CN109050299A - A kind of charging system and its charge control method for vehicle - Google Patents
A kind of charging system and its charge control method for vehicle Download PDFInfo
- Publication number
- CN109050299A CN109050299A CN201810890181.8A CN201810890181A CN109050299A CN 109050299 A CN109050299 A CN 109050299A CN 201810890181 A CN201810890181 A CN 201810890181A CN 109050299 A CN109050299 A CN 109050299A
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- vehicle
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008859 change Effects 0.000 claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 230000001939 inductive effect Effects 0.000 claims abstract description 7
- 230000004044 response Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
Classifications
-
- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- 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
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of charging systems and its charge control method for vehicle, it include: the switching frequency that controller changes inverter based on the charging voltage data from vehicle, so that inverter work is driving the voltage of the energy-storage capacitor of the battery charger of vehicle to steady state value, wherein inverter is configured as receiving rectified rail voltage and electric current to power to primary coil with the inductive charge current in the secondary coil of vehicle；The change of the frequency also makes the inverter work with the power line voltage phase by the input current phase driven of the inverter to rectification；Further include the angle of phase displacement for changing inverter, the change of frequency is restricted to specified frequency band.
Description
Technical field
The present invention relates to vehicle technology fields, in particular to a kind of charging system for vehicle and its charging
Control method.
Background technique
Term " electric vehicle " can be used for the vehicle for describing to have at least one for the motor of vehicle propulsion, such as electricity
Pond electric vehicle (BEV) and hybrid electric vehicle (HEV).BEV includes at least one motor, wherein the energy of motor
Source is the battery that can be recharged from external electrical network.HEV includes internal combustion engine and one or more motor, wherein the energy of engine
Source is fuel, and the energy source of motor is battery.HEV battery can be the battery of larger capacity, can be from external electrical
Net recharges and may be used as the primary energy source of vehicle propulsion, and until battery is depleted to low energy level, HEV can be at this time
It is at least partly dependent on the internal combustion engine for vehicle propulsion.
How effectively to control electric vehicle to charge, maintain the safe charging of electric vehicle and puts in safe range
Electricity, this is the problem that this field needs to solve in the stage that the following electric vehicle is popularized.
Summary of the invention
The invention proposes a kind of charging systems of vehicle, comprising:
Inverter is configured as receiving rail voltage and the electric current of rectification to power to primary coil in the secondary of vehicle
Inductive charge current in coil；With
Controller is configured as changing the switching frequency of inverter based on the charging voltage data from vehicle, so that
Inverter operation is driving the voltage of the energy-storage capacitor of the battery charger of vehicle to steady state value.
The system, the change of the frequency make the inverter operation also mutually to drive the mains input current of rectification
Move the power line voltage phase of rectification.
The system, the controller is additionally configured to change the angle of phase displacement of the inverter, by the frequency
Change is restricted to specified frequency band.
The system, the change of the angle of phase displacement be based on primary inductance, secondary inductance and primary coil with
One of coefficient of coup between secondary coil.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the angle of phase displacement include change issued to the controller it is continuous
Period between shutdown command controls main switch.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue open one switch order it
Afterwards, order is issued, another switch is closed, is less than predetermined threshold in response to the voltage that switch order is opened.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue close one switch order it
Afterwards, order is issued, another switch is opened, the electric current at switch closed in response to order is less than predetermined threshold.
A kind of charge control method for vehicle, comprising:
Controller based on from vehicle charging voltage data change inverter switching frequency so that inverter work with
The voltage of the energy-storage capacitor of the battery charger of vehicle is driven to steady state value, wherein inverter is configured as receiving rectified
Rail voltage and electric current with to primary coil power with the inductive charge current in the secondary coil of vehicle；
The change of the frequency also make inverter work with by the input current phase driven of the inverter to whole
The power line voltage phase of stream；Further include the angle of phase displacement for changing inverter, the change of frequency is restricted to specified frequency band.
The method, the change of the angle of phase displacement be based on primary inductance, secondary inductance and primary coil with
One of coefficient of coup between secondary coil；The inverter includes two main switches, and described two main switches are configured as ringing
The order of controller described in Ying Yu and open and close, and wherein the change of the angle of phase displacement includes changing to the controller
Issue the period control main switch between continuous shutdown command；The inverter includes two main switches, and described two masters open
It closes the order for being configured to respond to the controller and opens and closes, and wherein the change of the frequency is included in sending
After the order for opening a switch, order is issued, closes another switch, the voltage of responding to switch instruction unpack is lower than predetermined
Threshold value.
The method, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue close one switch order it
Afterwards, order is issued, another switch is opened, responding to switch instructs close electric current lower than predetermined threshold.
Detailed description of the invention
From following description with reference to the accompanying drawings it will be further appreciated that the present invention.Component in figure is not drawn necessarily to scale,
But it focuses on and shows in the principle of embodiment.In the figure in different views, identical appended drawing reference is specified to be corresponded to
Part.
Fig. 1 is a kind of schematic diagram of charge control method for vehicle of the invention.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this
Invention is further elaborated；It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, and does not have to
It is of the invention in limiting.To those skilled in the art, after access is described in detail below, other systems of the present embodiment
System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in
It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below
The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one:
The invention proposes a kind of charging systems of vehicle, comprising:
Inverter is configured as receiving rail voltage and the electric current of rectification to power to primary coil in the secondary of vehicle
Inductive charge current in coil；With
Controller is configured as changing the switching frequency of inverter based on the charging voltage data from vehicle, so that
Inverter operation is driving the voltage of the energy-storage capacitor of the battery charger of vehicle to steady state value.
The system, the change of the frequency make the inverter operation also mutually to drive the mains input current of rectification
Move the power line voltage phase of rectification.
The system, the controller is additionally configured to change the angle of phase displacement of the inverter, by the frequency
Change is restricted to specified frequency band.
The system, the change of the angle of phase displacement be based on primary inductance, secondary inductance and primary coil with
One of coefficient of coup between secondary coil.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the angle of phase displacement include change issued to the controller it is continuous
Period between shutdown command controls main switch.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue open one switch order it
Afterwards, order is issued, another switch is closed, is less than predetermined threshold in response to the voltage that switch order is opened.
The system, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue close one switch order it
Afterwards, order is issued, another switch is opened, the electric current at switch closed in response to order is less than predetermined threshold.
Embodiment two:
As shown in Figure 1, for a kind of charge control method for vehicle of the present invention, comprising:
Controller based on from vehicle charging voltage data change inverter switching frequency so that inverter work with
The voltage of the energy-storage capacitor of the battery charger of vehicle is driven to steady state value, wherein inverter is configured as receiving rectified
Rail voltage and electric current with to primary coil power with the inductive charge current in the secondary coil of vehicle；
The change of the frequency also make inverter work with by the input current phase driven of the inverter to whole
The power line voltage phase of stream；Further include the angle of phase displacement for changing inverter, the change of frequency is restricted to specified frequency band.
The method, the change of the angle of phase displacement be based on primary inductance, secondary inductance and primary coil with
One of coefficient of coup between secondary coil；The inverter includes two main switches, and described two main switches are configured as ringing
The order of controller described in Ying Yu and open and close, and wherein the change of the angle of phase displacement includes changing to the controller
Issue the period control main switch between continuous shutdown command；The inverter includes two main switches, and described two masters open
It closes the order for being configured to respond to the controller and opens and closes, and wherein the change of the frequency is included in sending
After the order for opening a switch, order is issued, closes another switch, the voltage of responding to switch instruction unpack is lower than predetermined
Threshold value.
The method, the inverter include two main switches, and described two main switches are configured to respond to described
The order of controller and open and close, and wherein the change of the frequency include issue close one switch order it
Afterwards, order is issued, another switch is opened, responding to switch instructs close electric current lower than predetermined threshold.
Embodiment three:
A kind of charge control system for vehicle, comprising:
Traction battery；With
Energy storage capacitor, be configured as transmission be used for battery charging current, wherein capacitor be connected to battery and
Between plug-in type charging port, which is configured as receiving the charging current conductively transmitted, and vehicle
Coil is configured to respond to battery current and generates charging current.Close to source coil.
The system further includes the conduction power factor school between the capacitor and the plug-in type charging port
Positive circuit, and lack induced power factor correcting electricity between the capacitor and the power supply line powered for the source coil
Road.
The system, wherein the source coil, by inverter power supply, the inverter is configured as receiving rectified
Rail voltage and electric current, and operated based on the charging voltage data from the vehicle according to switching frequency.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.That is methods discussed above, system or equipment etc. show
Example.Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with
Described order in a different order executes method, and/or can add, and omits and/or combine the various stages.Moreover, about
The feature of certain configuration descriptions can be combined with various other configurations.Can combine in a similar way configuration different aspect and
Element.In addition, many elements are only range of the example without limiting the disclosure or claims with the development of technology.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However,
Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, process, calculation
Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited
The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art
Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure
It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process
It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to pass through hardware, soft
Part, firmware, middleware, code, hardware description language or any combination thereof carry out the example of implementation method.When software, firmware, in
Between when realizing in part or code, program code or code segment for executing necessary task can store in such as storage medium
In non-transitory computer-readable medium, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that described
Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using
In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology
Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited
Fixed range.
Claims (10)
1. a kind of charging system of vehicle characterized by comprising
Inverter is configured as receiving rail voltage and the electric current of rectification to power to primary coil in the secondary coil of vehicle
Middle inductive charge current；With
Controller is configured as changing the switching frequency of inverter based on the charging voltage data from vehicle, so that inversion
Device is operated driving the voltage of the energy-storage capacitor of the battery charger of vehicle to steady state value.
2. system according to claim 1, which is characterized in that the change of the frequency makes the inverter operation also to incite somebody to action
The mains input current of rectification mutually drives the power line voltage phase of rectification.
3. system according to claim 1, which is characterized in that the controller is additionally configured to change the inverter
The change of the frequency is restricted to specified frequency band by angle of phase displacement.
4. system as claimed in claim 3, which is characterized in that the change of the angle of phase displacement is based on primary inductance, secondary
One of coefficient of coup between coil inductance and primary coil and secondary coil.
5. system according to claim 3, which is characterized in that the inverter includes two main switches, described two masters
Switch is configured to respond to the order of the controller and opens and closes, and wherein the change of the angle of phase displacement includes changing
Controller described in deflecting issues the control of the period between continuous shutdown command main switch.
6. system according to claim 1, which is characterized in that the inverter includes two main switches, described two masters
Switch is configured to respond to the order of the controller and opens and closes, and wherein the change of the frequency is included in hair
After the order for opening a switch out, order is issued, another switch is closed, the voltage opened in response to switch order is less than
Predetermined threshold.
7. the system as claimed in claim 1, which is characterized in that the inverter includes two main switches, and described two masters open
It closes the order for being configured to respond to the controller and opens and closes, and wherein the change of the frequency is included in sending
It closes after the order of a switch, issues order, open another switch, the electric current at switch closed in response to order is small
In predetermined threshold.
8. a kind of charge control method for vehicle characterized by comprising
Controller changes the switching frequency of inverter based on the charging voltage data from vehicle, so that inverter work is with by vehicle
The voltage of energy-storage capacitor of battery charger drive to steady state value, wherein inverter is configured as receiving rectified dry
Line voltage and electric current are to power to primary coil with the inductive charge current in the secondary coil of vehicle；
The change of the frequency also make inverter work with by the input current phase driven of the inverter to rectifying
Power line voltage phase；Further include the angle of phase displacement for changing inverter, the change of frequency is restricted to specified frequency band.
9. method according to claim 8, which is characterized in that the change of the angle of phase displacement is based on primary inductance, secondary
One of coefficient of coup between coil inductance and primary coil and secondary coil；The inverter includes two main switches, described
Two main switches are configured to respond to the order of the controller and open and close, and the wherein change of the angle of phase displacement
The control of the period between continuous shutdown command main switch is issued including changing to the controller；The inverter includes two
Main switch, described two main switches are configured to respond to the order of the controller and open and close, and wherein described
The change of frequency includes issuing order after issuing the order for opening a switch, closing another switch, responding to switch refers to
The voltage opened is enabled to be lower than predetermined threshold.
10. according to the method described in claim 8, it is characterized in that, the inverter includes two main switches, described two masters
Switch is configured to respond to the order of the controller and opens and closes, and wherein the change of the frequency is included in hair
It is closed after the order of a switch out, issues order, open another switch, responding to switch instructs close electric current lower than pre-
Determine threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890181.8A CN109050299A (en) | 2018-08-07 | 2018-08-07 | A kind of charging system and its charge control method for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890181.8A CN109050299A (en) | 2018-08-07 | 2018-08-07 | A kind of charging system and its charge control method for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109050299A true CN109050299A (en) | 2018-12-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890181.8A Withdrawn CN109050299A (en) | 2018-08-07 | 2018-08-07 | A kind of charging system and its charge control method for vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190659A (en) * | 2019-07-05 | 2019-08-30 | 西南交通大学 | A high-voltage pulse capacitor charging device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7262700B2 (en) * | 2005-03-10 | 2007-08-28 | Microsoft Corporation | Inductive powering surface for powering portable devices |
| CN101573851A (en) * | 2006-09-29 | 2009-11-04 | 捷通国际有限公司 | System and method for inductively charging a battery |
| CN103368241A (en) * | 2012-04-06 | 2013-10-23 | 索尼公司 | Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle |
| CN108297719A (en) * | 2017-01-12 | 2018-07-20 | 福特全球技术公司 | integrated wireless power transmission system |
-
2018
- 2018-08-07 CN CN201810890181.8A patent/CN109050299A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7262700B2 (en) * | 2005-03-10 | 2007-08-28 | Microsoft Corporation | Inductive powering surface for powering portable devices |
| CN101573851A (en) * | 2006-09-29 | 2009-11-04 | 捷通国际有限公司 | System and method for inductively charging a battery |
| CN101573851B (en) * | 2006-09-29 | 2013-03-27 | 捷通国际有限公司 | System and method for inductively charging a battery |
| CN103368241A (en) * | 2012-04-06 | 2013-10-23 | 索尼公司 | Electric power supplying apparatus, electric power supplying method, inverter, and electric vehicle |
| CN108297719A (en) * | 2017-01-12 | 2018-07-20 | 福特全球技术公司 | integrated wireless power transmission system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190659A (en) * | 2019-07-05 | 2019-08-30 | 西南交通大学 | A high-voltage pulse capacitor charging device |
| CN110190659B (en) * | 2019-07-05 | 2024-01-26 | 西南交通大学 | High-voltage pulse capacitor charging device |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181221 |
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