CN105490362A - Electric vehicle charger - Google Patents
Electric vehicle charger Download PDFInfo
- Publication number
- CN105490362A CN105490362A CN201511033074.6A CN201511033074A CN105490362A CN 105490362 A CN105490362 A CN 105490362A CN 201511033074 A CN201511033074 A CN 201511033074A CN 105490362 A CN105490362 A CN 105490362A
- Authority
- CN
- China
- Prior art keywords
- switch
- power supply
- energy
- control unit
- supply grid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 36
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- H02J7/0027—
-
- 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
- H02J7/04—Regulation of charging current or voltage
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
-
- 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
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric vehicle charger. The electric vehicle charger comprises a power supply power grid, wherein the power supply power grid is connected with the electric vehicle through the charger; an energy storage unit is connected between the power supply power grid and the charger; and the energy storage unit is controlled by a control unit. The energy storage unit is connected with an existing direct current charging system in parallel; when the power grid is in power failure, the electric energy of the energy storage unit is input to the direct current charging system so as to realize uninterruptible power supply for the electric vehicle charging system; when the power grid operates normally, the electric energy is directly input to the direct current charging system from a bypass circuit; and meanwhile, when the energy storage unit is low in electric quantity, the control unit emits a signal to close a switch at the input end of the energy storage unit, so that the purpose of charging the energy storage unit is fulfilled.
Description
[technical field]
The invention belongs to charging electric vehicle field, be specifically related to a kind of electric automobile battery charger.
[background technology]
Along with the progress of society and the enhancing of environmental consciousness, electric automobile, owing to taking vehicle power as power, can solve fuel-engined vehicle pollution emission environment, problems such as high energy consumption and progressively being favored.And the charging problems of the electric automobile problem that to be people pay special attention to, it is related to the universal of electric automobile and promotes.
The input of charging system for electric automobile is the low pressure output 380V of transformer and distribution power station.When power supply grid disconnects suddenly, the electric energy input of whole charging system for electric automobile can be interrupted, and can cause the impact of at least two aspects like this.1. the electric automobile charged cannot continue charging, and simultaneously due to power-off, charging electric vehicle electricity cannot upload to cloud backstage.2. etc. electric automobile to be charged cannot charge normal.Under many circumstances, wait electric automobile to be charged may only need part electric energy in this charging system, as long as be filled with certain electric energy to electric automobile, ensure that enough course continuation mileages are to next fixing charging station.The power-off of charging station, the output of unexpected cut-out electric energy, can affect the enthusiasm of electric automobile user greatly, affect the popularization of electric automobile below.
[summary of the invention]
The object of the invention is to overcome above-mentioned deficiency, a kind of electric automobile battery charger is provided, when charging electric vehicle, can also give after grid cut-off and maintain charging a period of time.
In order to achieve the above object, the present invention includes power supply grid, power supply grid connects by charger connecting electric automobile, and be also connected with energy-storage units between power supply grid and charger, energy-storage units is controlled by control unit.
Described power supply grid connects power factor corrector PFC, power factor corrector PFC is by connecting energy-storage module after DC/DC transducer, energy-storage module is by being connected to charger after boost booster circuit and DC/AC transducer, power supply grid also directly connects charger, control unit can gather the information of power supply grid, and control unit connects energy-storage units by CAN.
The described three-phase stating power supply grid exports in power supply and is provided with master switch, master switch comprises that the three-phase being separately positioned on power supply grid exports the first switch S 1 in power supply, second switch S2 and the 3rd switch S 3, first switch S 1, second switch S2 and the 3rd switch S 3 are all controlled by control unit.
Described power supply grid be connected power factor corrector PFC respectively by the 4th switch S 4, the 5th switch S 5 with the 6th switch S 6, the 4th switch S 4, the 5th switch S 5 and the 6th switch S 6 are all controlled by control unit.
Be connected to charger respectively by the tenth switch S the 10, the 11 switch S 11 and twelvemo pass S12 after described boost booster circuit and DC/AC transducer, the tenth switch S the 10, the 11 switch S 11 and twelvemo are closed S12 and are all controlled by control unit.
Described power supply grid is by being directly connected charger after the 7th switch S 7, the 8th switch S 8 and the 9th switch S 9, and the 7th switch S 7, the 8th switch S 8 and the 9th switch S 9 are all controlled by control unit.
Compared with prior art, the present invention is by energy-storage units in parallel on existing DC charging system, and when grid cut-off, the electric energy of energy-storage units completes the input to DC charging system, thus reach the uninterrupted power supply of charging system for electric automobile, when electrical network is normal, electric energy is directly inputted in the middle of DC charging system from bypass, simultaneously, when energy-storage units electricity is not enough, control unit sends signal, and the switch of closed energy-storage units input, reaches to the object of energy-storage units charging.
[accompanying drawing explanation]
Fig. 1 is systematic schematic diagram of the present invention;
Fig. 2 is connection diagram of the present invention.
[embodiment]
Below in conjunction with accompanying drawing, the present invention will be further described.
See Fig. 1, the present invention includes power supply grid, power supply grid connects by charger connecting electric automobile, and be also connected with energy-storage units between power supply grid and charger, energy-storage units is controlled by control unit.
See Fig. 2, the three-phase of power supply grid exports in power supply and is provided with master switch, and master switch comprises the three-phase being separately positioned on power supply grid and exports the first switch S 1 on powering, second switch S2 and the 3rd switch S 3, the three-phase of power supply grid export power supply by after master switch respectively by the 7th switch S 7, 8th switch S 8 and the 9th switch S 9 are connected to charger, charger connecting electric automobile, the three-phase of power supply grid export power supply by after master switch respectively by the 4th switch S 4, 5th switch S 5 is connected power factor corrector PFC with the 6th switch S 6, power factor corrector PFC by connecting energy-storage module after DC/DC transducer, energy-storage module by after boost booster circuit and DC/AC transducer respectively by the tenth switch S 10, 11 switch S 11 and twelvemo are closed S12 and are connected to charger, and control unit can gather the information of power supply grid, and controls the first switch S 2, second switch S2, 3rd switch S 3, 4th switch S 4, 5th switch S 5, 6th switch S 6, 7th switch S 7, 8th switch S 8, 9th switch S 9, tenth switch S 10, 11 switch S 11 and twelvemo close S12, and control unit connects energy-storage units by CAN.
Power supply grid exports 380V threephase AC electric energy, and by sample circuit, control unit detects that electrical network exports normal, closed first switch S 1 simultaneously, second switch S2, the 3rd switch S the 3, seven switch S the 7, eight switch S the 8, nine switch S 9; Power supply grid bypass directly outputs to charger.
A parameter value is set at energy-storage units electricity, when energy-storage units electricity is lower than parameter value, such as parameter value is the rated capacity of 50%, control unit is by controlling closed 4th switch S 4, the 5th switch S 5 and the 6th switch S 6, now energy-storage units is in charged state, 7th switch S 7, the 8th switch S 8 and the 9th switch S 9 disconnect, and now energy-storage units is in charging energy-storing state.
When energy-storage units electricity reaches 95% or the rated capacity of other threshold values, control unit is disconnected by control the 4th switch S 4, the 5th switch S 5 and the 6th switch S 6, tenth switch S the 10, the 11 switch S 11 and twelvemo close S12 disconnection simultaneously, now energy-storage units is in uncharged state, energy-storage units electricity can by increasing or reduce battery pack or other energy storage devices change rated capacity, different changes values can be set simultaneously, change other values into by 95%.
Power supply grid exports 380 threephase AC electric energies, control unit detects electrical network output abnormality by sample circuit, control unit is by controlling disconnection first switch S 1, second switch S2 and the 3rd switch S 3, simultaneously by controlling disconnection the 7th switch S 7, the 8th switch S 8 and the 9th switch S 9, control unit is by controlling closed tenth switch S the 10, the 11 switch S 11 and twelvemo pass S12, now energy-storage units is in output energy state, direct current energy is converted into AC energy and is input in charger.
Claims (6)
1. an electric automobile battery charger, is characterized in that, comprises power supply grid, and power supply grid is by charger connecting electric automobile, and be also connected with energy-storage units between power supply grid and charger, energy-storage units is controlled by control unit.
2. a kind of electric automobile battery charger according to claim 1, it is characterized in that, described power supply grid connects power factor corrector PFC, power factor corrector PFC is by connecting energy-storage module after DC/DC transducer, energy-storage module is by being connected to charger after boost booster circuit and DC/AC transducer, power supply grid also directly connects charger, and control unit can gather the information of power supply grid, and control unit connects energy-storage units by CAN.
3. a kind of electric automobile battery charger according to claim 2, it is characterized in that, the three-phase of described power supply grid exports in power supply and is provided with master switch, master switch comprises that the three-phase being separately positioned on power supply grid exports the first switch S 1 in power supply, second switch S2 and the 3rd switch S 3, first switch S 1, second switch S2 and the 3rd switch S 3 are all controlled by control unit.
4. a kind of electric automobile battery charger according to claim 2, it is characterized in that, described power supply grid be connected power factor corrector PFC respectively by the 4th switch S 4, the 5th switch S 5 with the 6th switch S 6, the 4th switch S 4, the 5th switch S 5 and the 6th switch S 6 are all controlled by control unit.
5. a kind of electric automobile battery charger according to claim 2, it is characterized in that, be connected to charger respectively by the tenth switch S the 10, the 11 switch S 11 and twelvemo pass S12 after described boost booster circuit and DC/AC transducer, the tenth switch S the 10, the 11 switch S 11 and twelvemo are closed S12 and are all controlled by control unit.
6. a kind of electric automobile battery charger according to claim 2, it is characterized in that, described power supply grid is by being directly connected charger after the 7th switch S 7, the 8th switch S 8 and the 9th switch S 9, and the 7th switch S 7, the 8th switch S 8 and the 9th switch S 9 are all controlled by control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033074.6A CN105490362A (en) | 2015-12-31 | 2015-12-31 | Electric vehicle charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511033074.6A CN105490362A (en) | 2015-12-31 | 2015-12-31 | Electric vehicle charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105490362A true CN105490362A (en) | 2016-04-13 |
Family
ID=55677173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511033074.6A Pending CN105490362A (en) | 2015-12-31 | 2015-12-31 | Electric vehicle charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105490362A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249469A1 (en) * | 2012-03-21 | 2013-09-26 | Majid Pahlevaninezhad | Input power controller for ac/dc battery charging |
| CN203312888U (en) * | 2013-07-03 | 2013-11-27 | 上海中科深江电动车辆有限公司 | Vehicle charging circuit structure used for electric vehicle power battery charge |
| CN204633440U (en) * | 2015-05-29 | 2015-09-09 | 江艳 | A kind of Intelligent charging system of electric automobile |
| CN205670706U (en) * | 2015-12-31 | 2016-11-02 | 西安特锐德智能充电科技有限公司 | A kind of electric automobile battery charger |
-
2015
- 2015-12-31 CN CN201511033074.6A patent/CN105490362A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249469A1 (en) * | 2012-03-21 | 2013-09-26 | Majid Pahlevaninezhad | Input power controller for ac/dc battery charging |
| CN203312888U (en) * | 2013-07-03 | 2013-11-27 | 上海中科深江电动车辆有限公司 | Vehicle charging circuit structure used for electric vehicle power battery charge |
| CN204633440U (en) * | 2015-05-29 | 2015-09-09 | 江艳 | A kind of Intelligent charging system of electric automobile |
| CN205670706U (en) * | 2015-12-31 | 2016-11-02 | 西安特锐德智能充电科技有限公司 | A kind of electric automobile battery charger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201312133Y (en) | Charging device, energy-storing device and charging station | |
| CN102280903B (en) | V2G intelligent charging and discharging system | |
| CN203014409U (en) | Automatic charging system for electric automobile storage battery | |
| CN105471055A (en) | Energy storage system for charging electric vehicle | |
| CN105207303A (en) | Charging system and method for charger of electric car | |
| CN203780389U (en) | Moveable emergency power supply vehicle | |
| CN105449734A (en) | Battery balancing device and charge and discharge balancing method thereof | |
| CN202363924U (en) | Multifunctional power supply management system | |
| CN204497835U (en) | A kind of PoE switch of uninterrupted power supply | |
| CN104333107A (en) | Direct-current screen power source device utilizing hybrid power sources | |
| CN203434637U (en) | Energy storage system | |
| CN109449944B (en) | Bidirectional direct-current power supply control system and method for transformer substation | |
| CN202167879U (en) | Intelligent charging and monitoring integration device for electric automobile | |
| CN204858603U (en) | Battery system | |
| CN104617652A (en) | Battery supply device of portable terminal | |
| CN202602351U (en) | Time sharing power supply energy storage system for residence | |
| CN202906570U (en) | Emergency electric-energy system with change-over switch | |
| CN205670706U (en) | A kind of electric automobile battery charger | |
| CN205753568U (en) | A kind of elevator five side's intercom system back-up source using ultracapacitor | |
| CN204597552U (en) | Movable charging vehicle Circuits System | |
| CN105490362A (en) | Electric vehicle charger | |
| CN112186877B (en) | Energy storage online seamless switching power supply device based on emergency power supply vehicle and control method | |
| CN204118774U (en) | The online charge and discharge device of a kind of storage battery | |
| CN205335944U (en) | Electric automobile energy storage system that charges | |
| CN206640387U (en) | A kind of general-purpose aircraft intellectuality avionics emergency power supply management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
|
| RJ01 | Rejection of invention patent application after publication |