) | A kind of single input switching capacity multi-electrical level inverter and its modulator approach | |
| CN105305562B (en) | Accumulator is internalized into charge and discharge device and is internalized into charging/discharging apparatus | |
| CN109824127B (en) | System for performing electro-adsorption desalination by utilizing photovoltaic energy and using method thereof | |
| CN206564548U (en) | A kind of series transformer formula LLC positive negative pulse stuffings double cell charging power-supply system | |
| CN103475078B (en) | A kind of charging device of high-power power battery group | |
| CN105226925B (en) | A kind of inverse-excitation type single-phase inverter and its control method | |
| CN104410136A (en) | Interlaced modular Pack to Cell equalizer circuit and control method | |
| CN103241844B (en) | Bipolar pulse descaling method and its apparatus for eliminating sludge | |
| CN106208123A (en) | Electrokinetic cell energy-conservation partial volume apparatus | |
| CN106602653B (en) | A kind of lithium ion battery non-dissipative equalizing circuit | |
| CN202494763U (en) | Energy feedback type power battery testing device | |
| CN204732948U (en) | Based on the high power digital frequency conversion positive negative pulse stuffing quick charging system of energy feedback | |
| CN204304529U (en) | A kind of Pack to Cell equalizing circuit of deinterleaving block | |
| CN207053403U (en) | The low-power dissipation high pressure power module of Geiger Miller detector | |
| CN106655738A (en) | Electrolytic capacitor-free quasi single stage inverter and control method therefor | |
| CN104901543A (en) | Electrolytic power supply of electrolytic ballast water management system, and control method thereof | |
| CN102361341B (en) | Contravariant pulsed program controlled charging equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |