CN203117311U - Electric automobile non-vehicle charger energy efficiency test system - Google Patents
Electric automobile non-vehicle charger energy efficiency test system Download PDFInfo
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- CN203117311U CN203117311U CN 201220726849 CN201220726849U CN203117311U CN 203117311 U CN203117311 U CN 203117311U CN 201220726849 CN201220726849 CN 201220726849 CN 201220726849 U CN201220726849 U CN 201220726849U CN 203117311 U CN203117311 U CN 203117311U
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 238000004088 simulation Methods 0.000 claims description 5
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- 238000001914 filtration Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model provides an electric automobile non-vehicle charger energy efficiency test system. The electric automobile non-vehicle charger energy efficiency test system comprises an adjustable alternating current power source, a non-vehicle charger, a power analyzer, a industrial control computer and a load, wherein the adjustable alternating current power source, the non-vehicle charger and the load are connected in order, and the adjustable alternating current power source and the load are respectively connected with the industrial control computer through the power analyzer. The electric automobile non-vehicle charger energy efficiency test system can improve a technology level of a test, work efficiency and test accuracy and has great importance in analyzing energy efficiency characteristics of the charger and influence of the charger on a storage battery.
Description
Technical field
The utility model belongs to the Modern Transportation Technology field, is specifically related to the non-vehicle-mounted charge function of a kind of electric automobile and imitates test macro.
Background technology
Under the situations that traditional fossil fuel is petered out and automobile exhaust pollution is serious day by day such as oil, rock gas, the Chinese government and each big motor corporation, scientific research institutions etc. have all strengthened the R﹠D intensity of electric automobile.Every profession and trade is all actively developed the pilot building-up work that electric automobile and alternating-current charging pile, direct current fill infrastructure such as electrical changing station.The electric automobile pilot construction project of Public Service Field such as taxi, environmental sanitation car, bus is carried out rapidly, expect about 2015, can build up in 20 above Model Cities and neighboring area by 400,000 charging piles, 2000 and fill the networked power supply system that electrical changing station constitutes, satisfy electric automobile large-scale commercial applications demonstration energy resource supply demand.
Non-vehicle-mounted charge machine is the nucleus equipment of charging station, and it adopts conduction pattern that grid alternating current can be converted to direct current energy, is charging electric vehicle.Non-vehicle-mounted charge machine charging current is bigger, can produce power distribution network during charging and impact.So non-vehicle-mounted charge machine need both satisfy the requirement of electric automobile high-level efficiency, low cost operation, need to satisfy the security of national grid system and the requirement of stability again, therefore performance parameter and the characteristic to non-vehicle-mounted charge machine is necessary to carry out comprehensive comprehensively efficiency test very much.And traditional method of testing is generally manual mode, use existing many platform independent testing tool to use respectively according to each test index, three-phase multifunctional standard scale, power quality analyzer, oscillograph, digital multimeter, clamp on amperemeter etc. are arranged, shortcoming such as this method of testing has that the test job amount is big, efficient is lower, deficient function, test event are imperfect.
The utility model content
In order to overcome above-mentioned the deficiencies in the prior art, the utility model provides the non-vehicle-mounted charge function of a kind of electric automobile to imitate test macro, can improve technical merit, work efficiency and the test accuracy of test, significant to the influence of accumulator for energetic efficiency characteristic and the charging set of analyzing charging set.
To achieve these goals, the utility model is taked following scheme:
Provide the non-vehicle-mounted charge function of a kind of electric automobile to imitate test macro, described system comprises adjustable ac source, non-vehicle-mounted charge machine, power analyzer, industrial computer and load; Adjustable ac source, non-vehicle-mounted charge machine are connected successively with load, and described adjusting adjustable ac source is connected industrial computer by described power analyzer respectively with load; The model of described power analyzer is 3390.
The interchange side item argument of described adjustable ac source correspondence comprises alternating voltage, electric current, power factor harmonic wave, electric power and electric weight.
The load-side item argument of described load correspondence comprises DC voltage, electric current, electric power, ripple and electric weight.
Described non-vehicle-mounted charge machine comprises the uncontrollable rectifier bridge of three-phase, filter inductance and DC-DC power converter; The uncontrollable rectifier bridge of described three-phase is connected with the DC-DC power converter by filter inductance.
Described load is the DC electronic load, described DC electronic load is by imitated storage battery constant voltage mode or constant current mode, the situation of change of DC electronic load during with the simulation charging electric vehicle, the electric current of adjusting described power analyzer according to different situations drops into the loop, the corresponding resistor that connects the DC electronic load, and the impedance that makes the DC electronic load keeps stablizing constant, thereby adjusts the current value of non-vehicle-mounted charge machine indirectly.
Compared with prior art, the beneficial effects of the utility model are:
1, integrated application Electric Measurement Technology, computer communication technology etc., improve efficient and the accuracy of the test job of charging electric vehicle energy efficiency of equipment, solved in the past the charging electric vehicle function imitate in the test process amount of test data big, rely on handle by hand, work is loaded down with trivial details, accuracy of measurement is low and can not real-time Transmission etc. realistic problem.
2, pay close attention to the efficiency test of the non-vehicle-mounted charge machine of electric automobile, AC power provides different voltages for charging set, the various situations of change of accumulator resistance have solved the problem in each stage when the analog charge machine charges to Vehicular accumulator cell fully in the past when utilizing DC load to realize charged states such as the constant current of analog charge machine, constant voltage.
3, can be according to GB/T19826-2005 " electric power engineering DC power supply Device-General technical conditions and safety requirements ", NB/T33001-2010 countries such as " the non-vehicle-mounted conduction-type charging set technical conditions of electric automobile " and the desired project of industry standard are carried out comprehensive comprehensively test to non-vehicle-mounted charge machine, can satisfy the test request of the non-vehicle-mounted charge machine of large, medium and small type.
Description of drawings
Fig. 1 is that the non-vehicle-mounted charge function of electric automobile is imitated test system structure figure;
Fig. 2 is non-vehicle-mounted charge machine structure principle chart;
Fig. 3 is DC electronic load simulation constant current mode synoptic diagram;
Fig. 4 is DC electronic load simulation constant voltage mode synoptic diagram.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
As Fig. 1, provide the non-vehicle-mounted charge function of a kind of electric automobile to imitate test macro, described system comprises adjustable ac source, non-vehicle-mounted charge machine, power analyzer, industrial computer and load; Adjustable ac source, non-vehicle-mounted charge machine are connected successively with load, and described adjusting adjustable ac source is connected industrial computer by described power analyzer respectively with load; The model of described power analyzer is 3390.
Regulate adjustable ac source, output AC power source is given described non-vehicle-mounted charge machine, described non-vehicle-mounted charge machine connects load, described power analyzer is gathered the interchange side item argument of adjustable ac source side, gather the load-side item argument of non-vehicle-mounted charge machine output simultaneously, and the data in real time of gathering is transferred to described industrial computer.
The interchange side item argument of described adjustable ac source correspondence comprises alternating voltage, electric current, power factor harmonic wave, electric power and electric weight.
The load-side item argument of described load correspondence comprises DC voltage, electric current, electric power, ripple and electric weight.
As Fig. 2, described non-vehicle-mounted charge machine comprises the uncontrollable rectifier bridge of three-phase, filter inductance and DC-DC power converter; The uncontrollable rectifier bridge of described three-phase is connected with the DC-DC power converter by filter inductance.The three-phase alternating current input becomes direct current by the uncontrollable rectifier bridge rectification of three-phase, offers the DC-DC power converter with the direct current that output needs after filter inductance filtering, charges to accumulator of electric car after the filtering again.
In rectification circuit, when certain a pair of diode current flow, output dc voltage equals to exchange one maximum in the side line voltage, and line voltage is also powered to the DC-DC power converter both to capacitances to supply power.When not having diode current flow, to the discharge of DC-DC power converter, series inductance is used for suppressing dash current by electric capacity.
The DC-DC power converter adopts high-frequency isolation formula DC-DC transducer, and the voltage that each switching tube bears is less, 4 IGBT, T
1And T
4Be one group, T
2And T
3Be one group, every half period alternate conduction once.Work as T
1, T
4During conducting, diode D
12Conducting, and magnetize for the output terminal inductance, work as T
2, T
3Conducting, diode D
11Conducting magnetizes for the output terminal inductance.When all switches all turn-off, D
11, D
12Afterflow.
The data computation analysis of described industrial computer to receiving obtains conversion efficiency, ripple factor, the precision of voltage regulation, precision of steady current and charging curve.
Described load is the DC electronic load, described DC electronic load is by imitated storage battery constant voltage mode or constant current mode, the situation of change of DC electronic load during with the simulation charging electric vehicle, the electric current of adjusting described power analyzer according to different situations drops into the loop, the corresponding resistor that connects the DC electronic load, and the impedance that makes the DC electronic load keeps stablizing constant, thereby adjusts the current value of non-vehicle-mounted charge machine indirectly.
(1) constant current mode
As Fig. 3, given signal V
REFIf R goes up voltage less than V
REF, namely OP-IN is less than+IN, OP exports increase, makes Q strengthen conducting, the last electric current increasing of R.If the last voltage of R is greater than V
REFThe time ,-IN is greater than+IN, and OP reduces output, the last electric current increase of R, input current can be kept constantly like this, and circuit has been realized constant current work.
(2) constant voltage mode
As Fig. 4, the voltage on the metal-oxide-semiconductor Q is sent into+IN and set-point comparison after R2 and R3 dividing potential drop, and the variation of A point voltage can cause the R2 change in voltage, influences Q1 conducting degree by LM, makes the A point voltage constant.
Should be noted that at last: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although with reference to above-described embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement embodiment of the present utility model, and do not break away from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. the non-vehicle-mounted charge function of electric automobile is imitated test macro, and it is characterized in that: described system comprises adjustable ac source, non-vehicle-mounted charge machine, power analyzer, industrial computer and load; Adjustable ac source, non-vehicle-mounted charge machine are connected successively with load, and described adjusting adjustable ac source is connected industrial computer by described power analyzer respectively with load; The model of described power analyzer is 3390.
2. the non-vehicle-mounted charge function of electric automobile according to claim 1 is imitated test macro, and it is characterized in that: the interchange side item argument of described adjustable ac source correspondence comprises alternating voltage, electric current, power factor harmonic wave, electric power and electric weight.
3. the non-vehicle-mounted charge function of electric automobile according to claim 1 is imitated test macro, and it is characterized in that: the load-side item argument of described load correspondence comprises DC voltage, electric current, electric power, ripple and electric weight.
4. the non-vehicle-mounted charge function of electric automobile according to claim 1 is imitated test macro, and it is characterized in that: described non-vehicle-mounted charge machine comprises the uncontrollable rectifier bridge of three-phase, filter inductance and DC-DC power converter; The uncontrollable rectifier bridge of described three-phase is connected with the DC-DC power converter by filter inductance.
5. the non-vehicle-mounted charge function of electric automobile according to claim 1 is imitated test macro, it is characterized in that: described load is the DC electronic load, described DC electronic load is by imitated storage battery constant voltage mode or constant current mode, the situation of change of DC electronic load during with the simulation charging electric vehicle, the electric current of adjusting described power analyzer according to different situations drops into the loop, the corresponding resistor that connects the DC electronic load, and the impedance that makes the DC electronic load keeps stablizing constant, thereby adjusts the current value of non-vehicle-mounted charge machine indirectly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726849 CN203117311U (en) | 2012-12-25 | 2012-12-25 | Electric automobile non-vehicle charger energy efficiency test system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220726849 CN203117311U (en) | 2012-12-25 | 2012-12-25 | Electric automobile non-vehicle charger energy efficiency test system |
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| Publication Number | Publication Date |
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| CN203117311U true CN203117311U (en) | 2013-08-07 |
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| CN 201220726849 Expired - Lifetime CN203117311U (en) | 2012-12-25 | 2012-12-25 | Electric automobile non-vehicle charger energy efficiency test system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486955A (en) * | 2015-12-25 | 2016-04-13 | 北京起重运输机械设计研究院 | Electric hoist energy efficiency test method and system |
| CN105548734A (en) * | 2015-08-18 | 2016-05-04 | 钱英 | Detection apparatus of off-board direct-current charger |
| CN106970263A (en) * | 2017-05-16 | 2017-07-21 | 国网江苏省电力公司电力科学研究院 | The efficiency metering system and metering method of a kind of electric vehicle alternating-current charging pile |
| CN107085139A (en) * | 2017-05-16 | 2017-08-22 | 国网江苏省电力公司电力科学研究院 | The efficiency metering system and metering method of a kind of electric automobile direct-current charging post |
| CN110726890A (en) * | 2019-10-09 | 2020-01-24 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Calibration method for direct-current charger of power plant |
| CN111458584A (en) * | 2020-04-16 | 2020-07-28 | 广东电网有限责任公司 | Automatic energy efficiency test platform and test method for power electronic equipment |
| CN112067932A (en) * | 2020-07-10 | 2020-12-11 | 上海钧正网络科技有限公司 | Charger detection system |
-
2012
- 2012-12-25 CN CN 201220726849 patent/CN203117311U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548734A (en) * | 2015-08-18 | 2016-05-04 | 钱英 | Detection apparatus of off-board direct-current charger |
| CN105486955A (en) * | 2015-12-25 | 2016-04-13 | 北京起重运输机械设计研究院 | Electric hoist energy efficiency test method and system |
| CN106970263A (en) * | 2017-05-16 | 2017-07-21 | 国网江苏省电力公司电力科学研究院 | The efficiency metering system and metering method of a kind of electric vehicle alternating-current charging pile |
| CN107085139A (en) * | 2017-05-16 | 2017-08-22 | 国网江苏省电力公司电力科学研究院 | The efficiency metering system and metering method of a kind of electric automobile direct-current charging post |
| CN110726890A (en) * | 2019-10-09 | 2020-01-24 | 中国大唐集团科学技术研究院有限公司火力发电技术研究院 | Calibration method for direct-current charger of power plant |
| CN111458584A (en) * | 2020-04-16 | 2020-07-28 | 广东电网有限责任公司 | Automatic energy efficiency test platform and test method for power electronic equipment |
| CN112067932A (en) * | 2020-07-10 | 2020-12-11 | 上海钧正网络科技有限公司 | Charger detection system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130807 |