CN102288847B - The analog of a kind of working characteristic of charging post and method - Google Patents
The analog of a kind of working characteristic of charging post and method Download PDFInfo
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- CN102288847B CN102288847B CN201110161988.6A CN201110161988A CN102288847B CN 102288847 B CN102288847 B CN 102288847B CN 201110161988 A CN201110161988 A CN 201110161988A CN 102288847 B CN102288847 B CN 102288847B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000002085 persistent effect Effects 0.000 claims description 7
- 238000011017 operating method Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000013459 approach Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Abstract
The analog of a kind of working characteristic of charging post and method, be provided with virtual load power source and analog control system；Being provided with voltage source and current source in described virtual load power source, the positive pole of described voltage source is connected with the voltage end of the power supply interface of charging pile, and the negative pole of described voltage source is connected with the voltage end of the charging inlet of charging pile；The positive pole of described current source is connected with the current terminal of the power supply interface of charging pile, and the negative pole of described current source is connected with the current terminal of the charging inlet of charging pile；Described analog control system controls the output characteristics of virtual load power source by the feature of charging pile output electric current, and complete analog charge stake is in the real work state of actual charging process.The present invention is the approach that laboratory is charged that the various tests of stake are provided convenience.
Description
[technical field]
The present invention relates to charging pile, especially the analog of working characteristic of charging post and method.
[background technology]
For the situation that reply oil is the most in short supply, various countries have released one after another what multinomial promotion electric motor car developed
Policy, various electric vehicles also emerge rapidly in large numbersBamboo shoots after a spring rain as release one after another.But, the using and pushing away of electric vehicle
Being not only extensively to produce electric motor car to sell in consumer's hands so simple, the development of electric motor car is one
Great system engineering, including production, car load and the accessory maintenance of electric motor car, supporting charging engineering,
The recovery of battery, the training of user, part standard sequence etc. aspect, the most supporting battery charger
Journey is a requisite support system, and the gas station being similar to conventional gasoline car is the same, is whole
The requisite important component part of traffic operation system.The charging engineering of charging pile is the completeest at present
Kind, due to charging pile all faced by environment be considerably complicated, such as under EMC environment, overvoltage
Under-voltage environment, excessively stream undercurrent environment etc., therefore before charging pile formally puts goods on the market, generally require
Testing the charge characteristic of charging pile at laboratory, this is accomplished by a kind of charging pile that is suitable for and works special
The analog of property and method.
[summary of the invention]
The simulation dress that a kind of working characteristic of charging post is provided of one of the technical problem to be solved
Putting, filled up the blank of prior art, the various tests being charged stake for laboratory are provided convenience
Approach.
The two of the technical problem to be solved are to provide the simulation side of a kind of working characteristic of charging post
Method, has filled up the blank of prior art, and the various tests being charged stake for laboratory are provided convenience
Approach.
For solving one of above-mentioned technical problem, the technical scheme is that a kind of charging pile work spy
The analog of property, including
Virtual load power source, is provided with voltage source and current source in described virtual load power source, described
The positive pole of voltage source is connected with the voltage end of the power supply interface of charging pile, the negative pole of described voltage source with fill
The voltage end of the charging inlet of electricity stake connects；The positive pole of described current source and the power supply interface of charging pile
Current terminal connects, and the negative pole of described current source is connected with the current terminal of the charging inlet of charging pile；
Analog control system, described analog control system is by each point on charging pile output current curve
Size of current and the electric current output of persistent period regulation virtual load power source, complete analog charge stake
Real work state in actual charging process.
Virtual load power source is used for the detection of Application of Power Metering Instruments.Common virtual load power source
Electric current is the same circuit with voltage output, and real output is equal to the vector multiplications of voltage and electric current,
Therefore the electric energy expended in the detection of Application of Power Metering Instruments is big.And the current source of virtual load power source
Being separate with voltage source, voltage source is added in the two ends of load, and current source provides virtual load power source
With the electric current on load link circuit, owing to voltage and electric current are the most independent loops, the reality of load
Border power consumption is not the vector multiplications of magnitude of voltage and current value, but voltage source each exports with current source
The sum of power, therefore uses virtual load power source can save in a large number in the detection of Application of Power Metering Instruments
Electric energy.
For solving above-mentioned technical problem, the two of technical scheme are a kind of working characteristic of charging posts
Analogy method, be provided with virtual load power source and analog control system；Described virtual load power source
Inside it is provided with the voltage end of voltage source and current source, the positive pole of described voltage source and the power supply interface of charging pile
Connecting, the negative pole of described voltage source is connected with the voltage end of the charging inlet of charging pile；Described current source
Positive pole be connected with the current terminal of the power supply interface of charging pile, the negative pole of described current source and charging pile
The current terminal of charging inlet connects；Described analog control system is by each on charging pile output current curve
The size of current of point and the electric current output of persistent period regulation virtual load power source, its concrete behaviour
Make step as follows:
(1) analog control system obtains battery charging curve；
(2) by analyzing the power of each point on inquiry charging curve；
(3) the output electric current of charging pile it is converted to；
(4) battery charging curve is fitted to charging pile output current curve；
(5) finally adjust according to size of current and the persistent period of each point on charging pile output current curve
The electric current output of joint virtual load power source, complete analog charge stake is in the true work of actual charging process
Make state.
Virtual load power source is used to replace traditional real load to be connected with charging pile, virtual load merit
The rate source power supply simultaneously as charging pile and the dummy load of charging pile, therefore, change virtual
The output characteristics in load power source, gets final product the various duties of analog charge stake.Such as: change void
Intend the harmonic content in load power source, can analog charge stake duty under various harmonic environments；
Change the voltage x current output of virtual load power source, get final product analog charge stake under-voltage deficient at over-voltage and over-current
Duty under the environment such as stream.
The present invention is compared with prior art had the benefit that
Present invention can apply to charging pile detection, the various testing experiment of charging pile, charging pile examination etc.,
The development of ev industry current for China is of great importance；Can be with the various charging of analog charge stake
Environment, is charged, for laboratory, the approach that the various tests of stake are provided convenience.
[accompanying drawing explanation]
Fig. 1 is apparatus of the present invention framework.
Fig. 2 is by the conversion figure of battery charging curve to electric current curve of output.
Fig. 3 is virtual load power source internal structure schematic diagram.
[detailed description of the invention]
Below in conjunction with Figure of description, the present invention will be further described.
As shown in Figure 1,3, the analog of a kind of working characteristic of charging post, including virtual load power
Source and analog control system.Voltage source and current source, described electricity it is provided with in described virtual load power source
The positive pole of potential source is connected with the voltage end of the power supply interface of charging pile, the negative pole of described voltage source and charging
The voltage end of the charging inlet of stake connects；The positive pole of described current source and the electricity of the power supply interface of charging pile
Stream end connects, and the negative pole of described current source is connected with the current terminal of the charging inlet of charging pile.Described mould
Intend control system and controlled the output characteristics of virtual load power source by the feature of charging pile output electric current,
Analog charge stake completely, in the real work state of actual charging process, is realized by software.
The concrete operation step of the simulation invention of working characteristic of charging post is as follows:
(1) analog control system obtains battery charging curve；
(2) by analyzing the power of each point on inquiry charging curve；
(3) the output electric current of charging pile it is converted to；
(4) as in figure 2 it is shown, battery charging curve to be fitted to charging pile output current curve；
(5) finally adjust according to size of current and the persistent period of each point on charging pile output current curve
The electric current output of joint virtual load power source, complete analog charge stake is in the true work of actual charging process
Make state.
Virtual load power source is used for the detection of Application of Power Metering Instruments.Common virtual load power source
Electric current is the same circuit with voltage output, and real output is equal to the vector multiplications of voltage and electric current,
Therefore the electric energy expended in the detection of Application of Power Metering Instruments is big.And the current source of virtual load power source
Being separate with voltage source, voltage source is added in the two ends of load, and current source provides virtual load power source
With the electric current on load link circuit, owing to voltage and electric current are the most independent loops, the reality of load
Border power consumption is not the vector multiplications of magnitude of voltage and current value, but voltage source each exports with current source
The sum of power, therefore uses virtual load power source can save in a large number in the detection of Application of Power Metering Instruments
Electric energy.
Virtual load power source is used to replace traditional real load to be connected with charging pile, virtual load merit
The rate source power supply simultaneously as charging pile and the dummy load of charging pile, as it is shown on figure 3, empty
Intend the voltage source power supply as charging pile in load power source, by charging pile and virtual load power
Source connects into loop, and the rated voltage adding charging pile between U+ and U-is powered for charging pile, I+ with
Being the link circuit of charging pile and virtual load power source between I-, the current source of virtual load power source carries
For loop current.Therefore, by changing the output characteristics of virtual load power source, analog charge is got final product
The various duties of stake.Such as: change the harmonic content of virtual load power source, can simulate and fill
Electricity stake duty under various harmonic environments；Change the voltage x current output of virtual load power source,
Can analog charge stake duty under the environment such as the under-voltage undercurrent of over-voltage and over-current.
Present invention can apply to charging pile detection, the various testing experiment of charging pile, charging pile examination etc.,
The development of ev industry current for China is of great importance；Can be with the various charging of analog charge stake
Environment, is charged, for laboratory, the approach that the various tests of stake are provided convenience.
Claims (2)
1. the analog of a working characteristic of charging post, it is characterised in that: include
Virtual load power source, is provided with voltage source and current source in described virtual load power source, the positive pole of described voltage source is connected with the voltage end of the power supply interface of charging pile, and the negative pole of described voltage source is connected with the voltage end of the charging inlet of charging pile；The positive pole of described current source is connected with the current terminal of the power supply interface of charging pile, and the negative pole of described current source is connected with the current terminal of the charging inlet of charging pile；
Analog control system, described analog control system is exported by the size of current of each point on charging pile output current curve and the electric current of persistent period regulation virtual load power source, and complete analog charge stake is in the real work state of actual charging process.
2. the analogy method of a working characteristic of charging post, it is characterised in that: it is provided with virtual load power source and analog control system；
Being provided with voltage source and current source in described virtual load power source, the positive pole of described voltage source is connected with the voltage end of the power supply interface of charging pile, and the negative pole of described voltage source is connected with the voltage end of the charging inlet of charging pile；The positive pole of described current source is connected with the current terminal of the power supply interface of charging pile, and the negative pole of described current source is connected with the current terminal of the charging inlet of charging pile；
Described analog control system is exported by the size of current of each point on charging pile output current curve and the electric current of persistent period regulation virtual load power source, and its concrete operating procedure is as follows:
(1) analog control system obtains battery charging curve；
(2) by analyzing the power of each point on inquiry charging curve；
(3) the output electric current of charging pile it is converted to；
(4) battery charging curve is fitted to charging pile output current curve；
(5) finally exporting according to the size of current of each point on charging pile output current curve and the electric current of persistent period regulation virtual load power source, complete analog charge stake is in the real work state of actual charging process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110161988.6A CN102288847B (en) | 2011-06-16 | The analog of a kind of working characteristic of charging post and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110161988.6A CN102288847B (en) | 2011-06-16 | The analog of a kind of working characteristic of charging post and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102288847A CN102288847A (en) | 2011-12-21 |
| CN102288847B true CN102288847B (en) | 2016-11-30 |
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Citations (7)
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| US5406217A (en) * | 1991-07-26 | 1995-04-11 | Hewlett-Packard Company | Method of measuring the current-voltage characteristics of a DUT |
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| CN1847865A (en) * | 2006-03-16 | 2006-10-18 | 西安爱科电子有限责任公司 | Energy feedback type AC/DC electronic load simulator |
| CN101963640A (en) * | 2010-10-26 | 2011-02-02 | 深圳市科陆电子科技股份有限公司 | Detection system and detection method of direct-current charging post |
| CN102004200A (en) * | 2010-10-26 | 2011-04-06 | 深圳市科陆电子科技股份有限公司 | Vehicle-mounted filed test device and method of alternating current charging pile |
| CN102043105A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Full-function test device and test method of AC (alternating current) charging pile |
| CN102043106A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Direct current charging pile field detection system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406217A (en) * | 1991-07-26 | 1995-04-11 | Hewlett-Packard Company | Method of measuring the current-voltage characteristics of a DUT |
| CN1838507A (en) * | 2005-03-24 | 2006-09-27 | 林暐宏 | Program-controlled universal charging device and charging method thereof |
| CN1847865A (en) * | 2006-03-16 | 2006-10-18 | 西安爱科电子有限责任公司 | Energy feedback type AC/DC electronic load simulator |
| CN101963640A (en) * | 2010-10-26 | 2011-02-02 | 深圳市科陆电子科技股份有限公司 | Detection system and detection method of direct-current charging post |
| CN102004200A (en) * | 2010-10-26 | 2011-04-06 | 深圳市科陆电子科技股份有限公司 | Vehicle-mounted filed test device and method of alternating current charging pile |
| CN102043105A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Full-function test device and test method of AC (alternating current) charging pile |
| CN102043106A (en) * | 2010-10-26 | 2011-05-04 | 深圳市科陆电子科技股份有限公司 | Direct current charging pile field detection system and method |
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| 电动汽车充电桩的控制系统研究与设计;王涛等;《湖北电力》;20110228;第35卷(第1期);11-12 * |
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