CN102386663A - Digital charging system of electric vehicle charging station - Google Patents
Digital charging system of electric vehicle charging station Download PDFInfo
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- CN102386663A CN102386663A CN2010101980757A CN201010198075A CN102386663A CN 102386663 A CN102386663 A CN 102386663A CN 2010101980757 A CN2010101980757 A CN 2010101980757A CN 201010198075 A CN201010198075 A CN 201010198075A CN 102386663 A CN102386663 A CN 102386663A
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- charger
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- electric vehicle
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Abstract
The invention relates to a digital charging system of an electric vehicle charging station, which comprises an alternating current power grid and chargers (a No. 1 charger, a No. 2 charger, a No. 3 charger, ellipsis, and a No. N charger); the chargers (the No. 1 charger, the No. 2 charger, the No. 3 charger, ellipsis, and the No. N charger) are butted with a battery pack connector of an electric vehicle through charger output connectors and charge single batteries in the battery pack of the electric vehicle. During charging, a battery patrol inspection unit detects the charging of the single batteries of the battery pack of the electric vehicle through the charger output connectors, uploads relevant data to a charging system control microcomputer, and carries out man-machine conversation through a terminal of a charging system of a charging station. The digital charging system of the electric vehicle charging station also comprises a battery discharge unit which can discharge the batteries of the electric vehicle, convert the discharged electricity through a direct current/alternating current converter and recovers energy when the chargers carry out pulse charging to the batteries of the electric vehicle.
Description
Technical field
The present invention relates to a kind of digitlization charging system of electric motorcar charging station, be common to the charging system of all kinds electric motorcar charging station.
Background technology
At present; Based on to environmental protection and low-carbon economy in vogue with the high background that rises of oil price under; Seek new technology and substitute traditional combustion engine technology inevitable choice seemingly, the popularization of electric motor car and use also become inevitable choice, and the popularization of electric motor car is bound to promote the prosperity of electric motorcar charging station; There is the little and big shortcoming of power consumption of power in the existing charging station of existing market, and existing charging modes to the battery injury greatly; Simultaneously because existing charging system can not compatible various types of electric motor cars; For dissimilar electric motor cars, need the charging system of different model, the waste resource is difficult to satisfy the needs that electric motor car develops at all.
Summary of the invention
The purpose of this invention is to provide a kind of present gas station that is similar to, for electric motorcar charging station provides charging digitlization charging system service, general.
For realizing above-mentioned purpose, the present invention is able to solve through following proposal, and the charger that input is connected with AC network docks with the battery of electric vehicle set of joints through the charger out splice going splice, to corresponding single battery charging in the battery of electric vehicle group.When charger is given charging battery of electric vehicle; The charge condition of battery of electric vehicle; And the situation that contacts of charger out splice going splice and battery of electric vehicle set of joints, give the charging system microcomputer through battery routing inspection unit and thermocouple with data upload, the charging system microcomputer with data processing after; Give the charging station Fare Collection System with data upload again, and show situation and the electrical equipment out splice going splice of battery and the situation that contacts of battery of electric vehicle set of joints at the terminal of charging station Fare Collection System.
The battery discharge unit: with after the battery of electric vehicle set of joints is docked, the battery discharge unit could be connected with battery of electric vehicle through the charger out splice going splice, and the battery discharge unit passes through data wire; Accept the control command of charging system microcomputer; According to control command the battery of electric vehicle group is discharged, after Q2 opens, boost to stable 15VDC direct voltage through DC/DC; Give the charging station battery charge; Through DC/AC inversion conversion, convert direct current to interchange exactly again, electric energy is provided for the daily power consumption equipment of charging station.
The AC energy sampling unit is that the electric motor car required energy data that charges is uploaded to the charging station Fare Collection System.The data that Fare Collection System provides according to the AC energy sampling unit in conjunction with electricity price at that time, calculate the expense of charging, and show or printing at the terminal of Fare Collection System.
The charging system microcomputer is given Fare Collection System with the charge condition of single battery in the battery of electric vehicle group and charger output plug with the temperature data uploading under the charge condition after the battery of electric vehicle set of joints is docked, and shows at the terminal of Fare Collection System or print.
Advantage of the present invention is, for so long as the electric motor car of battery of electric vehicle set of joints of the present invention is installed, no matter how many joints the battery of its electric motor car has; During charging; As long as in charging station charging of the present invention, just not needing increases separately or changes accessory, just can directly charge.
Description of drawings
As shown in Figure 1: main composition of the present invention: as to comprise AC network (1); Charger 1# (1); Charger 2# (3); Charger 3# (4) ... Charger N# (5), charger out splice going splice (6), battery of electric vehicle set of joints (7), battery of electric vehicle group (8), electric motor car (9), battery routing inspection unit (10), battery discharge unit (11), the daily power consumption equipment of charging station (15), charging system microcomputer (13), AC energy sampling unit (12) and charging station Fare Collection System (14) and terminal (25) thereof.AC energy sampling unit (12) is with being given to charging station Fare Collection System (14) on the energy data of gathering during charging, and charging station Fare Collection System (14) calculates the charging expense according to the electricity price of data of gathering and reference equivalent.And be terminal (25) demonstration of charging station Fare Collection System (14) and printing.
As shown in Figure 2: charger chief component of the present invention; Be by a plurality of identical single charger (charger 1#; Charger 2#; Charger 3#...... charger N#) form: AC network (1) is through AC rectification (17); Be rectified into direct voltage, pass through PFC power factor correction (18) again and boost into the direct voltage about 400VDC, increase PFC power factor correction (18) just in order to make active power (P) and the ratio (PF) of apparent power (Q) in the AC network (1) level off to 1;
has only PF more near 1, and then the energy conversion efficiency in the AC network (1) is high more.The 400VDC direct voltage is after DC/DC conversion (19) step-down; The 400VDC direct voltage is depressured to the direct voltage about 14.8VDC; For the single-unit charge in batteries; 14.8VDC voltage will pass through switch element Q1, just can reach the terminal of charger out splice going splice (6), when the charging control signal 1 of charging control (20)
#During for low level, the 14.8VDC voltage of DC/DC conversion (19) step-down just can not reach the terminal on the charger out splice going splice (6), has only when charging control signal 1
#During for high level, switch element Q1 could open.14.8VDC voltage just can reach the terminal of charger out splice going splice (6); Through the terminal on the battery of electric vehicle set of joints (7) to single battery (the battery 1# in the battery of electric vehicle group (8); Battery 2#; Battery 3#.... battery N#) charge, the switch element Q1 in the charging control (20) receives charging control signal 1
#Control, and charging control signal 1# is sent by charging system microcomputer (13).
As shown in Figure 3: discharge cell of the present invention (11) is mainly by charger out splice going splice (6); Switch element Q2 in discharge control (21) and the described discharge control (21); DC/DC boost (22); Charging station battery (23), DC/AC inversion conversion daily power consumption equipment of (24) charging station (15) and charging system microcomputer (13) are formed.
Discharge control (21) in the described discharge cell (11) (discharge control 1#, discharge control 2#, discharge control 3# ... Discharge control N#) with charger out splice going splice (6) in terminal (A-1, A-2, A-3 ... A-N) connect one to one; When Q2 opens in the discharge control (21); DC/DC boost (22) just be raised to stable 15VDC voltage to the single battery in the battery of electric vehicle group (8); To the single battery in the charging station battery (23) (charging station battery 1#, charging station battery 2#, charging station battery 3# ... Charging station battery N#) charges; Q2 in the described discharge control (21) is controlled by discharge control signal 2#, when discharge control signal 2# is high level; Switch element Q2 in the discharge control (21) could open discharge control signal 2
#Send by charging system microcomputer (13).
As shown in Figure 4: the connection layout of charger out splice going splice of the present invention (6) and battery of electric vehicle set of joints (7)
Terminal (A-0, A-1, A-2, A-3 in the charger out splice going splice (6) ... A-N) with charger 1# (2), charger 2# (3), charger 3# (4) ... Charger N# (5) connects one to one.Like following table:
Single battery in the battery of electric vehicle group (8) (battery 1#, battery 2#, battery 3# ... Battery N#) respectively with terminal (B-0, B-1, B-2, the B-3 of battery of electric vehicle set of joints (7) ... B-N) correspondence is connected one by one.
Like following table:
The corresponding one by one butt joint of terminal in terminal in the battery of electric vehicle set of joints (7) and the charger out splice going splice (6)
Like Fig. 5 and as shown in Figure 6, whether the detection battery of electric vehicle set of joints (7) among the present invention and charger out splice going splice (6) dock is put in place and terminal aging equipment whether
Little female terminal D on the battery of electric vehicle set of joints (7) connects 12V voltage, and the little male terminal C on the charger out splice going splice (6) is through resistance R 1 ground connection, and terminal C also connects with charger microcomputer (13) simultaneously.
When charger out splice going splice (6) and battery of electric vehicle set of joints (7) when docking, A, D link together, and B, E link together, and F, C link together.After the joint butt joint puts in place, indicator light LED1, LED2 can be shinny.
Because the length of A, B, C, D, E, F is shorter than big current terminal, and be distributed on the marginal point of symmetry.After A, B, C, D, E, F terminal connected, big current terminal then also docked and puts in place.
During charging; Big electric current male terminal (A-0, A-1, A-2, A-3 ... A-N) with big electric current female terminal (B-0, B-1, B-2, B-3 ... B-N) because of electric current is big, if oxidation easily is because of terminal oxidation or the bad contact resistance increase that produces of elasticity; Can cause local temperature to rise; The thermocouple (24) that is installed in the charger out splice going splice (6) is given charging system microcomputer (13) with temperature data uploading, and the display terminal (25) in charging station Fare Collection System (14) demonstrates variations in temperature again, when the temperature height arrives certain value; Charging station Fare Collection System (14) is spoken/the light warning, and prompting needs more charger output plug (6) or battery of electric vehicle set of joints (7).
As shown in Figure 7: give the control signal sequential chart of charging battery of electric vehicle and discharge among the present invention, when control signal 1# was high level, charger was given the corresponding battery charge of electric motor car; When control signal 1# is a low level, when control signal 2# was high level, discharge cell was just given the corresponding battery discharge of electric motor car.
As shown in Figure 8: give the current diagram of charging battery of electric vehicle and discharge among the present invention, in the current diagram of curve for charging of time shaft (t) top, the curve below time shaft (t) is the current diagram of discharge.
Embodiment
The first step is docked charger output interface (6) with battery of electric vehicle group interface (7), after butt joint puts in place, be placed in the LED2 on the electronic battery pack joint (7), can be luminous with the LED1 that is placed on the charger out splice going splice (6), mean that the joint butt joint puts in place.When the current potential that receives the holding wire 2# on the terminal C that is connected on the charger out splice going splice (6) when charging system microcomputer (13) is high level, can charge to battery of electric vehicle group (7) according to the program of setting.Otherwise it is low level that charging system microcomputer (13) is given the instruction of the switch element Q1 of charging control (20), can not charge; Giving the instruction of the switch element Q2 in the discharge control (21) is low level, can not discharge.
In second step, charging system microcomputer (13) carries out human-computer dialogue with the battery charger terminal (25) that the signal accomplished uploads to Fare Collection System (14) of preparing, and provides the instruction of whether charging by operating personnel.
The 3rd step; After charging system microcomputer (13) is received the charging instruction that charging station Fare Collection System (14) sends; Charging system microcomputer (13) is just given high level signal of discharge mode earlier; Battery of electric vehicle group (8) is carried out of short duration discharge; Battery routing inspection unit (10) is given charging system microcomputer (13) with detected data upload simultaneously, and charging system microcomputer (13) compares the discharge curve of the battery of electric vehicle group (8) that the discharge curve and the battery routing inspection unit (10) of the battery standard that stores in the computer are uploaded, and selects best charging control mode; Select best charge/discharge frequency and charge/discharge time
As the control (20) of charging is pulse current charge, the control signal 1 in charging control (20)
#During for high level, charger 1#, charger 2#, charger 3#..... charger N# just charge to corresponding single battery in the battery of electric vehicle group (8) (battery 1#, battery 2#, battery 3#...... battery N#).Control signal 2# in the discharge control (21) is a low level simultaneously, can not discharge.Control signal 1 in charging control (20)
#Be low level, the control signal 2 in the discharge control (21)
#During for high level, discharge cell (11) just discharges to battery of electric vehicle group (8).Charge/discharge current is as shown in Figure 8.
As the control (20) of charging is for constant voltage charge, and then the control signal 1# in the charging control (20) be a high level just always, and the control signal 2# in the discharge control (21) is a low level just always.Charging current rises along with battery tension and reduces, and when charging current was zero, charging finished.
The 4th step: when charging control (20) was pulse current charge, the control signal 1# in the charging control (20) was a low level, discharge control (21) discharge control signal 2
#During for high level; Q2 opens discharge, boosts to the direct voltage about 15VDC through DC/DC, and charging station battery (23) is carried out pulse current charge; Charging station battery (23) is transformed into the 220VAC/50HZ alternating current through DC/AC inversion conversion (24), gives the daily power consumption equipment of charging station (15) power supply.
Numerical value in the above-mentioned explanation only adopts for clarity.
Claims (7)
1. the digitlization charging system of an electric motorcar charging station; It is characterized in that: comprise the charger 1# (2), charger 2# (3), charger 3# (4), the charger N# (5) that are connected with AC network (1); The battery routing inspection unit (10) that links to each other with charger out splice going splice (6) and battery discharge unit (11); Battery discharge unit (11) links to each other with the daily power consumption equipment of charging station (15), and the electric energy sampled data when AC energy sampling unit (12) will charge is uploaded to charging system microcomputer (13).
2. the digitlization charging system of electric motorcar charging station according to claim 1; It is characterized in that; Described charger 1#, charger 2#, charger 3# ... Charger N#; Dock with battery of electric vehicle set of joints (7) through charger out splice going splice (6), respectively independently to the single battery in the battery of electric vehicle group (8) (battery 1#, battery 2#, battery 3# ... Battery N#) charges.
3. the digitlization charging system of electric motorcar charging station according to claim 1 and 2; It is characterized in that; Described charger 1# (2), charger 2# (3), charger 3# (4), charger N# (5) the control signal 1# of the control of the charging in the inside (20) separately all come self-charging system microcomputer (13); Charging modes can be pulse current charge and constant voltage charge; After the parameter that charging modes is uploaded according to battery routing inspection unit (10) and battery discharge unit (11) by charging system microcomputer (13) and the parameter of storage inside compare, select the optimal charge mode, pulse current charge is selected best charge frequency and is discharged and recharged the time.
4. according to claim 1 or 2; The digitlization charging system of described electric motorcar charging station; It is characterized in that: the thermocouple that temperature sensor changes is housed in charger out splice going splice (6), judges terminal whether oxidation or elasticity deficiency in charger out splice going splice (6) and the battery of electric vehicle set of joints (7) according to variations in temperature; Judge according to variations in temperature whether charger out splice going splice (6) is good with battery of electric vehicle set of joints (7) contact.
5. according to claim 1 or 2; The digitlization charging system of described electric motorcar charging station; It is characterized in that: on charger out splice going splice (6), indication LED 1 is housed, on battery of electric vehicle set of joints (7), indicator light LED2 is housed, put in place so that judge whether big current terminal docks.
6. according to claim 1 or 2 or 3, the digitlization charging system of described electric motorcar charging station is characterized in that: can battery of electric vehicle group (8) discharge through battery discharge unit (11).
7. according to claim 1 or 2 or 3 or 7, described electric motorcar charging station digitlization charging system is characterized in that: can reclaim energy through charging station battery (23) and DC/AC inversion conversion (24).
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CN2010101980757A CN102386663A (en) | 2010-09-02 | 2010-09-02 | Digital charging system of electric vehicle charging station |
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CN2010101980757A CN102386663A (en) | 2010-09-02 | 2010-09-02 | Digital charging system of electric vehicle charging station |
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CN2010101980757A Pending CN102386663A (en) | 2010-09-02 | 2010-09-02 | Digital charging system of electric vehicle charging station |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103560567A (en) * | 2013-11-18 | 2014-02-05 | 常州永安公共自行车系统股份有限公司 | Station power management module |
CN103872712A (en) * | 2012-12-13 | 2014-06-18 | 西门子公司 | Control guiding device, charging socket, electric automobile charging device and system |
CN104377785A (en) * | 2014-12-03 | 2015-02-25 | 郑伟雄 | Electric vehicle charging station and application method thereof |
CN105305528A (en) * | 2014-06-11 | 2016-02-03 | 西门子公司 | Function and wear monitoring in charging device for electric vehicle |
CN112234661A (en) * | 2020-04-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Method for determining optimal charging parameter of battery, charging management method and system |
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CN201063446Y (en) * | 2007-04-18 | 2008-05-21 | 闻彬 | Multi-battery pack charging/discharging management system device |
US20080197801A1 (en) * | 2005-03-11 | 2008-08-21 | Techtium, Ltd. | Bidirectional Battery Charge Controller |
CN201937315U (en) * | 2010-06-11 | 2011-08-17 | 长沙三海电子科技有限公司 | Digitized charging system of electric-vehicle charging station |
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2010
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080197801A1 (en) * | 2005-03-11 | 2008-08-21 | Techtium, Ltd. | Bidirectional Battery Charge Controller |
CN201063446Y (en) * | 2007-04-18 | 2008-05-21 | 闻彬 | Multi-battery pack charging/discharging management system device |
CN201937315U (en) * | 2010-06-11 | 2011-08-17 | 长沙三海电子科技有限公司 | Digitized charging system of electric-vehicle charging station |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103872712A (en) * | 2012-12-13 | 2014-06-18 | 西门子公司 | Control guiding device, charging socket, electric automobile charging device and system |
CN103872712B (en) * | 2012-12-13 | 2017-06-09 | 西门子公司 | Control guiding device, charging socket, charging equipment of electric automobile and system |
CN103560567A (en) * | 2013-11-18 | 2014-02-05 | 常州永安公共自行车系统股份有限公司 | Station power management module |
CN105305528A (en) * | 2014-06-11 | 2016-02-03 | 西门子公司 | Function and wear monitoring in charging device for electric vehicle |
CN105305528B (en) * | 2014-06-11 | 2020-07-10 | 西门子公司 | Function and wear monitoring in a charging device for an electric vehicle |
CN104377785A (en) * | 2014-12-03 | 2015-02-25 | 郑伟雄 | Electric vehicle charging station and application method thereof |
CN112234661A (en) * | 2020-04-30 | 2021-01-15 | 蜂巢能源科技有限公司 | Method for determining optimal charging parameter of battery, charging management method and system |
CN112234661B (en) * | 2020-04-30 | 2022-03-29 | 蜂巢能源科技有限公司 | Method for determining optimal charging parameter of battery, charging management method and system |
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Application publication date: 20120321 |