CN109733223A - A kind of assisted charging system and its control method - Google Patents
A kind of assisted charging system and its control method Download PDFInfo
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- CN109733223A CN109733223A CN201910031814.4A CN201910031814A CN109733223A CN 109733223 A CN109733223 A CN 109733223A CN 201910031814 A CN201910031814 A CN 201910031814A CN 109733223 A CN109733223 A CN 109733223A
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 40
- 230000005611 electricity Effects 0.000 claims description 9
- 238000004146 energy storage Methods 0.000 abstract description 6
- 230000007812 deficiency Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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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
-
- 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
-
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of assisted charging system and its control method, assisted charging system includes to include solar panel, booster battery, integrated charging circuit, signal acquisition module and power management chip；Solar panel, booster battery are connect by integrated charging circuit with external battery to be charged；Signal acquisition module one end is connected with external battery to be charged, and the other end is connected with power management chip.When work, voltage, the current signal of the external power supply to be charged of signal acquisition module acquisition；Power management chip controls integrated charging circuit work according to the information of signal acquisition module.Solar panel and booster battery can avoid the situation of power-type electric quantity of power supply deficiency, and control mode multiplicity, be able to ascend the overall performance of energy-storage system as additional charging unit while increasing continual mileage in the present invention.
Description
Technical field
The present invention relates to new-energy automobile energy-storage system more particularly to a kind of auxiliary charging device and its control methods.
Background technique
With the exacerbation of energy crisis and environmental pollution, energy-saving and emission-reduction have become the common objective of Global Auto industry, but
Query is still endured to the fullest extent by the new energy vehicle of representative of electric car, wherein being largely because the bottleneck of battery technology.One
Aspect becomes new-energy automobile using lithium ion single battery as the electrokinetic cell system of element combination series battery administrative skill
The development trend of energy storage device, but its power density is lower, and under the driving cycle of vehicle complexity, performance and service life are all by very
Big test.On the other hand, the characteristic of the promotion due to capacitance grade and high power density itself, super capacitor is in many Gao Gong
It is applied in rate demand equipment, the effect of its " inhaling peak load " can be played.Therefore, combining super capacitor and power battery pack
At energy storage device, can effectively reduce the heavy current impact of power battery, extend battery life, while playing high-energy density
With the performance of high power density.However, super capacitor is often in vehicle due to the complexity and unpredictability of automobile running working condition
For a long time travel or continue high-power output in the case where, consume energy rapidly, lead to the too low influence energy storage system of voltage class
System whole efficiency, at this time as occurred the power demand of transition again, then can not get both drive/braking ability and reduction battery impact.
Summary of the invention
The technical problem to be solved by the present invention is to for involved defect in background technique, provide a kind of auxiliary to fill
Electric system and its control method.
The present invention uses following technical scheme to solve above-mentioned technical problem:
A kind of assisted charging system, comprising solar panel, booster battery, integrated charging circuit, signal acquisition module with
And power management chip；
The solar panel, booster battery are connect by integrated charging circuit with external battery to be charged；
Described signal acquisition module one end is connected with external battery to be charged, and the other end is connected with the power management chip, uses
In voltage, the current signal of the external power supply to be charged of acquisition, and pass it to the power management chip；
The integrated charging circuit includes the first to the 5th IGBT switch, the first to the 7th diode, the first inductance, the second electricity
Sense, the first filter capacitor and the second filter capacitor；
One end of first filter capacitor is filtered with the cathode of booster battery, one end of solar panel, second respectively
One end of capacitor, the emitter of the 3rd IGBT switch, the anode of third diode, the emitter of the 4th IGBT switch, the four or two
The anode of pole pipe, external battery to be charged one end be connected, the other end respectively with the emitter of the first IGBT switch, the one or two pole
The anode of pipe, the anode of booster battery are connected；
Collector that the collector of first IGBT switch is switched with the cathode of first diode, the 2nd IGBT respectively, second
The cathode of diode is connected；
The other end of second filter capacitor is connected with one end of the other end of solar panel, the first inductance respectively；Institute
The other end for stating the first inductance is connected with the anode of the 6th diode；
The cathode of 6th diode respectively with the 2nd IGBT switch emitter, the anode of the second diode, third
The collector of IGBT switch, the cathode of third diode, one end of the second inductance are connected；
The anode of emitter, the 5th diode that the other end of second inductance is switched with the 5th IGBT respectively, the 4th
The collector of IGBT switch, the cathode of the 4th diode are connected；
The collector of the 5th IGBT switch is connected with the anode of the cathode of the 5th diode, the 7th diode respectively；
The cathode of 7th diode is connected with the other end of external battery to be charged；
The gate pole that the power management chip is switched with signal acquisition module and the first to the 5th IGBT respectively is connected, and is used for
Integrated charging circuit work is controlled according to the information of signal acquisition module, so that solar panel is filled to external battery to be charged
Electricity or solar energy charge to booster battery or solar battery gives external battery to be charged and booster battery to charge simultaneously,
Or booster battery is to external battery charging to be charged.
The invention also discloses a kind of control methods of assisted charging system comprising the steps of:
When needing to charge only with solar panel to external battery to be charged, power management chip control first, second,
Third, the 5th IGBT switch disconnect, and drive the 4th IGBT to switch work by preset first duty ratio high-frequency square-wave signal,
It is set to charge with first capacitor, the second capacitor composition boost amplifying circuit to external battery to be charged；
When outside, battery rated operational voltage to be charged is higher than booster battery, needs to give auxiliary electric power storage using solar panel
When pond is charged, the 5th diode is not turned at this time, and power management chip controls second, the four, the 5th IGBT switch and disconnects, control
First IGBT switch connection, and drive the 3rd IGBT to switch work, composition by preset second duty ratio high-frequency square-wave signal
Boost amplifying circuit charges to booster battery；
When needing to control solar panel while charging to external battery to be charged and booster battery, power management chip
Control second, third, the 5th IGBT switch disconnect, and pass through preset third duty ratio high-frequency square-wave signal, the preset 4th
Duty ratio high-frequency square-wave signal respectively drives the first IGBT switch, the 4th IGBT switch work；
When the voltage that solar panel generates can not the 6th diode of forward conduction, need using booster battery to it is external to
When rechargeable battery charges, power management chip control first, third, the 5th IGBT switch are disconnected, and control the 2nd IGBT switch connects
It is logical, and drive the 4th IGBT to switch work by preset 5th duty ratio high-frequency square-wave signal.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
In the present invention, solar panel and booster battery can increase continual mileage as additional charging unit
Meanwhile the situation of power-type electric quantity of power supply deficiency is avoided, and control mode multiplicity, it is able to ascend the overall performance of energy-storage system.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the integrated circuit schematic of assisted charging system in the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
The present invention can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein.On the contrary, providing
These embodiments are thoroughly and complete to make the disclosure, and will give full expression to the scope of the present invention to those skilled in the art.
In the accompanying drawings, for the sake of clarity it is exaggerated component.
As shown in Figure 1, including solar panel, booster battery, collection the invention discloses a kind of assisted charging system
At charging circuit, signal acquisition module and power management chip；
The solar panel, booster battery are connect by integrated charging circuit with external battery to be charged；
Described signal acquisition module one end is connected with external battery to be charged, and the other end is connected with the power management chip, uses
In voltage, the current signal of the external power supply to be charged of acquisition, and pass it to the power management chip；
The integrated charging circuit includes the first to the 5th IGBT switch, the first to the 7th diode, the first inductance, the second electricity
Sense, the first filter capacitor and the second filter capacitor；
One end of first filter capacitor is filtered with the cathode of booster battery, one end of solar panel, second respectively
One end of capacitor, the emitter of the 3rd IGBT switch, the anode of third diode, the emitter of the 4th IGBT switch, the four or two
The anode of pole pipe, external battery to be charged one end be connected, the other end respectively with the emitter of the first IGBT switch, the one or two pole
The anode of pipe, the anode of booster battery are connected；
Collector that the collector of first IGBT switch is switched with the cathode of first diode, the 2nd IGBT respectively, second
The cathode of diode is connected；
The other end of second filter capacitor is connected with one end of the other end of solar panel, the first inductance respectively；Institute
The other end for stating the first inductance is connected with the anode of the 6th diode；
The cathode of 6th diode respectively with the 2nd IGBT switch emitter, the anode of the second diode, third
The collector of IGBT switch, the cathode of third diode, one end of the second inductance are connected；
The anode of emitter, the 5th diode that the other end of second inductance is switched with the 5th IGBT respectively, the 4th
The collector of IGBT switch, the cathode of the 4th diode are connected；
The collector of the 5th IGBT switch is connected with the anode of the cathode of the 5th diode, the 7th diode respectively；
The cathode of 7th diode is connected with the other end of external battery to be charged；
The gate pole that the power management chip is switched with signal acquisition module and the first to the 5th IGBT respectively is connected, and is used for
Integrated charging circuit work is controlled according to the information of signal acquisition module, so that solar panel is filled to external battery to be charged
Electricity or solar energy charge to booster battery or solar battery gives external battery to be charged and booster battery to charge simultaneously,
Or booster battery is to external battery charging to be charged.
For using super capacitor group as external battery to be charged, as shown in Fig. 2, the topological structure packet of integrated charging circuit
Containing T0、T1、T2、T3、T4Five IGBT switches (respectively corresponding the first to the 5th IGBT switch) and diode D in parallel therewith0、
D1、D2、D3、D4(respectively corresponding the first to the 5th diode)；Inductance LP(the first inductance), inductance LC(the second inductance) connects together
Work changes system structure parameter, Lifting Transform device step-up ratio；It is diode DP(the 6th diode), diode DC(the 7th
Diode) the reverse conducting that prevents electric current, it is filter capacitor CP(the second filter capacitor), filter capacitor Cb(the first filtered electrical
Hold) stabling current.
The working condition of integrated charging circuit is divided into four kinds of modes, comprising: solar panel charges to super capacitor
(mode 1), solar energy charge (mode 2) to booster battery, and solar battery is filled to super capacitor and booster battery simultaneously
Electric (mode 3) and booster battery charge (mode 4) to super capacitor.
When mode 1 works, T0、T1、T2、T4It disconnects, T3By duty ratio be preset first duty ratio of d1() high frequency square wave
Signal driving, with LP、LCBoost amplifying circuit is formed to charge to super capacitor.
When mode 2 works, T1、T3、T4It disconnects, T0It connects, and T2Working in duty ratio is preset second duty ratio of d2()
High-frequency signal under, constantly conducting disconnect, with LPComposition boost amplifying circuit charges a battery.Since super capacitor is specified
Operating voltage (U0/ 2) it is higher than booster battery therefore D4It does not turn on.
When mode 3 works, T1、T2、T4It disconnects, T0、T3Respectively by the preset third duty ratio of duty ratio d3(), d4(it is default
The 4th duty ratio) driving, by the adjusting of d3, d4, can in super capacitor electricity abundance extension energy to electric power storage
Pond charging.
When mode 4 works, T0、T2、T4It disconnects, T1It connects, T3By duty ratio be preset 5th duty ratio of d5() high frequency
Square-wave signal driving.Night, when solar panel does not generate electricity, capacitor CPHold voltage very little can not forward conduction diode DP, because
This does not influence booster battery and charges to super capacitor.
Power management chip estimates remaining capacity according to the information of voltage of collected super capacitor, and integrated by control
Insulated gate bipolar transistor in charging circuit, between reasonable arrangement solar battery, booster battery and super capacitor group
Electric energy distribution.When super-capacitor voltage grade is too low, solar battery can be directly to super capacitor through voltage changer
Charging, extra energy are stored in battery；When night solar panels do not work, the alternative solar panel of battery
Give super capacitor charging, to avoid power battery for a long time big load operation (long-distance to run at high speed) when, super capacitor electricity mistake
Cross the problem of consumption causes.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in fields of the present invention.Also
It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art
The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (2)
1. a kind of assisted charging system, which is characterized in that include solar panel, booster battery, integrated charging circuit, letter
Number acquisition module and power management chip；
The solar panel, booster battery are connect by integrated charging circuit with external battery to be charged；
Described signal acquisition module one end is connected with external battery to be charged, and the other end is connected with the power management chip, uses
In voltage, the current signal of the external power supply to be charged of acquisition, and pass it to the power management chip；
The integrated charging circuit includes the first to the 5th IGBT switch, the first to the 7th diode, the first inductance, the second electricity
Sense, the first filter capacitor and the second filter capacitor；
One end of first filter capacitor is filtered with the cathode of booster battery, one end of solar panel, second respectively
One end of capacitor, the emitter of the 3rd IGBT switch, the anode of third diode, the emitter of the 4th IGBT switch, the four or two
The anode of pole pipe, external battery to be charged one end be connected, the other end respectively with the emitter of the first IGBT switch, the one or two pole
The anode of pipe, the anode of booster battery are connected；
Collector that the collector of first IGBT switch is switched with the cathode of first diode, the 2nd IGBT respectively, second
The cathode of diode is connected；
The other end of second filter capacitor is connected with one end of the other end of solar panel, the first inductance respectively；Institute
The other end for stating the first inductance is connected with the anode of the 6th diode；
The cathode of 6th diode respectively with the 2nd IGBT switch emitter, the anode of the second diode, third
The collector of IGBT switch, the cathode of third diode, one end of the second inductance are connected；
The anode of emitter, the 5th diode that the other end of second inductance is switched with the 5th IGBT respectively, the 4th
The collector of IGBT switch, the cathode of the 4th diode are connected；
The collector of the 5th IGBT switch is connected with the anode of the cathode of the 5th diode, the 7th diode respectively；
The cathode of 7th diode is connected with the other end of external battery to be charged；
The gate pole that the power management chip is switched with signal acquisition module and the first to the 5th IGBT respectively is connected, and is used for
Integrated charging circuit work is controlled according to the information of signal acquisition module, so that solar panel is filled to external battery to be charged
Electricity or solar energy charge to booster battery or solar battery gives external battery to be charged and booster battery to charge simultaneously,
Or booster battery is to external battery charging to be charged.
2. the control method based on assisted charging system as claimed in claim 2, which is characterized in that comprise the steps of:
When needing to charge only with solar panel to external battery to be charged, power management chip control first, second,
Third, the 5th IGBT switch disconnect, and drive the 4th IGBT to switch work by preset first duty ratio high-frequency square-wave signal,
It is set to charge with first capacitor, the second capacitor composition boost amplifying circuit to external battery to be charged；
When outside, battery rated operational voltage to be charged is higher than booster battery, needs to give auxiliary electric power storage using solar panel
When pond is charged, the 5th diode is not turned at this time, and power management chip controls second, the four, the 5th IGBT switch and disconnects, control
First IGBT switch connection, and drive the 3rd IGBT to switch work, composition by preset second duty ratio high-frequency square-wave signal
Boost amplifying circuit charges to booster battery；
When needing to control solar panel while charging to external battery to be charged and booster battery, power management chip
Control second, third, the 5th IGBT switch disconnect, and pass through preset third duty ratio high-frequency square-wave signal, the preset 4th
Duty ratio high-frequency square-wave signal respectively drives the first IGBT switch, the 4th IGBT switch work；
When the voltage that solar panel generates can not the 6th diode of forward conduction, need using booster battery to it is external to
When rechargeable battery charges, power management chip control first, third, the 5th IGBT switch are disconnected, and control the 2nd IGBT switch connects
It is logical, and drive the 4th IGBT to switch work by preset 5th duty ratio high-frequency square-wave signal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910031814.4A CN109733223A (en) | 2019-01-14 | 2019-01-14 | A kind of assisted charging system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910031814.4A CN109733223A (en) | 2019-01-14 | 2019-01-14 | A kind of assisted charging system and its control method |
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|---|---|---|---|---|
| CN101685986A (en) * | 2009-05-21 | 2010-03-31 | 复旦大学 | Wind and light complementary power generation system using super capacitor |
| CN201703265U (en) * | 2010-06-11 | 2011-01-12 | 高国风 | Solar electric driving system of electric vehicle |
| CN103326419A (en) * | 2013-05-16 | 2013-09-25 | 国家电网公司 | Solar electricity-taking combined energy-storage uninterruptible power supply device |
| CN105391157A (en) * | 2015-12-21 | 2016-03-09 | 浙江尚越新能源开发有限公司 | Long-acting integrated power supply system based on thin-film solar battery and charging method |
| CN205239177U (en) * | 2015-12-15 | 2016-05-18 | 吉林大学 | Electricelectric moves whole car energy management system of public bus with compound energy storage system |
| CN205706054U (en) * | 2016-04-07 | 2016-11-23 | 东北林业大学 | The solar powered automotive air-conditioning system of remote pilot |
| CN108964081A (en) * | 2018-05-31 | 2018-12-07 | 湖北工业大学 | It is a kind of applied to stablize microgrid energy-storage system output circuit structure |
-
2019
- 2019-01-14 CN CN201910031814.4A patent/CN109733223A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101685986A (en) * | 2009-05-21 | 2010-03-31 | 复旦大学 | Wind and light complementary power generation system using super capacitor |
| CN201703265U (en) * | 2010-06-11 | 2011-01-12 | 高国风 | Solar electric driving system of electric vehicle |
| CN103326419A (en) * | 2013-05-16 | 2013-09-25 | 国家电网公司 | Solar electricity-taking combined energy-storage uninterruptible power supply device |
| CN205239177U (en) * | 2015-12-15 | 2016-05-18 | 吉林大学 | Electricelectric moves whole car energy management system of public bus with compound energy storage system |
| CN105391157A (en) * | 2015-12-21 | 2016-03-09 | 浙江尚越新能源开发有限公司 | Long-acting integrated power supply system based on thin-film solar battery and charging method |
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| CN108964081A (en) * | 2018-05-31 | 2018-12-07 | 湖北工业大学 | It is a kind of applied to stablize microgrid energy-storage system output circuit structure |
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Application publication date: 20190510 |