CN104242391A - Battery-electric-vehicle-mounted storage battery charging device - Google Patents
Battery-electric-vehicle-mounted storage battery charging device Download PDFInfo
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- CN104242391A CN104242391A CN201410455293.2A CN201410455293A CN104242391A CN 104242391 A CN104242391 A CN 104242391A CN 201410455293 A CN201410455293 A CN 201410455293A CN 104242391 A CN104242391 A CN 104242391A
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- 239000003990 capacitor Substances 0.000 claims abstract description 31
- 230000003111 delayed effect Effects 0.000 claims description 14
- 230000010355 oscillation Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 abstract description 4
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000005955 Ferric phosphate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 229940032958 ferric phosphate Drugs 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 229910000399 iron(III) phosphate Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a battery-electric-vehicle-mounted storage battery charging device. The device supplies power either through a small gasoline alternating-current generator or through an alternating-current mains supply. The small gasoline alternating-current generator can supply power in the travelling process, and the mains supply can supply power when a vehicle is parked. According to a charging circuit of the charging device, two sets of super-capacitor accumulators conduct charging and discharging in an alternate mode to form low-frequency large-current continuous charging pulses, so that the requirement of a large-capacity battery of an electric vehicle for large-current charging can be met. The tested result shows that the two sets of super-capacitor accumulators with the 125 V charging pulse voltage and the 32 A pulse current are adopted for charging and discharging alternatively so that the 16 kwh lithium iron phosphate battery can be charged reliably, the charging time of a battery set from the minimum voltage to the end of charging is 9.5 hours, the power supply voltage is 220 V, the power supply current is 2 A, the power of the charting device is only 440 W, the power consumption is about 4.2 degrees, and the charging device can be powered by a domestic watt hour meter and has the remarkable energy-saving feature.
Description
Technical field
The invention belongs to battery charging equipment, especially relate to a kind of pure electric automobile Vehicular accumulator cell charging device.
Background technology
At present, also there are some technical problems in the development of domestic electric automobile particularly family-sized car, be difficult in the short time popularize, wherein charging electric vehicle technology and facility are one of bottleneck problems.
The technical scheme of existing pure electric automobile charging on-vehicle battery device is a lot, but all need larger input power, as defined in standard GB/T/T18487.1-2001< motor vehicle conduction charging system General Requirements >, charging station, charging pile supply power voltage should meet with electric current: exchange and be nominally single-phase voltage 250V, three-phase 415V, and exchanging nominal current is 16A, 32A, 60A, 100A, 150A and 250A.
Power bracket according to the ac charging power supply of above-mentioned single phase alternating current (A.C.) nominal voltage current specification is 4kw to 62.5kw; because the construction and layout that can provide the public electrically-charging equipment such as charging station, charging pile of high power AC charge power supply are in progress slowly; and general family kilowatt-hour meter is difficult to realize high-power capacity like this; therefore existing pure electric automobile charging on-vehicle battery device or technical scheme are not suitable for home communication power supply, the greatly obstacle universal use of family-sized car of this phenomenon.
Summary of the invention
The present invention is the technical problem needing high power AC charge power supply in order to solve existing pure electric automobile charging on-vehicle battery device, and proposes a kind of pure electric automobile Vehicular accumulator cell charging device.
The present invention takes following technical scheme for achieving the above object: pure electric automobile Vehicular accumulator cell charging device, comprise housing, power transformer in housing and rectification circuit, feature is, pure electric automobile is provided with small gasoline alternating current generator, its output is connected to the first power transformer, the second source transformer that input is connected to civil power is also provided with in housing, described first, second source transformer secondary output is connected to diverter switch, the handle of diverter switch is arranged at surface of shell, described diverter switch selects the AC power exported to be connected to the first rectification circuit and the second rectification circuit, first rectification circuit output end is provided with time relay coil and current-limiting resistance time delayed turn-off current-limiting circuit in series, the normally-closed contact of the described time relay is parallel to this current-limiting circuit two ends, second rectification circuit is connected to and is provided with the adjustable ultralow-frequency oscillator power end of pulse duty factor, ultralow-frequency oscillator output is connected to relay drive circuit input, relay drive circuit output is connected to the first control relay J1 coil and the second control relay J2 coil, wherein a normally opened contact of the first control relay J1 is connected between the first capacitor energy charging input end and time delayed turn-off current-limiting circuit, in one normally-closed contact of the first control relay J1 and time delayed turn-off current-limiting circuit, one of the time relay often opens electric shock and is connected in series in the first capacitor energy electric discharge output, one normally-closed contact of the second control relay J2 is connected between the second capacitor energy charging input end and time delayed turn-off current-limiting circuit, one normally opened contact of the second control relay J2 is connected in series in the second capacitor energy electric discharge output, described first, second capacitor energy is made up of ultracapacitor connection in series-parallel, described first, second capacitor energy electric discharge output is connected to the charging positive output terminals of housing.
The present invention can also take following technical measures:
Charging input end and the electric discharge output of first, second capacitor energy described are respectively equipped with isolating diode.
The frequency of oscillation of described ultra-low frequency oscillation circuit is 1-3HZ, pulse duty factor 0.6-0.8.
Beneficial effect of the present invention and advantage are: this charging device has small gasoline alternating current generator and electric main two kinds of supply power modes, can be powered, powered during parking by electric main in driving conditions by small gasoline alternating current generator.The charging circuit of this charging device adopts two groups of super electric capacity energy storage means replacing discharge and recharge to form low frequency big current trickle charge pulse, therefore, it is possible to meet the requirement of electric automobile high capacity cell large current charge.By the test specification to an embodiment, two groups of capacitor energies that charging pulse voltage and pulse current are respectively 125V, 32A replace discharge and recharge and reliably can charge to 16kwh ferric phosphate lithium cell group, battery pack is 9.5 hours from limit low-voltage to the charging complete charging interval, supply power voltage and electric current are respectively 220V, 2A, namely this charging system power is only 440W, power consumption about 4.2 degree.Visible, family's kilowatt-hour meter can be used when this charging device is powered by electric main to power, be more suitable for the public electrically-charging equipment such as charging station and charging pile and use, there is significant characteristics of energy saving.When being powered by small gasoline alternating current generator, oil consumption per hour is about 0.8 liter.
Accompanying drawing explanation
Accompanying drawing 1 is principle of the invention block diagram.
Accompanying drawing 2 is this charging device embodiment electrical schematic diagrams.
Accompanying drawing 3 is this charging device structural representations.
Embodiment
The present invention is further illustrated below in conjunction with embodiment and accompanying drawing thereof.
As shown in Figure 1, 2, pure electric automobile is provided with 1kw small gasoline alternating current generator, and its output is connected to the first power transformer B1, and second source transformer B2 input is connected to civil power, first, second power transformer output is connected to diverter switch K, and diverter switch K is hand switch.The AC power of the output that diverter switch K selects is connected to the first rectification circuit ZL1 and the second rectification circuit ZL2.The object arranging first, second power transformer is respectively the difference existed to adapt to alternating current generator and mains input voltage.
First fills rectification circuit ZL1 output is provided with time relay TJ coil and current-limiting resistance R time delayed turn-off current-limiting circuit in series, and the normally closed electric shock TJ-1 of time relay TJ is parallel to this current-limiting circuit two ends.Transship when time delayed turn-off current-limiting circuit can avoid charging rectifier circuit ZL1 to start, time relay TJ obtains electric rear normally closed electric shock TJ-1 disjunction, current-limiting resistance R is series at charging rectifier circuit ZL1 output, delay time arrives, normally closed electric shock TJ-1 recovers to connect, current-limiting resistance R is by short circuit, and charging rectifier circuit ZL1 gets final product High-current output.Time relay TJ time delayed turn-off can be set as the several seconds.
Charging control circuit is made up of ultralow-frequency oscillator and control relay.
The frequency of oscillation of ultralow-frequency oscillator is 1-3HZ, the pulse duty factor of this oscillator is adjusted by dutyfactor adjustment circuit, pulse duty factor scope is 0.6-0.8, the each capacitor energy capacity of Main Basis adjusts this parameter, and first, second capacitor energy charging and discharging state should be made when discharging current is less than maximum discharge current 0.8 to switch.
The output of ultralow-frequency oscillator is connected to relay drive circuit input, and relay drive circuit output is connected to the coil of the first control relay J1 and the second control relay J2.Ultralow-frequency oscillator and relay drive circuit also can adopt integrated circuit.
The normally-closed contact J1-1 of the first control relay J1 be connected to by super capacitor CA-1 to CA-n be connected in series form between the first capacitor energy charging input end and time delayed turn-off current-limiting circuit.In the normally opened contact J1-2 of the first control relay and time delayed turn-off current-limiting circuit, the normally opened contact TJ-2 of the time relay is connected in series in the first capacitor energy electric discharge output.
The normally opened contact J2-1 of the second control relay J2 be connected to by super capacitor CB-1 to CB-n be connected in series form between the second capacitor energy charging input end and time delayed turn-off current-limiting circuit.The normally-closed contact J2-2 of the second control relay J2 is connected in series in the second capacitor energy electric discharge output.
Control rectification circuit ZL2 is ultralow-frequency oscillator, relay drive circuit provides direct-current working volts.
The charging input end of first, second capacitor energy is respectively equipped with isolating diode D1, D2, and electric discharge output is respectively equipped with isolating diode D3, D4.
First, second capacitor energy of the present embodiment is in series by the ultracapacitor of 50 60F, withstand voltage 3V respectively, also can be made up of ultracapacitor connection in series-parallel according to the requirement of capacitor energy output voltage and electric current.
The negative pole of first, second capacitor energy electric discharge output isolating diode D3, D4 is connected to this charging system charging positive output terminals.
In above-described embodiment, ultra-low frequency oscillation voltage is simultaneously for control relay J1, J2 provide working power, and the contrary each Control contact of disjunction/engagement state is connected to each charging accumulator input and electric discharge output respectively in pairs, thus two accumulators are made to replace discharge and recharge.
As shown in Figure 3, an example structure of this charging device is that its housing 1 panel arranges the input socket box 2 of small gasoline alternating current generator and the input socket box 3 of electric main respectively, above each socket, correspondence is provided with indicator light T1 and T2, during generator powered, indicator light T1 is bright, when electric main is powered, indicator light T2 is bright, and the diverter switch K of housing 1 panel does corresponding selection simultaneously.Each composition of the first and second power transformers, the first rectification circuit ZL1 and the second rectification circuit ZL2, the first capacitor energy and the second capacitor energy and aforesaid charge-discharge control circuit is set in housing 1.The panel of housing 1 arranges DC ammeter, the D.C. voltmeter of charging positive and negative electrode lead-out terminal and display charging current and voltage.
Can also arrange over-voltage over-current protection circuit of the prior art in the housing of this charging device so that intelligent control circuit etc., these circuit can combine with the present invention.
Claims (3)
1. pure electric automobile Vehicular accumulator cell charging device, comprise housing, power transformer in housing and rectification circuit, it is characterized in that: pure electric automobile is provided with small gasoline alternating current generator, its output is connected to the first power transformer, the second source transformer that input is connected to civil power is also provided with in housing, described first, second source transformer secondary output is connected to diverter switch, the handle of diverter switch is arranged at surface of shell, described diverter switch selects the AC power exported to be connected to the first rectification circuit and the second rectification circuit, first rectification circuit output end is provided with time relay coil and current-limiting resistance time delayed turn-off current-limiting circuit in series, the normally-closed contact of the described time relay is parallel to this current-limiting circuit two ends, second rectification circuit is connected to and is provided with the adjustable ultralow-frequency oscillator power end of pulse duty factor, ultralow-frequency oscillator output is connected to relay drive circuit input, relay drive circuit output is connected to the first control relay J1 coil and the second control relay J2 coil, wherein a normally opened contact of the first control relay J1 is connected between the first capacitor energy charging input end and time delayed turn-off current-limiting circuit, in one normally-closed contact of the first control relay J1 and time delayed turn-off current-limiting circuit, one of the time relay often opens electric shock and is connected in series in the first capacitor energy electric discharge output, one normally-closed contact of the second control relay J2 is connected between the second capacitor energy charging input end and time delayed turn-off current-limiting circuit, one normally opened contact of the second control relay J2 is connected in series in the second capacitor energy electric discharge output, described first, second capacitor energy is made up of ultracapacitor connection in series-parallel, described first, second capacitor energy electric discharge output is connected to the charging positive output terminals of housing.
2. Vehicular accumulator cell charging device according to claim 1, is characterized in that: charging input end and the electric discharge output of first, second capacitor energy described are respectively equipped with isolating diode.
3. Vehicular accumulator cell charging device according to claim 1, is characterized in that: the frequency of oscillation of described ultra-low frequency oscillation circuit is 1-3HZ, pulse duty factor 0.6-0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455293.2A CN104242391A (en) | 2014-09-09 | 2014-09-09 | Battery-electric-vehicle-mounted storage battery charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455293.2A CN104242391A (en) | 2014-09-09 | 2014-09-09 | Battery-electric-vehicle-mounted storage battery charging device |
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| CN104242391A true CN104242391A (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410455293.2A Pending CN104242391A (en) | 2014-09-09 | 2014-09-09 | Battery-electric-vehicle-mounted storage battery charging device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659889A (en) * | 2015-03-03 | 2015-05-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Vehicle-mounted electric vehicle rechargeable emergency rescue vehicle based on shaft power-take-off generator as well as working method of rechargeable vehicle |
| CN108494077A (en) * | 2018-04-20 | 2018-09-04 | 国网湖北省电力有限公司孝感供电公司 | A kind of Multifunctional portable power source device and its operating method for optical fiber splicer |
| CN109969228A (en) * | 2019-04-25 | 2019-07-05 | 上海工程技术大学 | A piezoelectric energy self-powered rail vehicle bearing monitoring device |
| CN120558346A (en) * | 2025-07-30 | 2025-08-29 | 杭州先锋电子技术股份有限公司 | A mains intrinsically safe explosion-proof ultrasonic intelligent gas meter and control method |
-
2014
- 2014-09-09 CN CN201410455293.2A patent/CN104242391A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659889A (en) * | 2015-03-03 | 2015-05-27 | 国网电力科学研究院武汉南瑞有限责任公司 | Vehicle-mounted electric vehicle rechargeable emergency rescue vehicle based on shaft power-take-off generator as well as working method of rechargeable vehicle |
| CN108494077A (en) * | 2018-04-20 | 2018-09-04 | 国网湖北省电力有限公司孝感供电公司 | A kind of Multifunctional portable power source device and its operating method for optical fiber splicer |
| CN109969228A (en) * | 2019-04-25 | 2019-07-05 | 上海工程技术大学 | A piezoelectric energy self-powered rail vehicle bearing monitoring device |
| CN109969228B (en) * | 2019-04-25 | 2024-05-31 | 上海工程技术大学 | Self-powered railway vehicle bearing monitoring device with piezoelectric energy |
| CN120558346A (en) * | 2025-07-30 | 2025-08-29 | 杭州先锋电子技术股份有限公司 | A mains intrinsically safe explosion-proof ultrasonic intelligent gas meter and control method |
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Application publication date: 20141224 |