KR101684322B1 - charging system of electric vehicle equipped with reverse Transmission features - Google Patents
charging system of electric vehicle equipped with reverse Transmission features Download PDFInfo
- Publication number
- KR101684322B1 KR101684322B1 KR1020150077654A KR20150077654A KR101684322B1 KR 101684322 B1 KR101684322 B1 KR 101684322B1 KR 1020150077654 A KR1020150077654 A KR 1020150077654A KR 20150077654 A KR20150077654 A KR 20150077654A KR 101684322 B1 KR101684322 B1 KR 101684322B1
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- South Korea
- Prior art keywords
- power
- transmission
- electric
- unit
- electric vehicle
- Prior art date
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- B60L11/1838—
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- B60L11/184—
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- B60L11/1848—
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- B60L11/1851—
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- H02J7/0006—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/91—Electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a charging system for an electric vehicle having a faucet and a transmission function, and more particularly, To a charging system for an electric vehicle having a power reception and transmission function capable of charging electric power to a battery of an electric vehicle at a time when the electric charge is low, and then transmitting the electric power to the electric power company at a time when the electric charge is high.
Although electric vehicles (EVs) were developed before gasoline or diesel vehicles, they were not practical due to the heavy weight of the battery and the time required for charging. However, recently, fossil fuels such as gasoline and diesel Due to the depletion of energy and environmental pollution, interest in electric vehicles using electric energy has increased, and research on this has been actively resumed.
An electric vehicle refers to a vehicle that does not use petroleum fuel and an engine for it but uses a battery and a motor, that is, an electric motor. Such an electric vehicle is advantageous in that it is free from fossil energy exhaustion or environmental pollution by rotating an electric motor which is charged in a battery, not a fossil energy. However, there is a limit to increase the capacity of the battery, have.
As a result, cars using fossil energy can easily be charged at gas stations. Particularly, as the battery technology has been rapidly developed, the capacity of the battery has increased and the charging time has become shorter. Therefore, an electric vehicle charging system that can charge the battery with a limited time and space is demanded.
As described above, the electric vehicle charging system uses electric energy to charge the battery. Unlike a gas station, various facilities are required. In order to supply a sufficient and stable electric power, a separate transmission network, a power line, and a substation should be installed do.
In order to charge the battery of the electric vehicle as described above, Patent Document 1 discloses a system for detecting the amount of electric power and the electric charge to be delivered to the distribution system. In addition, Patent Document 2 discloses a system for charging Patent Document 3 discloses a system for charging the battery of an electric vehicle with the remaining electric power except the electric power consumed by the electronic product. Patent Document 4 discloses a system for shutting off the electric power charged in an electric vehicle The operating company server and the utility billing server send the information to the operating company server so that the charge for the subtracted electricity amount is charged to the electricity supplier and the charge for the electric car charging electric power is charged to the electricity consumer. A system for settlement is disclosed.
1, the conventional electric vehicle charging system includes a
The above-described conventional electric vehicle charging system transmits electric power and electric charge to the distribution, prevents electricity from being applied to the human body, charges extra power to the battery, and charges only the amount of electric power charged to the electric vehicle There is a problem in that the charge for the amount of electric power charged in the electric vehicle is charged equally regardless of the charging time.
The present invention has been made to solve the problems of the prior art as described above, and it is an object of the present invention to provide a power supply system capable of minimizing electricity charges when electric power is charged in an electric vehicle, And an object of the present invention is to provide a charging system for an electric vehicle.
It is another object of the present invention to provide a charging system for an electric vehicle having a power reception function and a power transmission function capable of minimizing the communication cost.
According to an aspect of the present invention, there is provided an electric vehicle power supply unit including a battery pack. And a power reception and transmission unit for charging the battery pack of the electric vehicle power supply unit with electricity received through the power system or transmitting the electric power charged in the battery pack of the electric vehicle power supply unit to the power system, An input unit for setting an operation plan of the electric vehicle, an electricity reception mode and a transmission mode; A user recognition unit for recognizing user information of an electric vehicle to be charged; A power reception and transmission time calculation unit for calculating the power reception and transmission time bands based on the electric vehicle operation plan and the electricity rates by time of day; A charging unit charging the battery pack of the electric vehicle power unit with electricity received through the power system; A power transmission unit for transmitting electricity charged in a battery pack of the electric vehicle power unit to the power system; An electric power meter for measuring electric power charged in the battery pack of the electric vehicle power unit through the electric power system by time; A transmission power meter for measuring the amount of transmission power discharged from the battery pack of the electric vehicle power unit and transmitted to the power system by time; A memory unit in which a program for controlling power reception and transmission according to the operation plan of the electric vehicle and the electricity rate according to the time of day is mounted; A communication module for transmitting to the electric power company management server information on the amount of received electric power measured by the received electric energy meter and the amount of transmission electric power measured by the transmission electric energy meter together with user information; And control of transmission and transmission of power and electricity to the electric power company management server based on the electricity schedule of the electric vehicle and the electric bill according to the time base, measurement of electric power for transmission, reception and transmission electric power, calculation of electricity rate for electricity reception and transmission electric power, And an electric power transmission and transmission control unit. The electric vehicle charging system has a power reception and transmission function.
In the present invention, the user recognizing unit recognizes user information through a unique number of an electric car or a user card of a user to be charged or a user's mobile phone number.
In the present invention, the charging unit is provided with a slow charging function and a rapid charging function.
In the present invention, the communication module may transmit information on the amount of received power measured by the received power meter and the amount of transmission power measured by the transmission power meter each day, one day, one week, or one month, To the electric power company management server every week or every month.
In the present invention, the power reception and transmission control unit may be connected to the power company management server to measure a power reception and transmission power amount in each time slot, and to calculate an electricity rate for the power reception and transmission power according to the electricity rate And upgrades to the memory unit.
In the present invention, the power reception and transmission control unit may include a program for measuring a power reception and transmission power amount at the time of a user request or at the power company management server in a time zone, and calculating an electricity rate for power reception and transmission power amount And a program for calculating an electric charge for power reception and transmission electric power according to an electric charge for each time slot is upgraded.
In the present invention, the electric vehicle power supply unit may include an AC-to-DC converter that is driven by electric power from the power system and converts AC power from the power receiving and transmitting unit to DC power to charge the battery pack; And a DC-AC converter that is driven upon power transmission to the power system and converts DC power of the battery pack to AC power and discharges the power to the power receiving and transmitting unit.
In the present invention, the amount of received power measured by the received power meter, the amount of transmission power measured by the transmission power meter, and the electricity rate by time are calculated to calculate the electricity reception electricity charges and transmission electricity charges for each time period or set period An electricity bill calculating section; And a display unit for displaying the electricity reception electricity charges and the electricity transmission electricity charges for each time period or the set period calculated by the electricity rate calculation unit.
According to the present invention, electric power is charged to the battery of the electric vehicle at a time of a low electricity bill according to the electric vehicle's operation plan and the electric bill according to the time base, and electric power is supplied to the battery of the electric vehicle The electric power is charged to the electric power company at a time when the electric power is charged, thereby minimizing the electric charge when electric power is charged to the electric vehicle and returning electric power to the electric power company to increase additional profit.
In addition, the present invention minimizes the communication cost by transmitting the information on the amount of electric power charged in the electric vehicle and the electric charge to the electric power company only at a designated point in time, It is effective.
1 is a schematic diagram showing an example of a conventional electric vehicle charging system.
FIG. 2 is a configuration diagram of an electric vehicle charging system having a power reception and transmission function according to an embodiment of the present invention.
3 is a detailed configuration diagram of the power receiving and transmitting unit shown in FIG.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 2 is a configuration diagram of an electric vehicle charging system having an electric power receiving and transmitting function according to an embodiment of the present invention, and FIG. 3 is a detailed configuration diagram of the electric power receiving and transmitting unit shown in FIG.
2 and 3, an electric vehicle charging system having an electric power receiving and transmission function according to an embodiment of the present invention is an electric vehicle charging system mounted on an electric vehicle and having a
The
The
The electric vehicle
The electric vehicle
The power receiving and transmitting
As shown in FIG. 3, the above-described receiving and transmitting
In detail, the
The
Particularly, the
The power reception and transmission
In particular, the faucet and transmission
Here, the power reception and transmission
The
The
The
The
The
The
Here, the
The power reception and power
At this time, the power reception and
In particular, the power reception and
The electric-
The
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, Modification is possible. Accordingly, the spirit of the present invention should be understood only in accordance with the following claims, and all equivalents or equivalent variations thereof are included in the scope of the present invention.
10: Electric vehicle power unit 11: Battery pack
12: AC-DC converter 13: DC-AC converter
14: motor 20: faucet and transmission part
21: input unit 22: user recognition unit
23: Receiving and transmission time calculating unit 24:
25: transmission unit 26:
27: transmission power meter 28: memory unit
29: communication module 30: power reception and transmission control section
31: Electricity bill calculating part 32: Display part
33: Timer 40: Power system
50: Power company management server
Claims (8)
Electric power received through the power system 40 is charged in the battery pack 11 of the electric vehicle power supply unit 10 or electricity charged in the battery pack 11 of the electric vehicle power supply unit 10 is supplied to the electric power system 40 And a power receiving and transmitting unit (20)
The receiving and transmitting unit (20)
An input unit 21 for setting an operation plan of the electric vehicle, an electricity reception mode and a transmission mode;
A user recognition unit 22 for recognizing user information of an electric vehicle to be charged;
A power reception and transmission time calculation unit 23 for calculating an electricity reception and transmission time band based on the electric vehicle operation plan and the electricity rate by time slot;
A charging unit (24) for charging electricity received through the power system (40) into the battery pack (11) of the electric vehicle power supply unit (10);
A power transmission unit (25) for transmitting electricity charged in the battery pack (11) of the electric vehicle power supply unit (10) to the power system (40);
An electric power meter (26) for measuring electric power charged in the battery pack (11) of the electric vehicle power supply unit (10) via the electric power system (40) by time zone;
A transmission power meter (27) for measuring the amount of power transmitted from the battery pack (11) of the electric vehicle power supply unit (10) to the power system (31)
A memory unit 28 in which a program for controlling power reception and transmission according to the operation plan of the electric vehicle and the electric charge according to time is installed;
Information on the amount of received power measured by the received power meter 26 and the amount of transmitted power measured by the transmission power meter 27 is transmitted to the power company management server 50 A communication module (29) for connecting to and transmitting data; And
Control of power transmission and transmission, measurement of power reception and transmission electric power according to electric service plan of electric vehicle and electric time by time, calculation of electric charge for power reception and transmission electric power, control of transmission of electric power and transmission electric power to electric power company management server 50 A power reception and transmission control unit 30;
Wherein the electric vehicle charging system has a power receiving and transmission function.
The user recognition section (29)
And recognizes the user information through the unique number of the electric car or the user card of the user to be charged or the user's mobile phone number.
The power reception and transmission control unit (30)
Receives a program for measuring the amount of power received and transmitted by the power company management server 50 and calculating the electricity rate for the power reception and transmission power according to the electricity rate for each time zone, Wherein the electric power is supplied to the electric vehicle.
The power reception and transmission control unit (30)
Each time the user requests or an upgrade of a program for measuring the electricity reception and transmission electric power quantities in the electric power company management server 50 according to the time zone and calculating the electric charges for the electricity reception and transmission electric power according to the electric power cost per time zone, And a program for calculating an electricity rate for power reception and transmission electric power according to an electricity rate on a time-by-time basis by upgrading a program for measuring power reception and transmission electric power stored in the electric power storage unit (28) Electric vehicle charging system.
Calculates the amount of received power measured by the received power meter 26, the amount of transmission power measured by the transmission power meter 27, and the electricity cost per time period to calculate the electricity reception electricity charges and transmission electricity charges for each time period or set period An electricity bill calculating unit 31 for calculating an electricity bill; And
A display unit (32) for displaying the electricity reception charge and the electricity transmission charge calculated by the electricity charge calculation unit (31) for each time period or the set period;
Further comprising: a charging unit for charging and discharging electricity from the electric vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150077654A KR101684322B1 (en) | 2015-06-02 | 2015-06-02 | charging system of electric vehicle equipped with reverse Transmission features |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150077654A KR101684322B1 (en) | 2015-06-02 | 2015-06-02 | charging system of electric vehicle equipped with reverse Transmission features |
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| Publication Number | Publication Date |
|---|---|
| KR101684322B1 true KR101684322B1 (en) | 2016-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| KR1020150077654A KR101684322B1 (en) | 2015-06-02 | 2015-06-02 | charging system of electric vehicle equipped with reverse Transmission features |
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| KR (1) | KR101684322B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190080161A (en) | 2017-12-28 | 2019-07-08 | 한국전력공사 | Electric vehicle including watt-hour meter and system for managing mobile power supplier |
| KR20190100654A (en) * | 2018-02-21 | 2019-08-29 | 주식회사 그리드위즈 | Reverse power device for vehicle |
| KR20190137524A (en) | 2018-06-01 | 2019-12-11 | 대영채비(주) | Mobile charging system of electric car through infrared communication module |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190080161A (en) | 2017-12-28 | 2019-07-08 | 한국전력공사 | Electric vehicle including watt-hour meter and system for managing mobile power supplier |
| KR102061474B1 (en) * | 2017-12-28 | 2020-01-02 | 한국전력공사 | Electric vehicle including watt-hour meter and system for managing mobile power supplier |
| KR20190100654A (en) * | 2018-02-21 | 2019-08-29 | 주식회사 그리드위즈 | Reverse power device for vehicle |
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| KR20190137524A (en) | 2018-06-01 | 2019-12-11 | 대영채비(주) | Mobile charging system of electric car through infrared communication module |
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