CN104795852A - Dynamic-charging charger and operation method thereof - Google Patents
Dynamic-charging charger and operation method thereof Download PDFInfo
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- CN104795852A CN104795852A CN201410026950.1A CN201410026950A CN104795852A CN 104795852 A CN104795852 A CN 104795852A CN 201410026950 A CN201410026950 A CN 201410026950A CN 104795852 A CN104795852 A CN 104795852A
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- power source
- charging
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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
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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
- H02J7/34—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
Abstract
A dynamic-charging charger is used to charge an electric car. The charger comprises a main power conversion unit, an auxiliary power conversion unit and a control unit, wherein the main power conversion unit receives AC power and converts the AC power into main output power; the auxiliary power conversion unit receives auxiliary DC power and converts the auxiliary DC power into auxiliary output power; and the control unit controls that the maximal output of the main output power equals an upper-limit output power value. When a charging power value needed by the electric car is greater than the upper-limit output power value, the control unit dynamically controls output of the auxiliary output power according to the power difference between the needed charging power value and the upper-limit output power value.
Description
Technical field
The present invention relates to a kind of charging device and method of operation thereof of dynamic charging, espespecially a kind of charging device and method of operation thereof being applied to the dynamic charging of electric motor car.
Background technology
In recent years, due to price of oil going up sky-high, add government and dealer among the people promote green can environmental protection policy, therefore, the development of electric motor car and charging station correlation technique, comes into one's own gradually.But, in order to reduce electric motorcar charging station, this AC network is depended on unduly, the maximum output electric energy restriction that existing relevant laws and regulations specification AC network can provide electric motorcar charging station.In addition, for remote districts electrical network limited output electric energy is provided when, or charging station dealer is for the economic considerations under demand charge (demand charge) assessment, therefore, if only rely on the electric power supply by means of AC network, the demand of charging and the quality of charging cannot be reached making AC network to the output electric energy that electric motorcar charging station provides.
Therefore, how to design a kind of charging device and method of operation thereof of dynamic charging, meet the regulation of existing relevant laws and regulations, and this AC network and regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT), this electric motorcar charging station can be reduced depend on unduly AC network, improve the demand of environmental protection and energy saving, and guarantee in whole charging process, there is provided stable, accurate charging operations to electric motor car, be by the present invention wish row overcome and solve one large problem.
Summary of the invention
An object of the present invention is the charging device providing a kind of dynamic charging, for charging to electric motor car.This charging device dynamically charged comprises a main power source converting unit, an accessory power supply converting unit and a control unit.This main power source converting unit receives an AC power, and changes this AC power into a main out-put supply.This accessory power supply converting unit receives an auxiliary DC power supply, and changes this auxiliary DC power supply into an auxiliary output power source.The maximum output that this control unit controls this main power source converting unit is a upper limit out-put supply value; When the charged electrical source value needed for this electric motor car charging is greater than this upper limit out-put supply value, this control unit according to the power supply difference of this charged electrical source value and this upper limit out-put supply value, the output of this auxiliary output power source of Dynamic controlling.
According to one embodiment of the present invention, wherein this charging device dynamically charged also comprises: a main switch unit, connects the outlet side of this main power source converting unit; And an auxiliary switching element, connect between the input side of this accessory power supply converting unit and the outlet side of this main power source converting unit.
According to another embodiment of the invention, wherein when this control unit controls this main switch cell conduction and control the cut-off of this auxiliary switching element, this main power source converting unit exports this main out-put supply and this accessory power supply converting unit and exports this auxiliary output power source and be combined and charge to this electric motor car; Wherein, this main out-put supply is produced by an AC network, and this auxiliary DC power supply is produced by a secondary cell.
According to another embodiment of the invention, wherein this charging device dynamically charged also comprises: one second accessory power supply converting unit, receive the regeneration DC power supply that a regeneration energy power generating device exports, and change this regeneration DC power supply to export a regeneration out-put supply.
According to another embodiment of the invention, wherein when this control unit controls the cut-off of this main switch unit and controls this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply and exports this playback output power supply with this second accessory power supply converting unit and be combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
According to another embodiment of the invention, wherein when this control unit controls this main switch cell conduction and control this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply of a part, this electric motor car is charged, and this main out-put supply of another part exports this playback output power supply with this second accessory power supply converting unit is combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
According to another embodiment of the invention, wherein this main power source converting unit comprises one first main power source converting unit and one second main power source converting unit; This first main power source converting unit receives this AC power, and changes this AC power into one first DC power supply; This second main power source converting unit receives this first DC power supply, and changes this first DC power supply to export this main out-put supply.
According to another embodiment of the invention, wherein this first main power source converting unit is that an interchange turns direct current transducer; This second main power source converting unit is the direct current transducer that always circulates; This accessory power supply converting unit is the direct current transducer that always circulates; This second accessory power supply converting unit is the direct current transducer that always circulates.
According to another embodiment of the invention, wherein this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) is a device of solar generating or a wind power generation plant.
Another object of the present invention is to the method for operation of the charging device that a kind of dynamic charging is provided, to overcome the problem of prior art.Therefore the charging device that dynamically charges of the present invention is to charge to electric motor car.This method of operation comprises the following step: (a) provides a main power source converting unit, to receive an AC power, and changes this AC power into a main out-put supply; B () provides an accessory power supply converting unit, to receive an auxiliary DC power supply, and change this auxiliary DC power supply into an auxiliary output power source; C () provides a control unit, be a upper limit out-put supply value to control the maximum output of this main out-put supply; And (d) is when the charged electrical source value needed for this electric motor car charging is greater than this upper limit out-put supply value, this control unit according to the power supply difference of this charged electrical source value and this upper limit out-put supply value, the output of this accessory power supply converting unit of Dynamic controlling.
According to one embodiment of the present invention, wherein this charging device dynamically charged also comprises: a main switch unit, connects the outlet side of this second main power source converting unit; And an auxiliary switching element, connect between the outlet side of this secondary cell and the outlet side of the second main power source converting unit.
According to another embodiment of the invention, wherein when this control unit controls this main switch cell conduction and control the cut-off of this auxiliary switching element, this main power source converting unit exports this main out-put supply and this accessory power supply converting unit and exports this auxiliary output power source and be combined and charge to this electric motor car; Wherein, this main out-put supply is produced by an AC network, and this auxiliary output power source is produced by a secondary cell.
According to another embodiment of the invention, wherein this charging device dynamically charged also comprises: one second accessory power supply converting unit, receive the regeneration DC power supply that a regeneration energy power generating device exports, and change this regeneration DC power supply to export a regeneration out-put supply.
According to another embodiment of the invention, wherein when this control unit controls the cut-off of this main switch unit and controls this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply and exports this playback output power supply with this second accessory power supply converting unit and be combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
According to another embodiment of the invention, wherein when this control unit controls this main switch cell conduction and control this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply of a part, this electric motor car is charged, and this main out-put supply of another part exports this playback output power supply with this second accessory power supply converting unit is combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
According to another embodiment of the invention, wherein this main power source converting unit comprises one first main power source converting unit and one second main power source converting unit; This first main power source converting unit receives this AC power, and changes this AC power into one first DC power supply; This second main power source converting unit receives this first DC power supply, and changes this first DC power supply to export this main out-put supply.
According to another embodiment of the invention, wherein this first main power source converting unit is that an interchange turns direct current transducer; This second main power source converting unit is the direct current transducer that always circulates; This accessory power supply converting unit is the direct current transducer that always circulates; This second accessory power supply converting unit is the direct current transducer that always circulates.
According to another embodiment of the invention, wherein this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) is a device of solar generating or a wind power generation plant.
In order to technology, means and effect that the present invention takes for reaching predetermined object further can be understood, refer to following detailed description for the present invention and accompanying drawing, believe object of the present invention, feature and feature, go deep into and concrete understanding when one can be obtained thus, but appended accompanying drawing only provides with reference to and use is described, be not used for the present invention's in addition limitr.
Accompanying drawing explanation
Fig. 1 is the first embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges;
Fig. 2 is the second embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges;
Fig. 3 is the 3rd embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges;
Fig. 4 is the circuit box schematic diagram that charging device that the present invention dynamically charges charges to electric motor car;
Fig. 5 is that the charging device that dynamically charges of the present invention is to the circuit box schematic diagram of secondary cell charge;
Fig. 6 is the charging device that dynamically charges of the present invention to the circuit box schematic diagram of electric motor car and secondary cell charge; And
Fig. 7 is the flow chart of the charging device method of operation that the present invention dynamically charges.
[symbol description]
10 charging devices dynamically charged
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 network
60 regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT)
70 secondary cells
90 electric motor cars
The main out-put supply of Pm
Pa auxiliary output power source
Pn playback output power supply
Pu upper limit out-put supply value
Pc charged electrical source value
Sm main switch unit
Sa auxiliary switching element
Vac AC power
Vdc1 DC power supply
Vdca auxiliary DC power supply
Vn regenerates DC power supply
L1 ~ L7 charge path
S10 ~ S40 step
Embodiment
The technical content and a detailed description for the present invention, coordinate accompanying drawing to be described as follows:
Referring to Fig. 1, is the first embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges.This charging device 10 dynamically charged is for charging to electric motor car 90.This charging device 10 dynamically charged comprises main power source converting unit 102, accessory power supply converting unit 104 and a control unit 106.This main power source converting unit 102 receives the AC power Vac that an AC network 20 exports, and changes this AC power Vac to export a main out-put supply Pm.This accessory power supply converting unit 104 receives an auxiliary DC power supply Vdca, and changes this auxiliary DC power supply Vdca to export an auxiliary output power source Pa.Be worth mentioning, this auxiliary DC power supply Vdca can by secondary cell 70 (secondarybattery), or the DC power supply claiming rechargeable battery (rechargeable battery) to export realized.This control unit 106 controls this main out-put supply Pm that this main power source converting unit 102 exports and is restricted to a upper limit out-put supply value Pu.When this electric motor car 90 charge a required charged electrical source value Pc be greater than this upper limit out-put supply value Pu time, this control unit 106 is according to the power supply difference of this charged electrical source value Pc and this upper limit out-put supply value Pu, that is, Pc-Pu, this accessory power supply converting unit 104 of Dynamic controlling exports this auxiliary output power source Pa and supplies.
Referring to Fig. 2, is the second embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges.From the above, this main power source converting unit 102 comprises one first main power source converting unit 1022 and one second main power source converting unit 1024.This first main power source converting unit 1022 receives this AC power Vac, and changes this AC power Vac into one first DC power supply Vdc1.This second main power source converting unit 1024 receives this first DC power supply Vdc1, and changes this first DC power supply Vdc1 to export this main out-put supply Pm.Wherein, this first main power source converting unit 1022 is that an interchange turns direct current transducer (AC-to-DC converter), is this first DC power supply Vdc1 to change this AC power Vac.This second main power source converting unit 1024 is the direct current transducer (DC-to-DC converter) that always circulates, with to change the voltage quasi position of this first DC power supply Vdc1 be this charging device 10 the voltage quasi position of output in order to charge to this electric motor car 90.This accessory power supply converting unit 104 is the direct current transducer (DC-to-DC converter) that always circulates, with to change the voltage quasi position of this auxiliary DC power supply Vdca be this charging device 10 the voltage quasi position of output in order to charge to this electric motor car 90.In addition, this charging device 10 dynamically charged also comprises an a main switch cell S m and auxiliary switching element Sa.This main switch cell S m connects the outlet side of this second main power source converting unit 1024.This auxiliary switching element Sa connects between the outlet side of this secondary cell 70 and the outlet side of the second main power source converting unit 1024.
Referring to Fig. 3, is the 3rd embodiment circuit box schematic diagram of the charging device that the present invention dynamically charges.This charging device 10 dynamically charged also comprises one second accessory power supply converting unit 1044.This second accessory power supply converting unit 1044 receives the regeneration DC power supply Vn that a regeneration energy power generating device 60 exports, and changes this regeneration DC power supply Vn to export a regeneration out-put supply Pn.Wherein, this the second accessory power supply converting unit 1044 is the direct current transducer (DC-to-DCconverter) that always circulates, with to change the voltage quasi position of this regeneration DC power supply Vn be this charging device 10 the voltage quasi position of output in order to charge to this secondary cell 70.Moreover this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60 is a device of solar generating (solar power apparatus) or a wind power generation plant (wind powerapparatus), but not as limit.The present embodiment is the expression of present pre-ferred embodiments, in other words, this charging device 10 dynamically charged, also referred to as electric motorcar charging station (charging station), mainly comprise this first main power source converting unit 1022, this second main power source converting unit 1024, this accessory power supply converting unit 104, this second accessory power supply converting unit 1044, this control unit 106, this main switch cell S m and this auxiliary switching element Sa.As for the operating instruction of this dynamic charging device 10 of charging, by hereinafter there being detailed elaboration.
Refer to Fig. 4, the circuit box schematic diagram that the charging device dynamically charged for the present invention charges to electric motor car.When electric motor car is connected this charging station by electric motor car driver, charging device 10 of this dynamic charging carries out charge with this electric motor car 90 by this control unit 106 and the communication of information of powering and exchange, comprises electric motor car charge requirement, charging station power supply capacity ... etc..For convenience of description, be illustrated for rational tentation data.Be worth mentioning, in order to electric motorcar charging station 10 can be reduced, this AC network 20 depended on unduly, usually understand in existing relevant laws and regulations the maximum out-put supply that this AC network 20 of specification can provide this electric motorcar charging station 10.Therefore, this control unit 106 controls this main out-put supply Pm that this main power source converting unit 102 exports and is restricted to this upper limit out-put supply value Pu, wherein, supposes that this upper limit out-put supply value Pu is 50kW.When this electric motor car 90 charge a required charged electrical source value Pc be greater than this upper limit out-put supply value Pu time, that is, when this control unit 106 detects this charged electrical 70kW that source value Pc is required to be, wherein, this charged electrical source value Pc (70kW) is greater than this upper limit out-put supply value Pu (50kW), therefore, this control unit 106 is according to the power supply difference of this charged electrical source value Pc and this upper limit out-put supply value Pu, and this accessory power supply converting unit 104 of Dynamic controlling exports this auxiliary output power source Pa and charges to this electric motor car 90.In other words, the inadequate part of charge power supply needed for this electric motor car 90, also the difference of this charged electrical source value Pc and this upper limit out-put supply value Pu is, Pc-Pu, it is 20kW that this accessory power supply converting unit 104 of this control unit 106 Dynamic controlling exports this auxiliary output power source Pa, with this upper limit out-put supply value Pu exported in conjunction with this main power source converting unit 102 for 50kW, this electric motor car 90 is charged.More specifically, when this control unit 106 controls the cell S m conducting of this main switch and controls this auxiliary switching element Sa cut-off, this the second main power source converting unit 1024 export this main out-put supply Pm (being restricted to this upper limit out-put supply value Pu) and this accessory power supply converting unit 104 export this auxiliary output power source Pa, respectively as Fig. 4 the charge path L1 that indicates, L2, charges in conjunction with to this electric motor car 90; Wherein, this main out-put supply Pm is produced by this AC network 20, and this auxiliary output power source Pa is produced by this secondary cell 70.
In addition, if this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60 is this device of solar generating, and this electric motor car 90 is for charging at night or weather is not good charges without under solar light irradiation situation, when this device of solar generating cannot provide out-put supply, this secondary cell 70 utilizes stored power supply, and the power supply exported in conjunction with this AC network 20 charges to this electric motor car 90.If occur this secondary cell 70 also cannot out-put supply or out-put supply not enough time, this control unit 106 will in charge initial or process, by carrying out charging with this electric motor car 90 and powering the communication of information, with less out-put supply, this electric motor car 90 is charged.
Refer to Fig. 5, the charging device dynamically charged for the present invention is to the circuit box schematic diagram of secondary cell charge.When this control unit 106 detects that this electric motorcar charging station 10 does not have any electric motor car to charge, now, this control unit 106 controls this main switch cell S m to be ended and controls this auxiliary switching element Sa conducting, therefore, this the second main power source converting unit 1024 export this main out-put supply Pm and this second accessory power supply converting unit 1044 export this playback output power supply Pn, respectively as Fig. 5 the charge path L3 that indicates, L4, charges in conjunction with to this secondary cell 70.Wherein, this main out-put supply Pm is produced by this AC network 20, and this playback output power supply Pn is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60.In addition, if when this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60 cannot provide out-put supply, this main out-put supply Pm that this AC network 20 exports is then independent to this secondary cell 70 charging energy-storing.
Refer to Fig. 6, the charging device dynamically charged for the present invention is to the circuit box schematic diagram of electric motor car and secondary cell charge.As mentioned above, this control unit 106 controls this main out-put supply Pm that this main power source converting unit 102 exports and is restricted to this upper limit out-put supply value Pu, wherein, supposes that this upper limit out-put supply value Pu is 50kW.When this electric motor car 90 charge a required charged electrical source value Pc be less than or equal to this upper limit out-put supply value Pu time, that is, when this control unit 106 detects this charged electrical 30kW that source value Pc is required to be, wherein, this charged electrical source value Pc (30kW) is less than this upper limit out-put supply value Pu (50kW), therefore, it is 50kW that this control unit 106 controls this upper limit out-put supply value Pu that this main power source converting unit 102 exports, this electric motor car 90 is charged, as Fig. 6 the charge path L5 that indicates.But, this charged electrical source value Pc needed for this electric motor car 90 is less than this upper limit out-put supply value Pu, therefore, the redundant power that this main power source converting unit 102 exports and this second accessory power supply converting unit 1044 export this playback output power supply Pn, respectively as Fig. 6 the charge path L6 that indicates, L7, charges in conjunction with to this secondary cell 70.Wherein, this main out-put supply Pm is produced by this AC network 20, and this playback output power supply Pn is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60.
In addition, if when this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60 cannot provide out-put supply, this upper limit out-put supply value Pu that this main power source converting unit 102 exports then enough charges to this electric motor car 90, and the redundant power that this main power source converting unit 102 exports then can charge to this secondary cell 70 simultaneously.
Referring to Fig. 7, is the flow chart of the charging device method of operation that the present invention dynamically charges.The method of operation of this charging device dynamically charged is used for, to electric motor car charging, comprising the following step.First, provide a main power source converting unit, to receive the AC power that an AC network exports, and change this AC power into a main out-put supply (S10).Wherein this main power source converting unit comprises one first main power source converting unit and one second main power source converting unit; This first main power source converting unit receives this AC power, and changes this AC power into one first DC power supply; This second main power source converting unit receives this first DC power supply, and changes this first DC power supply to export this main out-put supply.
Then, provide an accessory power supply converting unit, to receive an auxiliary DC power supply, and change this auxiliary DC power supply into an auxiliary output power source (S20).Wherein, this auxiliary DC power supply exported by a secondary cell.Moreover this charging device dynamically charged also comprises one second accessory power supply converting unit, receive the regeneration DC power supply that a regeneration energy power generating device exports, and change this regeneration DC power supply to export a regeneration out-put supply.Wherein, this first main power source converting unit is that an interchange turns direct current transducer (AC-to-DC converter); This second main power source converting unit is the direct current transducer (DC-to-DC converter) that always circulates; This accessory power supply converting unit is the direct current transducer (DC-to-DC converter) that always circulates; This second accessory power supply converting unit is the direct current transducer (DC-to-DC converter) that always circulates.Wherein, this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) is a device of solar generating or a wind power generation plant.In addition, this charging device dynamically charged more comprises: a main switch unit connects the outlet side of this second main power source converting unit; And one auxiliary switching element connect between the outlet side of this secondary cell and the outlet side of the second main power source converting unit.
Then, providing a control unit, is a upper limit out-put supply value (S30) to control the maximum output of this main out-put supply that this main power source converting unit exports.Finally, when the charged electrical source value needed for this electric motor car charging is greater than this upper limit out-put supply value, this control unit according to the power supply difference of this charged electrical source value and this upper limit out-put supply value, the output (S40) of this accessory power supply converting unit of Dynamic controlling.
More specifically, this charging device dynamically charged at least has following three kinds of operating conditions:
(1) when this control unit controls this main switch cell conduction and control the cut-off of this auxiliary switching element, this second main power source converting unit exports this main out-put supply and this accessory power supply converting unit and exports this auxiliary output power source and be combined and charge to this electric motor car; Wherein, this main out-put supply is produced by this AC network, and this auxiliary output power source is produced by this secondary cell;
(2) when this control unit controls the cut-off of this main switch unit and controls this auxiliary switching element conducting, this second main power source converting unit exports this main out-put supply and exports this playback output power supply with this second accessory power supply converting unit and be combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT); And
(3) when this control unit controls this main switch cell conduction and control this auxiliary switching element conducting, this the second main power source converting unit exports this main out-put supply of a part, this electric motor car is charged, and this main out-put supply of another part exports this playback output power supply with this second accessory power supply converting unit is combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
Be worth mentioning; in the present invention, this charging device so-called has dynamically charging and refers to: although depend on unduly this AC network 20 to reduce electric motorcar charging station 10; usually understand in existing relevant laws and regulations the maximum out-put supply that this AC network 20 of specification can provide this electric motorcar charging station 10, that is this control unit 106 controls this main out-put supply Pm that this main power source converting unit 102 exports and is restricted to this upper limit out-put supply value Pu.But, charge power supply due to this electric motor car 90 charging process is non-is changeless, therefore, this control unit 106 can detect the charge power supply change of this electric motor car 90, this accessory power supply converting unit 104 of Dynamic controlling exports this auxiliary output power source Pa, to guarantee in whole charging process, this charging device 10 provides stable to this electric motor car 90, charges accurately.
In sum, the present invention has following feature & benefits:
1, in order to meet the regulation of existing relevant laws and regulations, limiting this AC network 20 provides the power supply of this electric motorcar charging station 10 to export maximum, and, this electric motor car 90 is charged with this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) 60 (such as device of solar generating or wind power generation plant) in conjunction with this AC network 20, so, this electric motorcar charging station 10 can be reduced depend on unduly this AC network 20, improve the demand of environmental protection and energy saving;
2, for the inadequate part of charge power supply needed for this electric motor car 90, this accessory power supply converting unit 104 of this control unit 106 Dynamic controlling exports this auxiliary output power source Pa, with this upper limit out-put supply value Pu exported in conjunction with this main power source converting unit 102, this electric motor car 90 is charged; And
3, be changeless because the charge power supply of this electric motor car 90 charging process is non-, therefore, this control unit 106 can detect the charge power supply change of this electric motor car 90, this accessory power supply converting unit 104 of Dynamic controlling exports this auxiliary output power source Pa, to guarantee in whole charging process, this charging device 10 provides stable to this electric motor car 90, charges accurately.
The above, be only the detailed description of preferred embodiment of the present invention and graphic, but feature of the present invention is not limited thereto, and be not used to limit the present invention, all scopes of the present invention should be as the criterion with following right, all embodiments of closing spirit change similar with it in the present patent application the scope of the claims, all should be contained in category of the present invention, any those skilled in the art in the field of the invention, can think easily and change or modify all can be encompassed in following the scope of the claims of the present invention.
Claims (18)
1. a charging device for dynamically charging, for charging to electric motor car, this charging device dynamically charged comprises:
One main power source converting unit, receives an AC power, and changes this AC power into a main out-put supply;
One accessory power supply converting unit, receives an auxiliary DC power supply, and changes this auxiliary DC power supply into an auxiliary output power source; And
One control unit, the maximum output controlling this main out-put supply is a upper limit out-put supply value;
When the charged electrical source value needed for this electric motor car charging is greater than this upper limit out-put supply value, this control unit according to the power supply difference of this charged electrical source value and this upper limit out-put supply value, the output of this auxiliary output power source of Dynamic controlling.
2. the charging device of dynamically charging as claimed in claim 1, wherein this charging device dynamically charged also comprises:
One main switch unit, connects the outlet side of this main power source converting unit; And
One auxiliary switching element, connects between the input side of this accessory power supply converting unit and the outlet side of this main power source converting unit.
3. the charging device of dynamically charging as claimed in claim 2, wherein when this control unit controls this main switch cell conduction and control the cut-off of this auxiliary switching element, this main power source converting unit exports this main out-put supply and this accessory power supply converting unit and exports this auxiliary output power source and be combined and charge to this electric motor car; Wherein, this main out-put supply is produced by an AC network, and this auxiliary DC power supply is produced by a secondary cell.
4. the charging device of dynamically charging as claimed in claim 3, wherein this charging device dynamically charged also comprises:
One second accessory power supply converting unit, receives the regeneration DC power supply that a regeneration energy power generating device exports, and changes this regeneration DC power supply to export a regeneration out-put supply.
5. the charging device of dynamically charging as claimed in claim 4, wherein when this control unit controls the cut-off of this main switch unit and controls this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply and exports this playback output power supply with this second accessory power supply converting unit and be combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
6. the charging device of dynamically charging as claimed in claim 4, wherein when this control unit controls this main switch cell conduction and control this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply of a part, this electric motor car is charged, and this main out-put supply of another part exports this playback output power supply with this second accessory power supply converting unit is combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
7. the charging device of dynamically charging as claimed in claim 1, wherein this main power source converting unit comprises one first main power source converting unit and one second main power source converting unit; This first main power source converting unit receives this AC power, and changes this AC power into one first DC power supply; This second main power source converting unit receives this first DC power supply, and changes this first DC power supply to export this main out-put supply.
8. the charging device of dynamically charging as claimed in claim 7, wherein this first main power source converting unit is that an interchange turns direct current transducer; This second main power source converting unit is the direct current transducer that always circulates; This accessory power supply converting unit is the direct current transducer that always circulates; This second accessory power supply converting unit is the direct current transducer that always circulates.
9. the charging device of dynamically charging as claimed in claim 4, wherein this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) is a device of solar generating or a wind power generation plant.
10. a method of operation for the charging device of dynamically charging, for charging to electric motor car, this method of operation comprises the following step:
A () provides a main power source converting unit, to receive an AC power, and change this AC power into a main out-put supply;
B () provides an accessory power supply converting unit, to receive an auxiliary DC power supply, and change this auxiliary DC power supply into an auxiliary output power source;
C () provides a control unit, be a upper limit out-put supply value to control the maximum output of this main out-put supply; And
(d) when the charged electrical source value needed for this electric motor car charging is greater than this upper limit out-put supply value, this control unit according to the power supply difference of this charged electrical source value and this upper limit out-put supply value, the output of this accessory power supply converting unit of Dynamic controlling.
The method of operation of 11. charging devices dynamically charged as claimed in claim 10, wherein this charging device dynamically charged also comprises:
One main switch unit, connects the outlet side of this second main power source converting unit; And
One auxiliary switching element, connects between the outlet side of this secondary cell and the outlet side of the second main power source converting unit.
The method of operation of 12. charging devices dynamically charged as claimed in claim 11, wherein when this control unit controls this main switch cell conduction and control the cut-off of this auxiliary switching element, this main power source converting unit exports this main out-put supply and this accessory power supply converting unit and exports this auxiliary output power source and be combined and charge to this electric motor car; Wherein, this main out-put supply is produced by an AC network, and this auxiliary output power source is produced by a secondary cell.
The method of operation of 13. charging devices dynamically charged as claimed in claim 12, wherein this charging device dynamically charged also comprises:
One second accessory power supply converting unit, receives the regeneration DC power supply that a regeneration energy power generating device exports, and changes this regeneration DC power supply to export a regeneration out-put supply.
The method of operation of 14. charging devices dynamically charged as claimed in claim 13, wherein when this control unit controls the cut-off of this main switch unit and controls this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply and exports this playback output power supply with this second accessory power supply converting unit and be combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
The method of operation of 15. charging devices dynamically charged as claimed in claim 13, wherein when this control unit controls this main switch cell conduction and control this auxiliary switching element conducting, this main power source converting unit exports this main out-put supply of a part, this electric motor car is charged, and this main out-put supply of another part exports this playback output power supply with this second accessory power supply converting unit is combined this secondary cell charge; Wherein, this main out-put supply is produced by this AC network, and this playback output power supply is produced by this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT).
The method of operation of 16. charging devices dynamically charged as claimed in claim 10, wherein this main power source converting unit comprises one first main power source converting unit and one second main power source converting unit; This first main power source converting unit receives this AC power, and changes this AC power into one first DC power supply; This second main power source converting unit receives this first DC power supply, and changes this first DC power supply to export this main out-put supply.
The method of operation of 17. charging devices dynamically charged as claimed in claim 16, wherein this first main power source converting unit is that an interchange turns direct current transducer; This second main power source converting unit is the direct current transducer that always circulates; This accessory power supply converting unit is the direct current transducer that always circulates; This second accessory power supply converting unit is the direct current transducer that always circulates.
The method of operation of 18. charging devices dynamically charged as claimed in claim 13, wherein this regenerated energy Blast Furnace Top Gas Recovery Turbine Unit (TRT) is a device of solar generating or a wind power generation plant.
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| CN110588389A (en) * | 2018-06-13 | 2019-12-20 | 大众汽车有限公司 | Charging device and charging system for charging and discharging traction battery of electric automobile |
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| CN104795852B (en) | 2017-12-15 |
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