CN108258763A - For adjusting output current error precision methods and charging pile - Google Patents
For adjusting output current error precision methods and charging pile Download PDFInfo
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- CN108258763A CN108258763A CN201810083654.3A CN201810083654A CN108258763A CN 108258763 A CN108258763 A CN 108258763A CN 201810083654 A CN201810083654 A CN 201810083654A CN 108258763 A CN108258763 A CN 108258763A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 12
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H02J7/0077—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- H02J7/0027—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to one kind for adjusting output current error precision methods and charging pile, this is used to adjust output current error precision methods, including：The output current of current output terminal is adapted to detect for, calculate actual output current and answers the current error value of output current；If current error value is more than default error range, output current is compensated；The present invention's can compensate output current for adjusting output current error precision methods and charging pile, to reduce output current error, and corresponding penalty coefficient is preserved respectively with reference to each section of output voltage, it carries out being directly loaded into corresponding penalty coefficient convenient for the later stage, and combining adaptive adjustment, the actual output current situation of power module is monitored, online updating is carried out to penalty coefficient.
Description
Technical field
The present invention is derived from split type DC charging motor test process is carried out, and needs to simulate the vehicle of different capacity demand
When starting charging pile, the intelligent power that split type DC charging motor is done distributes.
Background technology
The off-board conduction-type charger technical conditions 6.8.5 regulations of NBT-33001-2016 electric vehicles, in constant current state
Under, output DC current is set in the range of the 20%~100% of rated value, is more than or equal in the output DC current of setting
During 30A, output current set error is not to be exceeded ± 1%；When the output DC current of setting is less than 30A, output current is whole
Determine error and ± 0.3A is not to be exceeded.
As the whole world is energy saving and the continuous enhancing of environmental consciousness, the ev industry of new energy field rapidly develops.With
It country to widely popularize electric vehicle, the usage amount of electric vehicle increases on a large scale, causes on the market to charging
The demand of stake also is being stepped up also gradually bringing into schedule with the demand of charging rate, therefore has derived split type direct current gradually and filled
Motor.But the power of current charging pile the more does the more big, and module performance determines precision of steady current error.Individual module is steady in the market
Stream precision meets the standard, but becoming larger with power, the increase of module, error are also exaggerated.In module current stabilization
In the case that precision can not further improve, need to export it and compensate.
Invention content
The object of the present invention is to provide one kind for adjusting output current error precision methods and charging pile.
In order to solve the above technical problem, the present invention provides a kind of for adjusting output current error precision methods, wraps
The output current for being adapted to detect for current output terminal is included, calculate actual output current and answers the current error value of output current；It is if electric
When stream error value is more than default error range, then output current is compensated.
Further, it is described to include for adjusting output current error precision methods：
Main control module, power module and ammeter, wherein
The power module is suitable for exporting the electric current, and the ammeter is suitable for measuring output current；
The main control module is suitable for reading the actual current value of ammeter detection, and obtain current module should export electricity
Stream, to calculate the current error value；
The main control module is suitable for determining corresponding penalty coefficient according to current error value, to adjust power module adjustment electricity
Stream output, makes the current error value after adjustment in the error range.
Further, the main control module is suitable for record and the corresponding compensation system of power module voltage in several modes range
Number；And penalty coefficient is directly loaded into according to the output voltage range of current power module, the output current of power module is controlled
System.
Further, it is 5 sections that the output voltage range, which is suitable for 300~750V points, i.e.,
300~350V, 350~450V, 450~550V, 550~650V, 650~750V.
Further, after penalty coefficient is directly loaded into, main control module is suitable for the actual current value that low frequency reads ammeter detection,
And calculate the current error value；
If the current error value increase, new penalty coefficient is determined according to current flow error amount, adjusts power supply mould
Block adjustment electric current output, so that the current error value after adjustment is in the error range；
New penalty coefficient is stored simultaneously.
Further, it is 1% to preset error range, i.e.,
Output current meets 1% precision of steady current.
Another aspect, the present invention also provides a kind of charging piles.
Above-mentioned charging pile includes：
Main control module, power module and ammeter, wherein
The power module is suitable for exporting the electric current, and the ammeter is suitable for measuring output current；
The main control module is suitable for reading the actual current value of ammeter detection, and obtain current module should export electricity
Stream, to calculate the current error value；
The main control module is suitable for determining corresponding penalty coefficient according to current error value, to adjust power module adjustment electricity
Stream output, makes the current error value after adjustment in the error range.
Further, the main control module is suitable for record and the corresponding compensation system of power module voltage in several modes range
Number；And penalty coefficient is directly loaded into according to the output voltage range of current power module, the output current of power module is controlled
System.
Further, it is 5 sections that the output voltage range, which is suitable for 300~750V points, i.e.,
300~350V, 350~450V, 450~550V, 550~650V, 650~750V.
Further, after penalty coefficient is directly loaded into, main control module is suitable for the actual current value that low frequency reads ammeter detection,
And calculate the current error value；
If the current error value increase, new penalty coefficient is determined according to current flow error amount, adjusts power supply mould
Block adjustment electric current output, so that the current error value after adjustment is in the error range；
New penalty coefficient is stored simultaneously.
The invention has the advantages that the present invention for adjusting output current error precision methods and charging pile can be right
Output current compensates, and to reduce output current error, and each section for combining output voltage is respectively to accordingly compensating
Number is preserved, and is carried out being directly loaded into corresponding penalty coefficient and combining adaptive adjustment convenient for the later stage, is monitored power module
Actual output current situation, to penalty coefficient carry out online updating.
Description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the functional block diagram of the charging pile of the present invention.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
Embodiment 1
One kind is present embodiments provided for adjusting output current error precision methods, is adapted to detect for the defeated of current output terminal
Go out electric current, calculate actual output current and answer the current error value of output current；If current error value is more than default error range
When, then output current is compensated.
Specifically, the functional block diagram of charging pile involved by the present embodiment is as shown in Figure 1, on the basis of charging pile, institute
It states and includes for adjusting output current error precision methods：Main control module, power module and ammeter, wherein the power module is fitted
In exporting the electric current, the ammeter is suitable for measuring output current；The main control module is suitable for reading ammeter detection
Actual current value, and obtain current module answers output current (feedback output current), to calculate the current error value；
The main control module is suitable for determining corresponding penalty coefficient according to current error value, to adjust power module adjustment electric current output,
Make the current error value after adjustment in the error range.
In the present embodiment, main control module may be used the industrial control board with embedded system and realize, ammeter can pass through
The such as, but not limited to modes such as serial ports, CAN bus carry out data transmission；Switching Power Supply may be used in the power module, wherein
By master control module controls, the main control module can be, but not limited to export corresponding CAN bus electricity switching tube in Switching Power Supply
Adjust instruction is flowed as compensating current control signal for adjusting the output of the electric current of power module, and order parameter can be according to phase
Penalty coefficient is answered to be adjusted.
The main control module is suitable for record and the corresponding penalty coefficient of power module voltage in several modes range；And according to
The output voltage range of current power module is directly loaded into penalty coefficient and the output current of power module is controlled.That is power supply
Module was often adjusted in a range intervals, and main control module will store corresponding penalty coefficient.It is output to voltage power supply area next time
Between (voltage range), can with direct compensation error current, avoid every time start be required for adjustment electric current, improve operational efficiency.
Specifically, in the present embodiment, 300~750V points can be 5 sections by the output voltage range, i.e., 300
~350V, 350~450V, 450~550V, 550~650V, 650~750V；200~1000v or higher can also be corresponded to,
This method is all suitable for.
Power module is replaced in view of transformation or to service life, even if having been compensated for overcurrent error, is being filled
Also the current value of ammeter acquisition and the feedback output current of power module can be read in electric process in real time, but frequency will be actively
It reduces.After finding that error becomes larger, it will be readjusted and store new penalty coefficient.The specific implementation process is as follows：Straight
After carrying penalty coefficient, main control module is suitable for low frequency and reads the actual current value of ammeter detection, and calculate the current error
Value；If the current error value increase, new penalty coefficient, adjustment power module adjustment are determined according to current flow error amount
Electric current exports, so that the current error value after adjustment is in the error range；New penalty coefficient is stored simultaneously.
Default error range is 1%, i.e. output current meets 1% precision of steady current.
Embodiment 2
As shown in Figure 1, on the basis of embodiment 1, the present embodiment 2 provides a kind of charging pile, including：Main control module, electricity
Source module, major loop and ammeter, wherein the power module is suitable for exporting the electric current by major loop, the ammeter suitable for pair
Output current measures；The main control module is suitable for reading the actual current value of ammeter detection, and obtains current module
Output current is answered, to calculate the current error value；The main control module is suitable for determining to mend accordingly according to current error value
Coefficient is repaid, to adjust power module adjustment electric current output, makes the current error value after adjustment in the error range.
The main control module is suitable for record and the corresponding penalty coefficient of power module voltage in several modes range；And according to
The output voltage range of current power module is directly loaded into penalty coefficient and the output current of power module is controlled.It is described defeated
Go out voltage range and be suitable for 300~750V point being 5 sections, i.e. 300~350V, 350~450V, 450~550V, 550~
650V, 650~750V.
After penalty coefficient is directly loaded into, main control module is suitable for low frequency and reads the actual current value of ammeter detection, and calculate
The current error value；If the current error value increase, new penalty coefficient is determined according to current flow error amount, is adjusted
Power module adjustment electric current output, so that the current error value after adjustment is in the error range；Simultaneously by new compensation system
Number is stored.
The present invention's can compensate output current for adjusting output current error precision methods and charging pile, with
Output current error is reduced, and each section for combining output voltage respectively preserves corresponding penalty coefficient, convenient for the later stage
It carries out being directly loaded into corresponding penalty coefficient and combining adaptive adjustment, monitors the actual output current situation of power module,
Online updating is carried out to penalty coefficient.
Using above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the content on specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. one kind is used to adjust output current error precision methods, which is characterized in that
The output current of current output terminal is adapted to detect for, calculate actual output current and answers the current error value of output current；
If current error value is more than default error range, output current is compensated.
2. according to claim 1 be used to adjust output current error precision methods, which is characterized in that
It is described to include for adjusting output current error precision methods：
Main control module, power module and ammeter, wherein
The power module is suitable for exporting the electric current, and the ammeter is suitable for measuring output current；
The main control module is suitable for reading the actual current value of ammeter detection, and obtain current module answers output current, with
Calculate the current error value；
The main control module is suitable for determining corresponding penalty coefficient according to current error value, defeated to adjust power module adjustment electric current
Go out, make the current error value after adjustment in the error range.
3. according to claim 2 be used to adjust output current error precision methods, which is characterized in that
The main control module is suitable for record and the corresponding penalty coefficient of power module voltage in several modes range；And according to current
The output voltage range of power module is directly loaded into penalty coefficient and the output current of power module is controlled.
4. according to claim 3 be used to adjust output current error precision methods, which is characterized in that
It is 5 sections that the output voltage range, which is suitable for 300~750V points, i.e.,
300~350V, 350~450V, 450~550V, 550~650V, 650~750V.
5. according to claim 3 or 4 for adjusting output current error precision methods, which is characterized in that
After penalty coefficient is directly loaded into, main control module is suitable for the actual current value that low frequency reads ammeter detection, and described in calculating
Current error value；
If the current error value increase, new penalty coefficient is determined according to current flow error amount, adjusts power module tune
Whole electric current output, so that the current error value after adjustment is in the error range；
New penalty coefficient is stored simultaneously.
6. it is used to adjust output current error precision methods according to claim 1-4 any one of them, which is characterized in that
Default error range is 1%, i.e.,
Output current meets 1% precision of steady current.
7. a kind of charging pile, which is characterized in that including：
Main control module, power module and ammeter, wherein
The power module is suitable for exporting the electric current, and the ammeter is suitable for measuring output current；
The main control module is suitable for reading the actual current value of ammeter detection, and obtain current module answers output current, with
Calculate the current error value；
The main control module is suitable for determining corresponding penalty coefficient according to current error value, defeated to adjust power module adjustment electric current
Go out, make the current error value after adjustment in the error range.
8. charging pile according to claim 7, which is characterized in that
The main control module is suitable for record and the corresponding penalty coefficient of power module voltage in several modes range；And according to current
The output voltage range of power module is directly loaded into penalty coefficient and the output current of power module is controlled.
9. charging pile according to claim 8, which is characterized in that
It is 5 sections that the output voltage range, which is suitable for 300~750V points, i.e.,
300~350V, 350~450V, 450~550V, 550~650V, 650~750V.
10. according to the charging pile described in claim 8 or 9, which is characterized in that
After penalty coefficient is directly loaded into, main control module is suitable for the actual current value that low frequency reads ammeter detection, and described in calculating
Current error value；
If the current error value increase, new penalty coefficient is determined according to current flow error amount, adjusts power module tune
Whole electric current output, so that the current error value after adjustment is in the error range；
New penalty coefficient is stored simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083654.3A CN108258763A (en) | 2018-01-29 | 2018-01-29 | For adjusting output current error precision methods and charging pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810083654.3A CN108258763A (en) | 2018-01-29 | 2018-01-29 | For adjusting output current error precision methods and charging pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108258763A true CN108258763A (en) | 2018-07-06 |
Family
ID=62743332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810083654.3A Withdrawn CN108258763A (en) | 2018-01-29 | 2018-01-29 | For adjusting output current error precision methods and charging pile |
Country Status (1)
| Country | Link |
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| CN (1) | CN108258763A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466729A (en) * | 2021-06-22 | 2021-10-01 | 盛德东南(福建)新能源科技有限公司 | Insulation resistance detection method and system for lithium ion power storage battery |
| CN113815466A (en) * | 2021-11-03 | 2021-12-21 | 阳光电源股份有限公司 | Charging pile output control method and device |
| CN116317031A (en) * | 2023-05-17 | 2023-06-23 | 深圳源川智控技术有限公司 | Charging current adjusting method, device and equipment for battery-changing cabinet and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10248176A (en) * | 1997-02-28 | 1998-09-14 | Hitachi Koki Co Ltd | Battery charger |
| US6100667A (en) * | 1999-01-21 | 2000-08-08 | National Semiconductor Corporation | Current-to-voltage transition control of a battery charger |
| CN1815845A (en) * | 2005-02-01 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Battery charging current self-compensating gear of mobile communication terminal and compensating method thereof |
| CN1988314A (en) * | 2005-12-21 | 2007-06-27 | 三星Sdi株式会社 | Method for compensating state of charge of battery and battery management system using the same |
| CN106610685A (en) * | 2015-10-26 | 2017-05-03 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Method and device for adjusting output current of power source |
| CN107508335A (en) * | 2017-08-04 | 2017-12-22 | 北京新能源汽车股份有限公司 | Current limiting method and device of charging equipment |
-
2018
- 2018-01-29 CN CN201810083654.3A patent/CN108258763A/en not_active Withdrawn
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|---|---|---|---|---|
| JPH10248176A (en) * | 1997-02-28 | 1998-09-14 | Hitachi Koki Co Ltd | Battery charger |
| US6100667A (en) * | 1999-01-21 | 2000-08-08 | National Semiconductor Corporation | Current-to-voltage transition control of a battery charger |
| CN1815845A (en) * | 2005-02-01 | 2006-08-09 | 乐金电子(中国)研究开发中心有限公司 | Battery charging current self-compensating gear of mobile communication terminal and compensating method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466729A (en) * | 2021-06-22 | 2021-10-01 | 盛德东南(福建)新能源科技有限公司 | Insulation resistance detection method and system for lithium ion power storage battery |
| CN113815466A (en) * | 2021-11-03 | 2021-12-21 | 阳光电源股份有限公司 | Charging pile output control method and device |
| CN113815466B (en) * | 2021-11-03 | 2023-08-11 | 阳光电源股份有限公司 | Charging pile output control method and device |
| CN116317031A (en) * | 2023-05-17 | 2023-06-23 | 深圳源川智控技术有限公司 | Charging current adjusting method, device and equipment for battery-changing cabinet and storage medium |
| CN116317031B (en) * | 2023-05-17 | 2023-08-15 | 深圳源川智控技术有限公司 | Charging current adjusting method, device and equipment for battery-changing cabinet and storage medium |
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Application publication date: 20180706 |