CN102957161A - Alternating/direct-current rapid-charging pile using battery charging mode - Google Patents
Alternating/direct-current rapid-charging pile using battery charging mode Download PDFInfo
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Abstract
The invention relates to an alternating/direct-current rapid-charging pile using a battery charging mode, relating to a charging device. The alternating/direct-current rapid-charging pile is provided with a charging pile battery pack, a charging current controller, an operation control panel, a mains power charger, an alternating-current output charging interface, a card-swiping and coin-inserting toll device and a direct-current charging output connection wire. Two ends of the charging pile battery pack are respectively connected with the charging current controller and the mains power charger, the output end of the operation control panel is connected with the control signal input end of the charging current controller, the output end of the charging current controller is externally connected with a battery pack of an electric vehicle, the input end of the alternating-current output charging interface is externally connected with a power supply system, and the output end of the alternating-current output charging interface is externally connected with a vehicle-mounted charger of the electric vehicle. The charging current controller is provided with an output current control power component, a drive circuit, a current detection circuit, a voltage detection circuit, a control circuit, a first voltage-stabilizing power supply circuit and a second voltage-stabilizing power supply circuit.
Description
Technical field
The present invention relates to a kind of charging device, especially relate to and adopt battery to the alternating current-direct current quick charge stake of the mode of filling.
Background technology
Automobile will consume a large amount of petroleum resources and make serious air pollution, and all new energy electric motor vehicle solves the day by day exhausted problem of limited earth resource and the environment of preserving our planet greatly developing in countries in the world.The distinct issues of electric motor car are exactly flying power, adopt high capacity cell to solve flying power, and not only the cost cost is high, and volume is large, takes up space, and increases complete vehicle weight, virtually increases energy consumption.
Battery capacity is larger, and the charging interval is just longer, solves the charging interval problem in the mode of changing battery, needs a large amount of battery reserves.When electric motor car quantity rapid growth when the some, can make the battery reserve problem at battery altering station can be very outstanding, a large amount of battery reserves is again the another kind waste of resource.Build the battery altering station and need to take many soils/very large expense and staffing, bring difficulty for the addressing of building a station, it is far that electric motor car will look for a battery altering station to run possibly, is again a kind of waste and difficulty.
Shorten the charging interval, must increase charging current.Directly the large electric current high-power charger cost with mains-supplied is high, volume is large, electrical network is produced larger peak current and harmonic wave, this shows, it is very limited that employing is shortened the charging interval with the large current charge device of mains-supplied, and the onboard charger power of outfit is generally also not too large.
Voltage and the capacity of different vehicle use battery pack all may be different, and the battery altering station need to be equipped with the battery of Multiple Type.When electric motor car reaches some, can make being on a grand scale of battery altering station, can not be compatible with existing gas station, not only to take a lot of resources, and concentrate charging that electrical network is produced larger peak current and harmonic wave.
Chinese patent CN201766395U discloses a kind of AC/DC integrated charge pile, the charge power supply system, card-punching system and the man-machine interactive system that comprise master controller, are connected respectively with master controller, also comprise the electric connector that is connected respectively with master controller and charge power supply system, wherein, the charge power supply system comprises AC power and alternating current-direct current charhing unit.This utility model can provide separately AC charging or DC charging, also can provide simultaneously AC charging and DC charging, and is easy and simple to handle, charging modes is intelligent, hommization.
Summary of the invention
The object of the present invention is to provide and adopt battery to the alternating current-direct current quick charge stake of the mode of filling.
The present invention is provided with charging pile battery pack, charging current controller, operation control panel, line charger, interchange output charging inlet, swipes the card and coin-charging equipment and DC charging output connecting line.
The two ends of described charging pile battery pack are connected with line charger with the charging current controller respectively, the output of operation control panel is connected with the control signal input of charging current controller, the external battery of electric vehicle group of the output of charging current controller, exchange the external electric power system of input of output charging inlet, exchange the onboard charger of the external electric motor car of output of output charging inlet.
Described charging current controller is provided with output current power ratio control assembly, drive circuit, current detection circuit, voltage detecting circuit, control circuit, the 1st voltage stabilizing power supplying circuit and the 2nd voltage stabilizing power supplying circuit; The input of described output current power ratio control assembly is connected with the output of drive circuit, the output of described output current power ratio control assembly is connected with the input of current detection circuit, the input of described drive circuit is connected with the output of control circuit, and the input of described control circuit is connected with the output of the output of current detection circuit, voltage detecting circuit and the output of operation control panel; Described output current power ratio control assembly is connected with the input of charging pile battery pack, battery of electric vehicle group and voltage detecting circuit respectively, the input of described the 1st voltage stabilizing power supplying circuit is connected with the charging pile battery pack, the input of the output termination drive circuit of the 1st voltage stabilizing power supplying circuit; The input of described the 2nd voltage stabilizing power supplying circuit is connected with the charging pile battery pack, the input of the output connection control circuit of the 2nd voltage stabilizing power supplying circuit.
Because storage battery is a kind of energy storage device, therefore can provide at short notice very large electric current.Utilize these characteristics of storage battery, can carrying out long-time low current charge for the battery of charging pile at ordinary times, when automobile batteries is charged, originally be full of the battery of electricity to charging pile with the electric current quick charge greater than common charger several times.Adopt battery powered charging control circuit easily electric current to be done greatly, circuit is fairly simple, and cost is relatively much lower.
Adopt the charging modes decide electric current can the lower electric motor car of automatic adapting voltage, charging pile designs with the highest cell voltage that has electric motor car now.
Overall volume of the present invention is little, install easily, can with the fine compatibility in gas station, do not need to reconstruct the place, general roadside and parking lot can be installed, it is on duty to need not personnel, can optionally carry out high-density installation.Distance between each charging pile can be not far away, and as long as electric motor car is the little battery pack of equipped capacitor, and mode that just can relay is run far, has solved the continuation of the journey problem, can reduce again the cost of electric motor car, is conducive to penetration and promotion.Now a lot of every 20km of highway just have a service area, if each service area can quick charge, electric motor car is as long as the flying power that surpasses 20km is just can unconfined race far so.As long as Parking condition is arranged, do not need service area, at will just can set up the charging pile charging in the roadside.In the place of Shang Changpo, can build several charging piles more, can use charging to the energy of other automobile lower long slope simultaneously.
The present invention mainly solves the larger car of quantity, and for than relatively large motor vehicle, because battery capacity is too large, quick charge also needs a lot of time, and the method for generally still taking to change battery is proper.
The present invention adopts battery that the quick charge stake of the mode of filling is equipped with the enough battery pack of capacity, can provide large current charge in the short time.Battery pack has been arranged, the condition that can facilitate for the utilization of solar wind-energy, storage power to greatest extent, thus reach energy-conservation maximization.There are a lot of energy to reclaim in a lot of occasions, directly utilize on this battery pack that these energy just can store.In the place that much often needs slowing-down brake, can installing energy recovery apparatus.In the place that deceleration strip is installed, adopt the recyclable deceleration strip of energy, not only can utilize brake energy, can also reduce the loss of automobile.Need very large brake loss to consume the descending energy during oil-fired vehicle lower long slope, the key of energy utilization is exactly storage power, and the charging net battery pack of dense distribution just in time plays a role.
If distance is enough near between each charging pile, just can be connected with each other, make the electric power of each charging pile complementary, resource-sharing.Every place that has the charging of covering to net can utilize regenerative resource, reclaims and stores the energy that is wasted, and unnecessary energy can be other facility power, such as LED street lamp and means of transportation etc.
After charging pile was linked to be net, a large amount of battery pack can be carried out peak regulation to electrical network, took full advantage of the low ebb electric power in period, can return electrical network to unnecessary electric power in peak times of power consumption.The charging net that mutually links can provide a lot of network informations, near can knowing which charging pile is arranged, and how far distance has, and it is best how the circuit that arrives the destination should be walked, near which resource is arranged, which public bus network etc. is arranged.Can also connect the Internet, content is enrichment more, makes waiting of charging no longer boring and impatient.Adopt the constant-current charge mode, can be easy to calculate charge capacity.Press electric weight and charge, convenient and reasonable, need to run how many roads and just fill how many electricity, the same convenient with oiling.
Description of drawings
Fig. 1 is that the structure of the embodiment of the invention forms schematic diagram.
Fig. 2 is the composition frame chart of the charging current controller of the embodiment of the invention.
Fig. 3 is the theory of constitution figure of the charging current controller of the embodiment of the invention.
Fig. 4 is the oscillogram of the charging current controller of the embodiment of the invention.
Embodiment
Referring to Fig. 1 and Fig. 2, the embodiment of the invention is provided with charging pile battery pack 1, charging current controller 2, operation control panel 3, line charger 4, exchanges output charging inlet 5, swipes the card and coin-charging equipment 6 and DC charging output connecting line.
Are connected with line charger with charging current controller 2 respectively and are connected in the two ends of described charging pile battery pack 1, the output of operation control panel 3 is connected with the control signal input of charging current controller 2, the external battery of electric vehicle group 7 of the output of charging current controller 2, exchange the external electric power system of input of output charging inlet 5, exchange the onboard charger 8 of the external electric motor car of output of output charging inlet 5.
Described charging current controller 2 is provided with output current power ratio control assembly 21, drive circuit 22, current detection circuit 23, voltage detecting circuit 24, control circuit 25, the 1st voltage stabilizing power supplying circuit 26 and the 2nd voltage stabilizing power supplying circuit 27; The input of described output current power ratio control assembly 21 is connected with the output of drive circuit 22, the output of described output current power ratio control assembly 21 is connected with the input of current detection circuit 23, the input of described drive circuit 22 is connected with the output of control circuit 25, and the input of described control circuit 25 is connected with the output of current detection circuit 23, the output of voltage detecting circuit 24 and the output of operation control panel 3; Described output current power ratio control assembly 21 is connected with the input of charging pile battery pack 1, battery of electric vehicle group 7 and voltage detecting circuit 24 respectively, the input of described the 1st voltage stabilizing power supplying circuit 26 is connected with charging pile battery pack 1, the input of the output termination drive circuit 22 of the 1st voltage stabilizing power supplying circuit 26; The input of described the 2nd voltage stabilizing power supplying circuit 27 is connected with charging pile battery pack 1, the input of the output connection control circuit 25 of the 2nd voltage stabilizing power supplying circuit 27.
The present invention adopts the high-voltage battery group that the low-voltage battery group is carried out the mode of filling is charged to electric motor car, and electric current is large, and the time is short.The battery pack that at present electric motor car adopts is 60V mostly, and in order to guarantee enough large charging current and high efficiency accurate control, the battery pack of charging pile design employing 72V is used in current control circuit with the voltage difference of 12V.The battery pack of charging pile is charged long-time continuing by a common normal charge device at ordinary times, and the charging circuit schematic diagram as shown in Figure 1.
Fig. 3 provides the theory of constitution figure of the charging current controller of the embodiment of the invention, output current power ratio control assembly is comprised of field effect transistor Q1A, Q1B, Q2 and accumulation of energy inductance L 1, drive circuit is comprised of driving force powerful chip IC 1/IR2010 and R13, R14, R15, and it is the Hall current sensor IC7/C1T-100A of 100A that current detection circuit adopts electric current; Voltage detecting circuit is comprised of R16, R17 and comparator 339D, control circuit is comprised of control chip IC2/STC15F204EA, comparator IC5/LM358, IC6/LM339, D2 and R4-R12, the 1st voltage stabilizing power supplying circuit is comprised of Q3, C1, IC4/TL431, R1-3, and the burning voltage that produces 15V is supplied with drive circuit and comparator circuit work; The 2nd voltage stabilizing power supplying circuit is comprised of C2-5, IC3/7805, produces the burning voltage supply control circuit work of 5V; Operation control panel is the touch LCD screen.
Fig. 4 provides the oscillogram of the charging current controller of the embodiment of the invention.
The course of work is described as follows:
1. holding state: after power on circuitry starts beginning, control chip IC2 5. pin P3.0 and 6. pin P3.1 all export high level signal, 5. deliver to the SD end that drives chip IC 1 behind the high level signal of pin P3.0 process D2 and the comparator 339D, make the output of IC1 not controlled by input LIN and HIN, output LO and HO are low levels, the power output pipe all is in cut-off state, before a point of oscillogram.
2. charging is prepared: the charging instruction that produces when guidance panel is from the 1. pin P3.4 of IC2 with when 3. pin P3.5 sends into, the 5. pin P3.0 output low level of IC2, a point position of oscillogram.Through making the SD end step-down level of IC1 behind D2 and the comparator 339D, IC1 output LO and HO are controlled by input LIN and HIN.IC2 6. pin P3.1 is high level, through behind the inverter of IC5, the LIN pin of IC1 is high level, the HIN pin is low level, IC1 output LO exports high level signal, drives the Q2 conducting by R2, and the automobile batteries of access is by 1 discharge of accumulation of energy inductance L, energy storage is on L1, and C1 then is charged to about 14V by D1, Q2.The HO output low level of IC1, the Q1A/B cut-off.
3. charging begins: be after the To of time-delay 2 μ s from a to the b section, IC2 6. pin P3.1 becomes low level, the LIN pin of IC1 also is low level, and the HIN pin is high level, the Q1A/B conducting, the Q2 cut-off, the automobile batteries voltage stack of the voltage of C1 and access is lifted, and adds the inductance electromotive force of L1, can obtain the voltage of about 85V, make the reliable conducting of Q1A/B, unnecessary energy returns the battery pack of charging pile by Q1A/B.After the energy release of inductance L 1 was complete, namely b was to the c section, and the battery pack of electrical pile begins by the batteries charging of accumulation of energy inductance L 1 to electric motor car.
4. current detecting: charging current detects through Hall current sensor, from 3 pin output voltage signals, is added to respectively on 3 comparators.Here the model of selecting is C1T-100A, and maximum detection electric current is 100A, can select larger specification when needing larger electric current.Hall current sensor is 3 pin output 5V voltage when zero current, output 7V voltage during forward 100A electric current, oppositely 100A electric current output 3V voltage.Electric current increases gradually, when charging current surpassed 5A, the voltage of Hall element output surpassed 5.1V, and comparator 339B output becomes high level to 7. pin P3.2 of chip IC 2 by low level, chip detection begins timing T1 behind this rising edge, the c of oscillogram is to the d section.
5. Current Control: the d of oscillogram is to e, and f is to g, and i is to j, and when charging current increased to above 90A gradually, sensor output voltage was greater than 6.8V, and comparator 339A output low level is to 8. pin P3.3 of IC2.Chip IC 2 is after 8. pin P3.3 detects this low level trailing edge, timing T1 finishes, IC2 is pin P3.1 output high level 6., and the LIN pin of IC1 is high level, and the HIN pin is low level, the Q1A/B cut-off, Q2 conducting, the battery pack of charging pile stop to the charging of battery of electric vehicle group, and the energy of accumulation of energy inductance L 1 discharges by Q2, continuation is charged to electric motor car, and electric current reduces gradually.When electric current during less than 5A, the voltage of transducer output is less than 5.1V, and comparator 339B output low level is to 7. pin P3.2 of IC2, after chip IC 2 detects this low level trailing edge, control chip IC2 is pin P3.1 output low level again 6., Q1A/B conducting, Q2 cut-off, the e of oscillogram is to f, g is to h, and j is to k, and timer T1 begins timing, begin next charging pulse, so go round and begin again.
6. adjusting electric current: the design maximum charging current here is 90A, if reduce charging current, can be according to the instruction of operation control panel, control chip IC2 is when second charging pulse, according to the charging interval T1 of first pulse, proportionally reduce the T1 time, also do not reach 90A at electric current, chip IC 2 8. pin P3.3 does not also detect low level trailing edge, by 6. pin P3.1 output high level of time of T1 control IC2, begin next charging pulse, charging current is reduced.
7. devulcanization negative pulse: during lead acid battery charge, can produce sulfurization at battery lead plate, affect the life-span of battery pack, therefore when charging, must eliminate this sulfurization, employing can be eliminated sulfurization to the negative pulse electric current of battery discharge, reclaims simultaneously the pulse energy of battery discharge.When circuit design reaches 20 pulses in charging, the devulcanization of once discharging.When charging current was reduced to 5A, IC2 8. pin P3.3 ignored a trailing edge pulse that detects, and IC2 6. pin P3.1 continues the output high level, and the timer T1 of chip IC 2 begins timing.The electric current of inductance L 1 is reduced to zero, and after energy discharged fully, the battery pack of electric motor car began to inductive discharge, and the k of oscillogram is to the l section.When discharging current increased to above 90A gradually, comparator 339C output low level arrived 8. pin P3.3 of IC2, and IC2 is pin P3.1 output low level 6., the Q1A/B conducting, and the Q2 cut-off, the l of oscillogram is to m.If charging current is not to select maximum 90A, but by the smaller electric current of timer control, the electric current of devulcanization discharge also is according to same time T 1 proportional control electric current so.This devulcanization negative pulse only selects lead acid accumulator just to have at operation control panel, if select lithium battery, will skip this process, directly accesses next charge cycle.
8. reclaim devulcanization negative pulse energy: after the devulcanization negative pulse reaches maximum current by inductive discharge, energy storage is on inductance L 1, IC2 is after 8. pin P3.3 detects the low level pulse trailing edge of comparator 339C, IC2 is pin P3.1 output low level 6., the Q1A/B conducting, the Q2 cut-off, the energy of inductance L 1 turns back to the electrical pile battery pack, reclaimed energy, oscillogram m is to n.
9. next charge cycle begins: after the energy release of devulcanization negative pulse is complete, the electric current of inductance L 1 is zero, the battery pack of electrical pile begins the batteries charging to electric motor car, when electric current increases to above 5A, chip IC 2 7. pin P3.2 detects the rising edge of high level, T1 begins timing, enters the charging of next cycle, and oscillogram n is to o and o to p.
10. battery voltage detection protection: in order to prevent overcharging; and other abnormalities; ensuring the normal battery of access could charge; voltage detecting circuit R16, R17 and comparator 339D detect the battery pack that is recharged at any time; when voltage reaches the state that is full of electricity or higher voltage is arranged; 339D produces the SD end that high level is delivered to IC, and the output of control IC1 all is low level, and the power output pipe all is in cut-off state.Chip IC 2 does not detect the level signal of charging current for a long time, is judged as abnormality, stops charging procedure.
Claims (1)
1. adopt battery to the alternating current-direct current quick charge stake of the mode of filling, it is characterized in that being provided with charging pile battery pack, charging current controller, operation control panel, line charger, interchange output charging inlet, swipe the card and coin-charging equipment and DC charging output connecting line;
The two ends of described charging pile battery pack are connected with line charger with the charging current controller respectively, the output of operation control panel is connected with the control signal input of charging current controller, the external battery of electric vehicle group of the output of charging current controller, exchange the external electric power system of input of output charging inlet, exchange the onboard charger of the external electric motor car of output of output charging inlet;
Described charging current controller is provided with output current power ratio control assembly, drive circuit, current detection circuit, voltage detecting circuit, control circuit, the 1st voltage stabilizing power supplying circuit and the 2nd voltage stabilizing power supplying circuit; The input of described output current power ratio control assembly is connected with the output of drive circuit, the output of described output current power ratio control assembly is connected with the input of current detection circuit, the input of described drive circuit is connected with the output of control circuit, and the input of described control circuit is connected with the output of the output of current detection circuit, voltage detecting circuit and the output of operation control panel; Described output current power ratio control assembly is connected with the input of charging pile battery pack, battery of electric vehicle group and voltage detecting circuit respectively, the input of described the 1st voltage stabilizing power supplying circuit is connected with the charging pile battery pack, the input of the output termination drive circuit of the 1st voltage stabilizing power supplying circuit; The input of described the 2nd voltage stabilizing power supplying circuit is connected with the charging pile battery pack, the input of the output connection control circuit of the 2nd voltage stabilizing power supplying circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103825323A (en) * | 2014-02-11 | 2014-05-28 | 江苏博强新能源科技有限公司 | Charging self-adaptive current-limiting system |
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| CN201766395U (en) * | 2010-09-21 | 2011-03-16 | 北京优科利尔能源设备有限公司 | AC/DC integrated charge pile |
| CN102201693A (en) * | 2011-06-07 | 2011-09-28 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system of electric vehicle |
| JP2012135135A (en) * | 2010-12-22 | 2012-07-12 | Clarion Co Ltd | Vehicle charging system, on-vehicle device, and controlling method of the on-vehicle device |
| CN202917990U (en) * | 2012-11-27 | 2013-05-01 | 厦门绿沃电子科技有限公司 | AC-DC rapid charging pile employing battery-to-battery charging mode |
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2012
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Patent Citations (5)
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| CN201113410Y (en) * | 2007-05-31 | 2008-09-10 | 刘志洪 | Electric power driven car battery charging protector |
| CN201766395U (en) * | 2010-09-21 | 2011-03-16 | 北京优科利尔能源设备有限公司 | AC/DC integrated charge pile |
| JP2012135135A (en) * | 2010-12-22 | 2012-07-12 | Clarion Co Ltd | Vehicle charging system, on-vehicle device, and controlling method of the on-vehicle device |
| CN102201693A (en) * | 2011-06-07 | 2011-09-28 | 天宝电子（惠州）有限公司 | Vehicle-mounted charging system of electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103825323A (en) * | 2014-02-11 | 2014-05-28 | 江苏博强新能源科技有限公司 | Charging self-adaptive current-limiting system |
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| CN102957161B (en) | 2015-05-20 |
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