CN208530338U - A kind of intelligent charge power supply for electric car - Google Patents
A kind of intelligent charge power supply for electric car Download PDFInfo
- Publication number
- CN208530338U CN208530338U CN201821065351.0U CN201821065351U CN208530338U CN 208530338 U CN208530338 U CN 208530338U CN 201821065351 U CN201821065351 U CN 201821065351U CN 208530338 U CN208530338 U CN 208530338U
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- Prior art keywords
- circuit
- diode
- controller
- power supply
- electric car
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model provides a kind of intelligent charge power supply for electric car, including rectification circuit, PFC, LLC resonant converter, positive negative pulse stuffing generative circuit, controller, voltage sampling circuit, current sampling circuit, battery pack, battery status decision circuitry, communication interface, man-machine interface, fault secure circuit, power grid voltage detection circuit.The intelligent charge power supply that the utility model is made of rectification circuit, PFC, LLC resonant converter, positive negative pulse stuffing generative circuit, controller, LLC resonant converter realizes Sofe Switch under full-load range, DC/DC transfer efficiency is improved, is easy to improve the Stability and dependability of charge power supply；Positive negative pulse stuffing generative circuit can improve the ability that battery pack receives large current charge charge, and battery is effectively ensured and reaches optimal charging effect.
Description
Technical field
The utility model relates to electric car charging technique fields, and in particular to a kind of intelligent charge for electric car
Power supply.
Background technique
As low-carbon environment-friendly life style have swepts the globe, electric vehicle spreads to daily life on a large scale.It is electronic
Vehicle charge power supply is the basis of electric vehicle, and one of the restraining factors of electric vehicle development at present.Due to performances of the lead-acid battery
Stablize, cheap, good output, most power battery of electric vehicle uses lead-acid accumulator on the market.It is conventional at present
Lead-acid battery of electric vehicle charging modes frequently with constant-voltage charge, constant-current charge.But constant pressure and constant-current charge are simple and convenient,
But battery charging curve is not met, phenomena such as making entire charging process there is serious overcharge and gassings, cause to charge
Efficiency is too low, and the charging time is too long, is easily damaged battery.
Power supply is by the device that can be converted into electric energy of other forms.With implementing step by step for electric car key special subjects,
China has had been provided with preferably in terms of the new energy environmentally friendly vehicle such as fuel cell car, pure electric automobile and hybrid vehicle
Development ability, and AC/DC converter is the main power supply unit of electric car secondary power system.Traditional electric car charging electricity
Source uses pulse width modulation (PWM) control mostly, and switching device works in hard switching or phase shifting full bridge soft switch state, firmly
Switch causes switching loss, brings electromagnetic pollution.
Utility model content
(1) the technical issues of solving
The utility model problem in view of the above-mentioned defects in the prior art, provides a kind of intelligent charge for electric car
Power supply, the intelligence being made of rectification circuit, PFC, LLC resonant converter, positive negative pulse stuffing generative circuit, controller
Charge power supply, LLC resonant converter realize Sofe Switch under full-load range, improve DC/DC transfer efficiency, are easy to improve charging
The Stability and dependability of power supply；Positive negative pulse stuffing generative circuit can improve the ability that battery pack receives large current charge charge, have
Effect guarantees that battery reaches optimal charging effect.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
A kind of intelligent charge power supply for electric car, including rectification circuit, PFC, LLC resonant transformation
Device, positive negative pulse stuffing generative circuit, controller, voltage sampling circuit, current sampling circuit, battery pack, battery status decision circuitry,
Communication interface, man-machine interface, fault secure circuit, power grid voltage detection circuit；220V alternating current passes sequentially through rectification circuit, function
Rate factor correcting, LLC resonant converter, positive negative pulse stuffing generative circuit are connected with battery pack；Battery pack is judged by battery status
Circuit is connected with controller；LLC resonant converter output end passes through voltage sampling circuit, current sampling circuit and controller respectively
It is connected；Controller is connected by IGBT drive circuit with positive negative pulse stuffing generative circuit, controller pass through MOSFET driving circuit and
LLC resonant converter is connected；220V alternating current is connected by power grid voltage detection circuit with controller；Communication interface, man-machine boundary
Face, the peripheral circuit that fault secure circuit is controller are connected with controller respectively.
An embodiment according to the present utility model, the controller are DSP.
An embodiment according to the present utility model, the DSP are TMS320C2812 or TMS320C28335.
An embodiment according to the present utility model, the fault secure circuit include overheat protector, overcurrent protection, over-voltage guarantor
Shield, short-circuit protection.
An embodiment according to the present utility model, the PFC are passive power factor correction.
An embodiment according to the present utility model, the passive power factor correction include capacitor C1, C2 and diode
VD1, VD2, VD3, the one end capacitor C1 are connected with diode VD3 cathode, the capacitor C1 other end respectively with diode VD1 cathode, two
Pole pipe VD2 anode is connected, and diode VD2 cathode is connected with diode VD3 anode, the one end capacitor C2, the capacitor C2 other end and two
Pole pipe VD1 anode is connected.
An embodiment according to the present utility model, the LLC resonant converter include metal-oxide-semiconductor Q1, Q2, resonant inductance Lr,
Resonant capacitance Cr, magnetizing inductance Lm, transformer T1, filter capacitor Co, rectifier diode D1, D2, D3, D4；The leakage of metal-oxide-semiconductor Q1
Pole, Q2 source electrode be connected respectively with PFC output end, the source electrode of metal-oxide-semiconductor Q1 respectively with the drain electrode of metal-oxide-semiconductor Q2, resonance
The one end capacitor Cr is connected, and the resonant capacitance Cr other end is connected with the one end resonant inductance Lr, the resonant inductance Lr other end respectively with it is sharp
Magnetoelectricity sense Lm, transformer T1 primary side one end are connected, and the magnetizing inductance Lm other end is connected with the transformer T1 primary side other end；Transformer
T1 pair side one end is connected with diode D1 anode, diode D3 cathode respectively, the transformer T1 pair side other end respectively with diode
D2 anode, diode D4 cathode be connected, diode D1, diode D2 cathode be connected with the one end filter capacitor Co, filter capacitor
The Co other end is connected and is grounded with the anode of diode D1, diode D2 respectively.
(3) beneficial effect
The utility model has the beneficial effects that a kind of intelligent charge power supply for electric car, by rectification circuit, power because
The intelligent charge power supply that number correction, LLC resonant converter, positive negative pulse stuffing generative circuit, controller are constituted, LLC resonant converter
Sofe Switch is realized under full-load range, is improved DC/DC transfer efficiency, is easy to improve the Stability and dependability of charge power supply；
Positive negative pulse stuffing generative circuit can improve the ability that battery pack receives large current charge charge, and battery is effectively ensured and reaches optimal
Charging effect.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model principle block diagram；
Fig. 2 is PFC schematic diagram；
Fig. 3 is LLC resonant converter schematic diagram.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In conjunction with Fig. 1, a kind of intelligent charge power supply for electric car, including rectification circuit, PFC, LLC
Controlled resonant converter, positive negative pulse stuffing generative circuit, controller, voltage sampling circuit, current sampling circuit, battery pack, battery status
Decision circuitry, communication interface, man-machine interface, fault secure circuit, power grid voltage detection circuit.220V alternating current passes sequentially through whole
Current circuit, PFC, LLC resonant converter, positive negative pulse stuffing generative circuit are connected with battery pack；Battery pack passes through battery
Status determination circuit is connected with controller；LLC resonant converter output end passes through voltage sampling circuit, current sampling circuit respectively
It is connected with controller；Controller is connected by IGBT drive circuit with positive negative pulse stuffing generative circuit, and controller is driven by MOSFET
Dynamic circuit is connected with LLC resonant converter；220V alternating current is connected by power grid voltage detection circuit with controller；Communication connects
Mouth, man-machine interface, the peripheral circuit that fault secure circuit is controller are connected with controller respectively.
Controller is DSP, and DSP is TMS320C2812 or TMS320C28335, and controller may be implemented to charge to battery pack
Intelligent control.Fault secure circuit includes overheat protector, overcurrent protection, overvoltage protection, short-circuit protection.Man-machine interface can be real
When show the information such as charged state, charging voltage, charging current, the charging time of battery pack.220V alternating current and rectification circuit
Input terminal is connected, and rectification circuit can be rectifier bridge, and the output end of rectification circuit is connected with PFC input terminal；Power
Factor correcting can be passive power factor correction, the output end and the input terminal phase of LLC resonant converter of PFC
Even, the output end of LLC resonant converter is connected with positive negative pulse stuffing generative circuit input terminal, the power tube of positive negative pulse stuffing generative circuit
Using IGBT, the output end of positive negative pulse stuffing generative circuit is connected with battery pack, charges for battery pack.In order to realize power grid electricity
Pressure detection, 220V alternating current are connected by power grid voltage detection circuit with controller.In order to realize that controller and host computer carry out
Communication, controller peripheral circuit are equipped with communication interface circuit.In order to monitor the charged state of battery pack, battery pack passes through electricity
Pond status determination circuit is connected with controller.
In conjunction with Fig. 2, PFC is passive power factor correction.Passive power factor correction includes capacitor C1, C2
With diode VD1, VD2, VD3, the one end capacitor C1 is connected with diode VD3 cathode, the capacitor C1 other end respectively with diode VD1
Cathode, diode VD2 anode are connected, and diode VD2 cathode is connected with diode VD3 anode, the one end capacitor C2, and capacitor C2 is another
End is connected with diode VD1 anode.
In conjunction with Fig. 3, LLC resonant converter includes metal-oxide-semiconductor Q1, Q2, resonant inductance Lr, resonant capacitance Cr, magnetizing inductance Lm,
Transformer T1, filter capacitor Co, rectifier diode D1, D2, D3, D4；The drain electrode of metal-oxide-semiconductor Q1, Q2 source electrode respectively with power because
Number correction output end is connected, and the source electrode of metal-oxide-semiconductor Q1 is connected with the drain electrode of metal-oxide-semiconductor Q2, the one end resonant capacitance Cr respectively, resonant capacitance
The Cr other end is connected with the one end resonant inductance Lr, the resonant inductance Lr other end respectively with magnetizing inductance Lm, transformer T1 primary side one
End is connected, and the magnetizing inductance Lm other end is connected with the transformer T1 primary side other end；Transformer T1 pair side one end respectively with diode
D1 anode, diode D3 cathode be connected, the transformer T1 pair side other end respectively with diode D2 anode, diode D4 cathode phase
Even, diode D1, diode D2 cathode be connected with the one end filter capacitor Co, the filter capacitor Co other end respectively with diode
D1, diode D2 anode be connected and be grounded.
LLC resonant converter uses frequency control (PFM), and primary side MOS power switch tube can be realized under full-load range
No-voltage is opened and the Sofe Switch state of secondary side rectifier diode zero-current switching, and current work is in sinuous state, to external radiation
It is smaller, it is not necessarily to external any snubber circuit, is easy to improve the Stability and dependability of charge power supply, transfer efficiency is opposite to move
Phase full bridge soft switch converter is higher.
In conclusion the utility model embodiment, for the intelligent charge power supply of electric car, by rectification circuit, power
The intelligent charge power supply that factor correcting, LLC resonant converter, positive negative pulse stuffing generative circuit, controller are constituted, LLC resonant transformation
Device realizes Sofe Switch under full-load range, improves DC/DC transfer efficiency, is easy to improve the stability of charge power supply and reliable
Property；Positive negative pulse stuffing generative circuit can improve the ability that battery pack receives large current charge charge, and battery is effectively ensured and reaches most
Good charging effect.
Above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to aforementioned reality
Example is applied the utility model is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and model of various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (7)
1. a kind of intelligent charge power supply for electric car, it is characterised in that: including rectification circuit, PFC, LLC
Controlled resonant converter, positive negative pulse stuffing generative circuit, controller, voltage sampling circuit, current sampling circuit, battery pack, battery status
Decision circuitry, communication interface, man-machine interface, fault secure circuit, power grid voltage detection circuit；220V alternating current passes sequentially through whole
Current circuit, PFC, LLC resonant converter, positive negative pulse stuffing generative circuit are connected with battery pack；Battery pack passes through battery
Status determination circuit is connected with controller；LLC resonant converter output end passes through voltage sampling circuit, current sampling circuit respectively
It is connected with controller；Controller is connected by IGBT drive circuit with positive negative pulse stuffing generative circuit, and controller is driven by MOSFET
Dynamic circuit is connected with LLC resonant converter；220V alternating current is connected by power grid voltage detection circuit with controller；Communication connects
Mouth, man-machine interface, the peripheral circuit that fault secure circuit is controller are connected with controller respectively.
2. a kind of intelligent charge power supply for electric car as described in claim 1, which is characterized in that the controller is
DSP。
3. a kind of intelligent charge power supply for electric car as claimed in claim 2, which is characterized in that the DSP is
TMS320C2812 or TMS320C28335.
4. a kind of intelligent charge power supply for electric car as claimed in claim 3, which is characterized in that the error protection
Circuit includes overheat protector, overcurrent protection, overvoltage protection, short-circuit protection.
5. a kind of intelligent charge power supply for electric car as described in claim 1, which is characterized in that the power factor
It is corrected to passive power factor correction.
6. a kind of intelligent charge power supply for electric car as claimed in claim 5, which is characterized in that the Passive Power
Factor correcting includes capacitor C1, C2 and diode VD1, VD2, VD3, and the one end capacitor C1 is connected with diode VD3 cathode, capacitor C1
The other end is connected with diode VD1 cathode, diode VD2 anode respectively, diode VD2 cathode and diode VD3 anode, capacitor
The one end C2 is connected, and the capacitor C2 other end is connected with diode VD1 anode.
7. a kind of intelligent charge power supply for electric car as described in claim 1, which is characterized in that the LLC resonance
Converter includes metal-oxide-semiconductor Q1, Q2, resonant inductance Lr, resonant capacitance Cr, magnetizing inductance Lm, transformer T1, filter capacitor Co, whole
Flow diode D1, D2, D3, D4；The drain electrode of metal-oxide-semiconductor Q1, the source electrode of Q2 are connected with PFC output end respectively, metal-oxide-semiconductor
The source electrode of Q1 is connected with the drain electrode of metal-oxide-semiconductor Q2, the one end resonant capacitance Cr respectively, the resonant capacitance Cr other end and resonant inductance Lr mono-
End is connected, and the resonant inductance Lr other end is connected with magnetizing inductance Lm, transformer T1 primary side one end respectively, the magnetizing inductance Lm other end
It is connected with the transformer T1 primary side other end；Transformer T1 pair side one end is connected with diode D1 anode, diode D3 cathode respectively,
The transformer T1 pair side other end is connected with diode D2 anode, diode D4 cathode respectively, the cathode of diode D1, diode D2
It is connected with the one end filter capacitor Co, the filter capacitor Co other end is connected and is grounded with the anode of diode D1, diode D2 respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065351.0U CN208530338U (en) | 2018-07-06 | 2018-07-06 | A kind of intelligent charge power supply for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821065351.0U CN208530338U (en) | 2018-07-06 | 2018-07-06 | A kind of intelligent charge power supply for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208530338U true CN208530338U (en) | 2019-02-22 |
Family
ID=65386767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821065351.0U Expired - Fee Related CN208530338U (en) | 2018-07-06 | 2018-07-06 | A kind of intelligent charge power supply for electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208530338U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745026A (en) * | 2019-11-04 | 2020-02-04 | 武昌首义学院 | Intelligent charging stake |
-
2018
- 2018-07-06 CN CN201821065351.0U patent/CN208530338U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745026A (en) * | 2019-11-04 | 2020-02-04 | 武昌首义学院 | Intelligent charging stake |
| CN110745026B (en) * | 2019-11-04 | 2021-04-02 | 武昌首义学院 | Intelligent charging stake |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20190706 |