CN104795852B - The charging device and its operating method of dynamic charging - Google Patents
The charging device and its operating method of dynamic charging Download PDFInfo
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- CN104795852B CN104795852B CN201410026950.1A CN201410026950A CN104795852B CN 104795852 B CN104795852 B CN 104795852B CN 201410026950 A CN201410026950 A CN 201410026950A CN 104795852 B CN104795852 B CN 104795852B
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- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
A kind of charging device of dynamic charging, for being charged to electric car, the charging device includes a main power source converting unit, an accessory power supply converting unit and a control unit.The main power source converting unit receives an AC power, and changes the AC power as a main out-put supply.The accessory power supply converting unit receives an auxiliary DC power supply, and changes the auxiliary DC power supply as an auxiliary output power source.It is a upper limit out-put supply value that the control unit, which controls the maximum output of the main out-put supply,.When the charge power supply value needed for electric car charging is more than the upper limit out-put supply value, the control unit is according to the power supply difference of both the charge power supply value and the upper limit out-put supply value, the output of the dynamic control auxiliary output power source.
Description
Technical field
It is espespecially a kind of applied to the dynamic of electric car the present invention relates to the charging device and its operating method of a kind of dynamic charging
The charging device and its operating method of state charging.
Background technology
In recent years, due to price of oil going up sky-high, along with government and dealer among the people promote green energy environmental protection policy, therefore, electric car
With the development of charging station correlation technique, gradually it is taken seriously.It is however, excessive to the AC network in order to reduce electric motorcar charging station
Rely on, the maximum output electric energy limitation that existing relevant laws and regulations specification AC network can be provided to electric motorcar charging station.It is in addition, right
In the case that the power network of remote districts provides limited output electric energy, or charging station dealer is for demand charge (demand
Charge the economic considerations under) assessing, therefore, if only relying on the electric energy supply by means of AC network, AC network will be caused to electronic
The output electric energy that car charging station is provided is unable to reach the demand and the quality of charging of charging.
Therefore, a kind of charging device and its operating method of dynamic charging how are designed, meets existing relevant laws and regulations
Regulation, and the AC network with regeneration energy power generating device, can reduce the electric motorcar charging station to AC network excessively according to
Rely, improve the demand of environmental protection and energy saving, and ensure in whole charging process, stable, accurate charging behaviour is provided electric car
Make, be for the big problem of the invention for being intended to row and overcoming and solving.
The content of the invention
The purpose of the present invention is to provide a kind of charging device of dynamic charging, for being charged to electric car.The dynamic
The charging device of charging includes a main power source converting unit, an accessory power supply converting unit and a control unit.The main power source
Converting unit receives an AC power, and changes the AC power as a main out-put supply.The accessory power supply converting unit connects
An auxiliary DC power supply is received, and changes the auxiliary DC power supply as an auxiliary output power source.The control unit controls the main electricity
The maximum output of source converting unit is a upper limit out-put supply value；It is somebody's turn to do when the charge power supply value needed for electric car charging is more than
During upper limit out-put supply value, the control unit according to the power supply difference of both the charge power supply value and the upper limit out-put supply value,
The output of the dynamic control auxiliary output power source.
According to one embodiment of the present invention, the charging device of wherein dynamic charging also includes：One main switch unit,
Connect the outlet side of the main power source converting unit；And an auxiliary switching element, connect the input side of the accessory power supply converting unit
Between the outlet side of the main power source converting unit.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to turn on and controls
When making auxiliary switching element cut-off, the main power source converting unit exports the main out-put supply and the accessory power supply converting unit
Export the auxiliary output power source and combine and the electric car is charged；Wherein, the main out-put supply is produced by an AC network, and this is auxiliary
Dc source is helped to be produced by a secondary cell.
According to another embodiment of the invention, the charging device of wherein dynamic charging also includes：One second auxiliary
Power conversion unit, the regeneration dc source that a regeneration energy power generating device is exported is received, and change the regeneration direct current
Power supply is to export a regeneration out-put supply.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to end and controls
When making auxiliary switching element conducting, the main power source converting unit exports the main out-put supply and changed with second accessory power supply
Unit exports the playback output power supply and combined to charge to the secondary cell；Wherein, the main out-put supply is produced by the AC network
Raw, the playback output power supply is produced by the regeneration energy power generating device.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to turn on and controls
When making auxiliary switching element conducting, the main power source converting unit exports a part of main out-put supply, and the electric car is filled
Electricity, and another part main out-put supply and the second accessory power supply converting unit export the playback output power supply and combined pair
The secondary cell charges；Wherein, the main out-put supply is produced by the AC network, and the playback output power supply is sent out by the regeneration energy
Electric installation produces.
According to another embodiment of the invention, it is single to include the conversion of one first main power source for the wherein main power source converting unit
Member and one second main power source converting unit；The first main power source converting unit receives the AC power, and changes the alternating current
Source is one first dc source；The second main power source converting unit receives first dc source, and changes first direct current
Power supply is to export the main out-put supply.
According to another embodiment of the invention, wherein the first main power source converting unit is that an exchange turns direct current conversion
Device；The second main power source converting unit is the direct current transducer that circulates always；The accessory power supply converting unit is a DC-DC
Converter；The second accessory power supply converting unit is the direct current transducer that circulates always.
According to another embodiment of the invention, wherein the regeneration energy power generating device be a device of solar generating or
One wind power generation plant.
Another object of the present invention is to provide a kind of operating method of the charging device of dynamic charging, to overcome existing skill
The problem of art.Therefore the charging device of present invention dynamic charging to electric car to charge.The operating method comprises the steps of：
(a) a main power source converting unit is provided, to receive an AC power, and changes the AC power as a main out-put supply；(b)
An accessory power supply converting unit is provided, to receive an auxiliary DC power supply, and it is defeated into an auxiliary to change the auxiliary DC power supply
Go out power supply；(c) control unit is provided, to control the maximum output of the main out-put supply as a upper limit out-put supply value；And (d)
When the charge power supply value needed for electric car charging is more than the upper limit out-put supply value, the control unit is according to charging electricity
The power supply difference of both source value and the upper limit out-put supply value, the output of the dynamic control accessory power supply converting unit.
According to one embodiment of the present invention, the charging device of wherein dynamic charging also includes：One main switch unit,
Connect the outlet side of the main power source converting unit；And an auxiliary switching element, connect the input side of the accessory power supply converting unit
Between the outlet side of main power source converting unit.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to turn on and controls
When making auxiliary switching element cut-off, the main power source converting unit exports the main out-put supply and the accessory power supply converting unit
Export the auxiliary output power source and combine and the electric car is charged；Wherein, the main out-put supply is produced by an AC network, and this is auxiliary
Out-put supply is helped to be produced by a secondary cell.
According to another embodiment of the invention, the charging device of wherein dynamic charging also includes：One second auxiliary
Power conversion unit, the regeneration dc source that a regeneration energy power generating device is exported is received, and change the regeneration direct current
Power supply is to export a regeneration out-put supply.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to end and controls
When making auxiliary switching element conducting, the main power source converting unit exports the main out-put supply and changed with second accessory power supply
Unit exports the playback output power supply and combined to charge to the secondary cell；Wherein, the main out-put supply is produced by the AC network
Raw, the playback output power supply is produced by the regeneration energy power generating device.
According to another embodiment of the invention, wherein when the control unit controls the main switch unit to turn on and controls
When making auxiliary switching element conducting, the main power source converting unit exports a part of main out-put supply, and the electric car is filled
Electricity, and another part main out-put supply and the second accessory power supply converting unit export the playback output power supply and combined pair
The secondary cell charges；Wherein, the main out-put supply is produced by the AC network, and the playback output power supply is sent out by the regeneration energy
Electric installation produces.
According to another embodiment of the invention, it is single to include the conversion of one first main power source for the wherein main power source converting unit
Member and one second main power source converting unit；The first main power source converting unit receives the AC power, and changes the alternating current
Source is one first dc source；The second main power source converting unit receives first dc source, and changes first direct current
Power supply is to export the main out-put supply.
According to another embodiment of the invention, wherein the first main power source converting unit is that an exchange turns direct current conversion
Device；The second main power source converting unit is the direct current transducer that circulates always；The accessory power supply converting unit is a DC-DC
Converter；The second accessory power supply converting unit is the direct current transducer that circulates always.
According to another embodiment of the invention, wherein the regeneration energy power generating device be a device of solar generating or
One wind power generation plant.
In order to be further understood that the present invention to reach technology, means and effect that predetermined purpose is taken, refers to
Below in connection with detailed description of the invention and accompanying drawing, it is believed that the purpose of the present invention, feature and feature, when can thus one deeply and
It is specific to understand, but appended accompanying drawing is only provided and used with reference to explanation, is not used for the present invention person of being any limitation as.
Brief description of the drawings
Fig. 1 is the first embodiment circuit box schematic diagram of the charging device of present invention dynamic charging；
Fig. 2 is the second embodiment circuit box schematic diagram of the charging device of present invention dynamic charging；
Fig. 3 is the 3rd embodiment circuit box schematic diagram of the charging device of present invention dynamic charging；
Fig. 4 is the circuit box schematic diagram that the charging device of present invention dynamic charging charges to electric car；
Fig. 5 is the circuit box schematic diagram that the charging device of present invention dynamic charging charges to secondary cell；
Fig. 6 is the charging device of present invention dynamic charging to electric car and the circuit box schematic diagram of secondary cell charging；
And
Fig. 7 is the flow chart of the charging device operating method of present invention dynamic charging.
【Symbol description】
The charging device of 10 dynamic chargings
102 main power source converting units
1022 first main power source converting units
1024 second main power source converting units
104 accessory power supply converting units
1044 second accessory power supply converting units
106 control units
20 AC networks
60 regeneration energy power generating devices
70 secondary cells
90 electric cars
The main out-put supplies of Pm
Pa auxiliary output power sources
Pn playback output power supplys
Pu upper limit out-put supply values
Pc charge power supply values
Sm main switch units
Sa auxiliary switching elements
Vac AC powers
Vdc1 dc sources
Vdca auxiliary DC power supplies
Vn regenerates dc source
L1~L7 charge paths
S10~S40 steps
Embodiment
The technical content and a detailed description for the present invention, coordinate brief description of the drawings as follows：
Fig. 1 is referred to, for the first embodiment circuit box schematic diagram of the charging device of present invention dynamic charging.The dynamic
The charging device 10 of charging is used to charge to electric car 90.The charging device 10 of the dynamic charging includes a main power source converting unit
102nd, an accessory power supply converting unit 104 and a control unit 106.The main power source converting unit 102 receives an AC network
The 20 AC power Vac exported, and AC power Vac is changed to export a main out-put supply Pm.The accessory power supply
Converting unit 104 receives an auxiliary DC power supply Vdca, and changes auxiliary DC power supply Vdca to export auxiliary output
Power supply Pa.It is worth mentioning, auxiliary DC power supply Vdca can be by secondary cell 70 (secondary battery), or can fill
The dc source that battery (rechargeable battery) is exported is realized.The control unit 106 controls the main power source
The main out-put supply Pm that converting unit 102 is exported is limited to a upper limit out-put supply value Pu.When the electric car 90 charging institute
The charge power supply value Pc needed is when being more than upper limit out-put supply value Pu, the control unit 106 according to the charge power supply value Pc and
Upper limit out-put supply value Pu power supply difference, that is, Pc-Pu, it is auxiliary that the dynamic control accessory power supply converting unit 104 exports this
Out-put supply Pa is helped to supply.
Fig. 2 is referred to, for the second embodiment circuit box schematic diagram of the charging device of present invention dynamic charging.Hold institute
State, the main power source converting unit 102 includes one first main power source converting unit 1022 and one second main power source converting unit 1024.
The first main power source converting unit 1022 receives AC power Vac, and changes AC power Vac as one first direct current
Source Vdc1.The second main power source converting unit 1024 receives first dc source Vdc1, and changes first dc source
Vdc1 is to export the main out-put supply Pm.Wherein, the first main power source converting unit 1022 is a converter converting AC into DC
(AC-to-DC converter), to change AC power Vac as first dc source Vdc1.Second main power source is changed
Unit 1024 is the direct current transducer (DC-to-DC converter) that circulates always, to change first dc source Vdc1 electricity
Pressure level by the charging device 10 output to the voltage quasi position that is charged to the electric car 90.The accessory power supply converting unit
104 be the direct current transducer (DC-to-DC converter) that circulates always, to change auxiliary DC power supply Vdca voltage standard
Position by the charging device 10 output to the voltage quasi position that is charged to the electric car 90.In addition, the charging dress of the dynamic charging
Put 10 and also include an a main switch cell S m and auxiliary switching element Sa.Main switch cell S m connects second main power source conversion
The outlet side of unit 1024.Auxiliary switching element Sa connects the input side and the second main power source converting unit of the secondary cell 70
Between 1024 outlet side.
Fig. 3 is referred to, for the 3rd embodiment circuit box schematic diagram of the charging device of present invention dynamic charging.The dynamic
The charging device 10 of charging also includes one second accessory power supply converting unit 1044.The second accessory power supply converting unit 1044 connects
The regeneration dc source Vn that a regeneration energy power generating device 60 is exported is received, and changes the regeneration dc source Vn to export
One regeneration out-put supply Pn.Wherein, the second accessory power supply converting unit 1044 is the direct current transducer (DC-to-DC that circulates always
Converter), exported using the voltage quasi position for changing regeneration dc source Vn by the charging device 10 to the secondary electricity
The voltage quasi position that pond 70 is charged.Furthermore the regeneration energy power generating device 60 is a device of solar generating (solar power
Apparatus) or a wind power generation plant (wind power apparatus), but it is not limited.The present embodiment is this hair
The expression of bright preferred embodiment, in other words, the charging device 10 of the dynamic charging, also referred to as electric motorcar charging station (charging
Station), mainly comprising the first main power source converting unit 1022, the second main power source converting unit 1024, the accessory power supply
Converting unit 104, the second accessory power supply converting unit 1044, the control unit 106, the main switch cell S m and the auxiliary
Switch element Sa.As for the operating instruction of the charging device 10 of the dynamic charging, by there is detailed elaboration hereinafter.
Fig. 4 is referred to, the circuit box schematic diagram that the charging device to be charged for present invention dynamic charges to electric car.Work as electricity
When electric car is connected the charging station by motor-car driver, the charging device 10 of the dynamic charging by the control unit 106 and is somebody's turn to do
Electric car 90 carries out charging and the communication of information of powering and exchanged, including electric car charge requirement, charging station power supply capacity ... etc.
Deng.For convenience of explanation, reasonably to assume that data instance is illustrated.It is worth mentioning, in order to reduce electric car charging
10 pairs of AC networks 20 of standing are depended on unduly, existing relevant laws and regulations would generally the specification AC network 20 to the electric car charge
Stand the 10 maximum output power supplys that can be provided.Therefore, the control unit 106 controls what the main power source converting unit 102 was exported
The main out-put supply Pm is limited to upper limit out-put supply value Pu, where it is assumed that upper limit out-put supply value Pu is 50kW.When this
Electric car 90 charges a required charge power supply value Pc when being more than upper limit out-put supply value Pu, that is, when the control unit 106
Detect that needed for charge power supply value Pc be 70kW, wherein, charge power supply value Pc (70kW) is more than the upper limit out-put supply value
Pu (50kW), therefore, the control unit 106 according to the charge power supply value Pc and upper limit out-put supply value Pu power supply difference,
The dynamic control accessory power supply converting unit 104 output auxiliary output power source Pa charges to the electric car 90.In other words, the electricity
The inadequate part of charge power supply needed for motor-car 90, also it is the charge power supply value Pc and upper limit out-put supply value Pu difference
Value, Pc-Pu, then the dynamic control accessory power supply converting unit 104 output auxiliary output power source Pa is the control unit 106
20kW, using the upper limit out-put supply value Pu exported with reference to the main power source converting unit 102 as 50kW, the electric car 90 is filled
Electricity.More specifically, when the control unit 106 controls main switch cell S m to turn on and controls auxiliary switching element Sa to cut
When only, the second main power source converting unit 1024 export the main out-put supply Pm (being limited to upper limit out-put supply value Pu) with
The accessory power supply converting unit 104 exports auxiliary output power source Pa, respectively such as charge path L1, L2 that Fig. 4 is indicated, knot
Conjunction is charged to the electric car 90；Wherein, the main out-put supply Pm is produced by the AC network 20, and auxiliary output power source Pa is by this
Secondary cell 70 produces.
If in addition, the regeneration energy power generating device 60 is the device of solar generating, and the electric car 90 fills for night
Charged under electricity or the bad no sunshine irradiation situation of weather, when the device of solar generating can not provide out-put supply, this is secondary
Battery 70 utilizes stored power supply, and the electric car 90 is charged with reference to the power supply that the AC network 20 is exported.Should if occurring
Secondary cell 70 also can not out-put supply or during out-put supply deficiency, the control unit 106 then will it is initial in charging or during,
By carrying out charging and the communication for information of powering with the electric car 90, the electric car 90 is charged with less out-put supply.
Fig. 5 is referred to, the circuit box schematic diagram that the charging device to be charged for present invention dynamic charges to secondary cell.When
When the control unit 106 detects that the electric motorcar charging station 10 does not have any electric car to be charged, now, the control unit
106 control main switch cell S m end and control auxiliary switching element Sa to turn on, and therefore, second main power source conversion is single
Member 1024 exports the main out-put supply Pm and exports playback output power supply Pn with the second accessory power supply converting unit 1044,
Respectively such as charge path L3, L4 that Fig. 5 is indicated, charged with reference to the secondary cell 70.Wherein, the main out-put supply Pm is by this
AC network 20 is produced, and the playback output power supply Pn is produced by the regeneration energy power generating device 60.If in addition, the regeneration energy is sent out
When electric installation 60 can not provide out-put supply, the main out-put supply Pm that the AC network 20 is exported is then individually to the secondary electricity
The charging energy-storing of pond 70.
Fig. 6 is referred to, is the circuit box that the charging device of present invention dynamic charging charges to electric car and secondary cell
Schematic diagram.As described above, the control unit 106 controls the main out-put supply Pm limits that the main power source converting unit 102 is exported
Upper limit out-put supply value Pu is made as, where it is assumed that upper limit out-put supply value Pu is 50kW.Needed for being charged when the electric car 90
Charge power supply value Pc when being less than or equal to upper limit out-put supply value Pu, that is, when the control unit 106 detects that this fills
It is 30kW needed for electric power values Pc, wherein, charge power supply value Pc (30kW) is less than the upper limit out-put supply value Pu (50kW), because
This, the upper limit out-put supply value Pu that the control unit 106 controls the main power source converting unit 102 to be exported is 50kW, to this
Electric car 90 charges, the charge path L5 indicated such as Fig. 6.However, due to the charge power supply value Pc needed for the electric car 90
Less than upper limit out-put supply value Pu, therefore, the redundant power that the main power source converting unit 102 is exported and the second auxiliary electricity
Source converting unit 1044 exports playback output power supply Pn, respectively such as charge path L6, L7 that Fig. 6 is indicated, with reference to this
Secondary cell 70 charges.Wherein, the main out-put supply Pm is produced by the AC network 20, and the playback output power supply Pn is by the regeneration
Energy power generating device 60 produces.
If in addition, when the regeneration energy power generating device 60 can not provide out-put supply, the institute of main power source converting unit 102 is defeated
The upper limit out-put supply value Pu gone out then charged to the electric car 90 enough, and the main power source converting unit 102 is exported
Redundant power can then charge to the secondary cell 70 simultaneously.
Fig. 7 is referred to, for the flow chart of the charging device operating method of present invention dynamic charging.The charging of the dynamic charging
The operating method of device is used to charge to electric car, comprises the steps of.First, there is provided a main power source converting unit, to receive
The AC power that one AC network is exported, and the AC power is changed as a main out-put supply (S10).The wherein main electricity
Source converting unit includes one first main power source converting unit and one second main power source converting unit；The first main power source converting unit
The AC power is received, and changes the AC power as one first dc source；The second main power source converting unit receives should
First dc source, and first dc source is changed to export the main out-put supply.
Then, there is provided an accessory power supply converting unit, to receive an auxiliary DC power supply, and change the auxiliary direct current
Source is an auxiliary output power source (S20).Wherein, the auxiliary DC power supply is exported by a secondary cell.Furthermore the dynamic charges
Charging device also include one second accessory power supply converting unit, it is straight to receive the regeneration that a regeneration energy power generating device is exported
Power supply is flowed, and changes the regeneration dc source to export a regeneration out-put supply.Wherein, the first main power source converting unit is
One converter converting AC into DC (AC-to-DC converter)；The second main power source converting unit is changed for a DC-DC
Device (DC-to-DC converter)；The accessory power supply converting unit is the direct current transducer (DC-to-DC that circulates always
converter)；The second accessory power supply converting unit is the direct current transducer (DC-to-DC converter) that circulates always.Its
In, the regeneration energy power generating device is a device of solar generating or a wind power generation plant.In addition, the charging of the dynamic charging
Device further includes：One main switch unit connects the outlet side of the second main power source converting unit；And one auxiliary switching element connect
Connect between the input side of the secondary cell and the outlet side of the second main power source converting unit.
Then, there is provided a control unit, to control the maximum of the main out-put supply that the main power source converting unit exported
Export as a upper limit out-put supply value (S30).Finally, when the charge power supply value needed for electric car charging is defeated more than the upper limit
When going out power values, the control unit is according to the power supply difference of both the charge power supply value and the upper limit out-put supply value, dynamic control
Make the output (S40) of the accessory power supply converting unit.
More specifically, the charging device of the dynamic charging at least has following three kinds of operating conditions：
(1) when the control unit controls the main switch unit to turn on and controls the auxiliary switching element to end, this
Two main power source converting units export the main out-put supply and export the auxiliary output power source knot with the accessory power supply converting unit
Close and the electric car is charged；Wherein, the main out-put supply is produced by the AC network, and the auxiliary output power source is by the secondary cell
Produce；
(2) when the control unit controls the main switch unit to end and controls the auxiliary switching element to turn on, this
Two main power source converting units export the main out-put supply and export playback output electricity with the second accessory power supply converting unit
Source combines charges to the secondary cell；Wherein, the main out-put supply is produced by the AC network, the playback output power supply by this again
Raw energy power generating device produces；And
(3) when the control unit controls the main switch unit to turn on and controls the auxiliary switching element to turn on, this
Two main power source converting units export a part of main out-put supply, and the electric car is charged, and another part main output
Power supply exports the playback output power supply and combined with the second accessory power supply converting unit to charge to the secondary cell；Wherein, should
Main out-put supply is produced by the AC network, and the playback output power supply is produced by the regeneration energy power generating device.
It is worth mentioning, there is the so-called charging device dynamic charging to refer in the present invention：It is although electronic in order to reduce
Car charging station 10 is depended on unduly to the AC network 20, existing relevant laws and regulations would generally the specification AC network 20 it is electronic to this
The maximum output power supply that car charging station 10 can be provided, that is, the control unit 106 control institute of main power source converting unit 102 is defeated
The main out-put supply Pm gone out is limited to upper limit out-put supply value Pu.However, the charging due to the charging process of electric car 90
Power supply is non-to be changeless, and therefore, the control unit 106 can detect the charge power supply change of the electric car 90, dynamic control
The accessory power supply converting unit 104 exports auxiliary output power source Pa, to ensure in whole charging process, the charging device 10
Stable, accurate charging is provided the electric car 90.
In summary, the present invention has following features and advantages：
1st, in order to meet the regulation of existing relevant laws and regulations, the electricity that the AC network 20 provides the electric motorcar charging station 10 is limited
Source exports maximum, also, combine the AC network 20 and the regeneration energy power generating device 60 (such as device of solar generating or
Wind power generation plant) electric car 90 is charged, it so, it is possible to reduce the electric motorcar charging station 10 excessive to the AC network 20
Rely on, improve the demand of environmental protection and energy saving；
2nd, for the inadequate part of charge power supply needed for the electric car 90, then this is auxiliary for dynamic control for the control unit 106
Power conversion unit 104 is helped to export auxiliary output power source Pa, with the upper limit exported with reference to the main power source converting unit 102
Out-put supply value Pu, the electric car 90 is charged；And
3rd, because the charge power supply of the charging process of electric car 90 is non-to be changeless, therefore, the meeting of control unit 106
The charge power supply change of the electric car 90 is detected, the dynamic control accessory power supply converting unit 104 exports the auxiliary output power source
Pa, to ensure in whole charging process, the charging device 10 provides the electric car 90 stable, accurate charging.
It is described above, the detailed description of preferred embodiment only of the present invention and schema, but the feature of the present invention is not
Be confined to this, and be not used to the limitation present invention, all scopes of the invention should be defined by following rights, it is all together in
The embodiment of spirit change similar with its of scope of the present invention patent, should all be contained in scope of the invention, Ren Heben
Art personnel in the field of the invention, can think easily and change or modification can all cover in patent of the invention below
Scope.
Claims (17)
1. a kind of charging device of dynamic charging, for being charged to electric car, the charging device of dynamic charging includes：
One main power source converting unit, an AC power is received, and change the AC power as a main out-put supply；
One accessory power supply converting unit, an auxiliary DC power supply is received, and change the auxiliary DC power supply as an auxiliary output
Power supply；
One control unit, the maximum output for controlling the main out-put supply are a upper limit out-put supply value；
One main switch unit, connect the outlet side of the main power source converting unit；And
One auxiliary switching element, connect the input side of the accessory power supply converting unit and the main power source converting unit outlet side it
Between；
When the charge power supply value needed for electric car charging is more than the upper limit out-put supply value, the control unit is filled according to this
The power supply difference of both electric power values and the upper limit out-put supply value, the output of the dynamic control auxiliary output power source.
2. the charging device of dynamic charging as claimed in claim 1, wherein when the control unit controls the main switch unit to turn on
And when controlling auxiliary switching element cut-off, the main power source converting unit exports the main out-put supply and turned with the accessory power supply
Change unit and export the auxiliary output power source and combine and the electric car is charged；Wherein, the main out-put supply is produced by an AC network
Raw, the auxiliary DC power supply is produced by a secondary cell.
3. the charging device of dynamic charging as claimed in claim 2, the charging device of wherein dynamic charging also includes：
One second accessory power supply converting unit, the regeneration dc source that a regeneration energy power generating device is exported is received, and
The regeneration dc source is changed to export a regeneration out-put supply.
4. the charging device of dynamic charging as claimed in claim 3, wherein when the control unit controls the main switch unit to end
And when controlling auxiliary switching element conducting, the main power source converting unit exports the main out-put supply and the second auxiliary electricity
Source converting unit exports the playback output power supply and combined to charge to the secondary cell；Wherein, the main out-put supply is by the exchange
Power network is produced, and the playback output power supply is produced by the regeneration energy power generating device.
5. the charging device of dynamic charging as claimed in claim 3, wherein when the control unit controls the main switch unit to turn on
And when controlling auxiliary switching element conducting, the main power source converting unit exports a part of main out-put supply, to the electricity
Motor-car charges, and another part main out-put supply exports the playback output power supply with the second accessory power supply converting unit
Charged with reference to the secondary cell；Wherein, the main out-put supply is produced by the AC network, and the playback output power supply is by the regeneration
Energy power generating device produces.
6. the charging device of dynamic charging, wherein the main power source converting unit include one first main power source as claimed in claim 3
Converting unit and one second main power source converting unit；The first main power source converting unit receives the AC power, and changes and be somebody's turn to do
AC power is one first dc source；The second main power source converting unit receives first dc source, and change this
One dc source is to export the main out-put supply.
7. the charging device of dynamic charging as claimed in claim 6, wherein the first main power source converting unit, which are an exchange, turns straight
Stream transformer；The second main power source converting unit is the direct current transducer that circulates always；The accessory power supply converting unit is a direct current
Turn direct current transducer；The second accessory power supply converting unit is the direct current transducer that circulates always.
8. the charging device of dynamic charging as claimed in claim 3, the wherein regeneration energy power generating device is a solar power generation
Device or a wind power generation plant.
9. a kind of operating method of the charging device of dynamic charging, for being charged to electric car, the operating method includes following step
Suddenly：
One main power source converting unit is provided, to receive an AC power, and changes the AC power as a main out-put supply；
An accessory power supply converting unit is provided, to receive an auxiliary DC power supply, and it is auxiliary into one to change the auxiliary DC power supply
Help out-put supply；
A control unit is provided, to control the maximum output of the main out-put supply as a upper limit out-put supply value；And
When the charge power supply value needed for electric car charging is more than the upper limit out-put supply value, the control unit is filled according to this
The power supply difference of both electric power values and the upper limit out-put supply value, the output of the dynamic control accessory power supply converting unit.
10. the operating method of the charging device of dynamic charging as claimed in claim 9, the wherein charging device of the dynamic charging are also
Comprising：
One main switch unit, connect the outlet side of the main power source converting unit；And
One auxiliary switching element, connect the input side of the accessory power supply converting unit and main power source converting unit outlet side it
Between.
11. the operating method of the charging device of dynamic charging as claimed in claim 10, wherein when the control unit controls the master
Switching means conductive and control the auxiliary switching element end when, the main power source converting unit export the main out-put supply and
The accessory power supply converting unit exports the auxiliary output power source and combined to charge to the electric car；Wherein, the main out-put supply by
One AC network is produced, and the auxiliary output power source is produced by a secondary cell.
12. the charging device of the operating method of the charging device of dynamic charging as claimed in claim 11, wherein the dynamic charging
Also include：
One second accessory power supply converting unit, the regeneration dc source that a regeneration energy power generating device is exported is received, and
The regeneration dc source is changed to export a regeneration out-put supply.
13. the operating method of the charging device of dynamic charging as claimed in claim 12, wherein when the control unit controls the master
Switch element end and control the auxiliary switching element turn on when, the main power source converting unit export the main out-put supply and
The second accessory power supply converting unit exports the playback output power supply and combined to charge to the secondary cell；Wherein, the main output
Power supply is produced by the AC network, and the playback output power supply is produced by the regeneration energy power generating device.
14. the operating method of the charging device of dynamic charging as claimed in claim 12, wherein when the control unit controls the master
Switching means conductive and control the auxiliary switching element turn on when, the main power source converting unit export a part the main output
Power supply, the electric car is charged, and another part main out-put supply exports this with the second accessory power supply converting unit
Playback output power supply combines to charge to the secondary cell；Wherein, the main out-put supply is produced by the AC network, the playback output
Power supply is produced by the regeneration energy power generating device.
15. the operating method of the charging device of dynamic charging, wherein the main power source converting unit include as claimed in claim 12
One first main power source converting unit and one second main power source converting unit；The first main power source converting unit receives the alternating current
Source, and the AC power is changed as one first dc source；The second main power source converting unit receives first dc source,
And first dc source is changed to export the main out-put supply.
16. the operating method of the charging device of dynamic charging, wherein the first main power source converting unit as claimed in claim 15
For a converter converting AC into DC；The second main power source converting unit is the direct current transducer that circulates always；The accessory power supply is changed
Unit is the direct current transducer that circulates always；The second accessory power supply converting unit is the direct current transducer that circulates always.
17. the operating method of the charging device of dynamic charging, wherein the regeneration energy power generating device are as claimed in claim 12
One device of solar generating or a wind power generation plant.
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| CN102361334A (en) * | 2011-10-17 | 2012-02-22 | 广东电网公司深圳供电局 | Photovoltaic energy storage electric automobile charging station system and method for switching state of energy storage system |
| CN103248064A (en) * | 2013-04-27 | 2013-08-14 | 惠州市亿能电子有限公司 | Composite energy charging energy storage system and method thereof |
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| CN102361334A (en) * | 2011-10-17 | 2012-02-22 | 广东电网公司深圳供电局 | Photovoltaic energy storage electric automobile charging station system and method for switching state of energy storage system |
| CN103248064A (en) * | 2013-04-27 | 2013-08-14 | 惠州市亿能电子有限公司 | Composite energy charging energy storage system and method thereof |
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