CN205335935U - Adapt to distributed charging system's electric vehicle charger module and machine that charges - Google Patents
Adapt to distributed charging system's electric vehicle charger module and machine that charges Download PDFInfo
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- CN205335935U CN205335935U CN201620097032.2U CN201620097032U CN205335935U CN 205335935 U CN205335935 U CN 205335935U CN 201620097032 U CN201620097032 U CN 201620097032U CN 205335935 U CN205335935 U CN 205335935U
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Abstract
The utility model discloses an adapt to distributed charging system's electric vehicle charger module and machine that charges, include: three -phase AC input and filter circuit, the active power factor correction circuit of preceding stage, back level high -frequency rectifier circuit and rectification filtered output circuit be the series connection in proper order, and rectification filtered output circuit is connected with electric automobile charging circuit, a digital control circuit and the 2nd digital control circuit connection, a digital control circuit is connected respectively with rectification filtered output circuit, back level high -frequency rectifier circuit, a digital control circuit through the CAN order wire with fill electric pile and fill electronic control system and be connected. The utility model discloses beneficial effect: the machine that charges adopts digital control, and control mode is more nimble, can the fast adaptation fill the requirement of electric pile to the machine that charges. Multiple mode's control output is carried out through the instruction of receiving the can communication, the requirement of the distributed charging system of adaptation to the quick -witted module of charging can be satisfied.
Description
Technical field
This utility model relates to charging electric vehicle technical field, particularly relates to a kind of electric automobile battery charger module adapting to distributed charging system and charger。
Background technology
In recent years, China's charging infrastructure construction achieves certain achievement, have accumulated a large amount of experience。But in current electrically-charging equipment evolution, yet suffer from problems such as recognizing disunity, coordinated promotion difficulty is big, standard criterion is unsound。The second half year in 2015, country clearly proposes to the year two thousand twenty to complete to be the task object of the charging infrastructure of 5,000,000 corresponding scales of electric automobile auxiliary construction, for this, the charging standardization of infrastructure of the quickening whole nation, the unitized of policy could ensure smoothly completing of this task object。
At present, the electric automobile battery charger single-machine capacity being in operation is substantially all at below 15kw, and single-machine capacity cannot meet electric passenger vehicle automobile and the electric bus demand to high-power quick charge at all, and distributed charging system can solve this problem。As the electric energy Switching Core part of bottom, electric automobile battery charger is also required to adapt to distributed charging system；Because if using the words of distributed charging system, it is desirable to charge power is little to work to unit single pile, charge power arrives greatly multimachine many machine work。So the electric automobile battery charger that exploitation adapts to distributed DC charging system has very important significance。
Utility model content
In order to solve the problems referred to above, the utility model proposes a kind of electric automobile battery charger module adapting to distributed charging system and charger, adopting all-digitized demodulator, control mode is more flexible, can realize unit work, multimachine machine work, single pile multisequencing, many multisequencing modes etc.。
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of electric automobile battery charger module adapting to distributed charging system, including: the input of the first digital control circuit, the second digital control circuit, three-phase alternating current and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit；
The input of described three-phase alternating current and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit are sequentially connected in series, and described rectifying and wave-filtering output circuit is connected with charging electric vehicle circuit；Described first digital control circuit and the second digital control circuit connect, and the first digital control circuit is connected respectively with rectifying and wave-filtering output circuit, rear class high-frequency rectification circuit；Described first digital control circuit is connected with charging pile charge control system by CAN communication line。
DC voltage sample circuit and DC current sample circuit are set between described first digital control circuit and rectifying and wave-filtering output circuit；Input at described second digital control circuit and three-phase alternating current and between filter circuit, alternating voltage sampling circuit and alternating current sample circuit are set。
It is respectively provided with overvoltage crowbar and current foldback circuit between described prime APFC and rear class high-frequency rectification circuit。
Described three-phase alternating current input and filter circuit connection system accessory power supply is the first digital control circuit and the second digital control circuit is powered。
Further, a kind of charger of arbitrary electric automobile battery charger module composition, some electric automobile battery charger wired in parallel are connected on same output bus, the high and low level of the CAN communication line of described some electric automobile battery charger modules is respectively connected together, and the positive and negative output lead of some electric automobile battery charger modules is respectively connected together。
Further, the charger of a kind of arbitrary electric automobile battery charger module composition, some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively。
The high and low level of the CAN communication line of described some electric automobile battery charger modules is respectively connected together, and the positive and negative output lead of some electric automobile battery charger modules exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
Further, the charger of a kind of arbitrary electric automobile battery charger module composition, some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively；Some above-mentioned charging piles are connected in parallel, and are communicated by CAN communication line between the charge control system in each charging pile。
The high and low level of the CAN communication line of each described charge control system is respectively connected together, and the positive and negative output lead of some charging piles exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
The beneficial effects of the utility model:
Charger of the present utility model can be operated under unit work, multimachine machine work, single pile multisequencing and many multisequencing isotypes according to actual needs respectively, and the control output of multiple-working mode is carried out by receiving the instruction of can communication, it is possible to meet and adapt to the distributed charging system requirement to charger module。
Charger module adopts digital control, and control mode is more flexible, it is possible to rapidly adapt to the charging pile requirement to charger module。
Accompanying drawing explanation
Fig. 1 is charger modular structure schematic diagram；
Fig. 2 is multimachine machine charging structure schematic diagram；
Fig. 3 is single pile multimachine charging structure schematic diagram；
Fig. 4 is many multimachine charging structure schematic diagrams；
Fig. 5 is sharing control loop structure figure。
Detailed description of the invention:
Below in conjunction with accompanying drawing, this utility model is described in detail:
A kind of electric automobile battery charger module adapting to distributed charging system, as it is shown in figure 1, include: the input of the first digital control circuit, the second digital control circuit, three-phase alternating current and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit；
Three-phase alternating current input and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit are sequentially connected in series, and rectifying and wave-filtering output circuit is connected with charging electric vehicle circuit；First digital control circuit and the second digital control circuit connect, and the first digital control circuit is connected respectively with rectifying and wave-filtering output circuit, rear class high-frequency rectification circuit；First digital control circuit is connected with charging pile charge control system by CAN communication line。
Protection circuit is set between prime APFC and rear class high-frequency rectification circuit。Protection circuit is overvoltage crowbar and current foldback circuit, it is prevented that output voltage is too high or electric current is excessive burns out switching tube。
Three-phase alternating current input and filter circuit connection system accessory power supply is the first digital control circuit and the second digital control circuit is powered。System supplymentary power supply is to provide small power electric source signal for the control circuit of whole main power circuit, drive circuit, front end display circuit and communicating circuit etc.。
Above-mentioned overvoltage crowbar and current foldback circuit, and system supplymentary power supply all adopts existing structure, it is not necessary to improve。
Charger module master control controls to adopt digital DSP control structure, relative to simulation control, controls more flexible, more accurately。Charger module control principle figure is as it is shown in figure 1, AC signal that the main power topology of charger module of the present utility model comprises three-phase three-wire system is connected with charging electric vehicle circuit after sequentially passing through filter circuit, the APFC based on three-phase tri-level VIENNA circuit, the high-frequency rectification circuit based on full-bridge circuit and rectifying and wave-filtering output circuit。Weak current part comprises the sample circuit (alternating voltage sampling circuit of the auxiliary power circuit needed for system, desired signal; alternating current sample circuit; DC voltage sample circuit; DC current sample circuit etc.); protection circuit; the SCI communicating circuit of support module internal communication; the Can communicating circuit of the external communication of support module; and first digital control circuit and the second digital control circuit; the control chip of two digital governor circuits is all DSP, and in the present embodiment, selection model is the DSP control chip of TMS320F28035。Charger realizes the current-sharing work under constant current or constant voltage according to the first digital control circuit。
Three-phase alternating current inputs, and allows the accessory power supply of charger inside modules work。After charger module obtains the instruction of charging pile charge control system by external CAN communication circuit, charging instruction is delivered in the first digital control circuit, between the first digital control circuit and the second digital control circuit, also mutually transmit desired signal。Whole main power system is started working under the control of two governor circuits and finally output meets direct current output。The instruction of charging pile charge control system generally comprises charging pile required voltage current information etc.。Charging pile charge control system adopts original charging pile to control system and can realize, it is not necessary to additionally configure。
The circuit structures such as the three-phase alternating current input related in this utility model and filter circuit, prime APFC, rear class high-frequency rectification circuit, rectifying and wave-filtering output circuit, charging electric vehicle circuit, alternating voltage sampling circuit, alternating current sample circuit, DC voltage sample circuit, DC current sample circuit and protection circuit all adopt existing known circuit structure。
Alternatively embodiment, in order to meet distributed charging system just demand to the high-power quick charge of charger further, the utility model discloses several charger being made up of above-mentioned charger module。
Embodiment one:
As shown in Figure 2, some electric automobile battery charger wired in parallel are connected on same output bus, the high and low level of the CAN communication line of some electric automobile battery charger modules is respectively connected together, and the positive and negative output lead of some electric automobile battery charger modules is respectively connected together。Can_H and Can_L in Fig. 2 realizes current-sharing connection between charger module, and Vout+ and Vout-is the positive and negative output lead of charger module。Current-sharing is achieved in that digital current-sharing control, utilizes the current information of Can communication between every charger module to carry out corresponding current-sharing computing。Current-sharing calculating process adopts existing mode to realize。Flow equalizing function when charger module machine work is achieved, it is ensured that the heat effect of every charger module is basically identical by digital current-sharing。
Embodiment two:
Some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively。The high and low level of the CAN communication line of some electric automobile battery charger modules is respectively connected together, and the positive and negative output lead of some electric automobile battery charger modules exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
In a general monomer charging pile rare 2, or even tens charger modules the machine work up to several。Charging pile charge control system issues a command to every charger module in stake by under can communication。Every charger module is according to instruction works。During single pile work, connected mode between each charger module as it is shown on figure 3, realize multimachine Parallel Mode of Operation in single pile。
According to the charger module in communications protocol charging pile when can communication, there is unique group number。This group number is to be distributed to every charger by charging pile charge control system by can communication, and the group number of the charger within same charging pile is identical。When each stake works independently, the charger group number in same stake is identical, and the group number between stake and stake is different, and total back-end data so can be facilitated to process, and can be positioned the state of each charger clearly by group number and address。
Such as one has 4 charging piles, has 2 chargers in each charging pile, altogether 8 chargers, it is possible to definition, the address of these 8 chargers respectively 1#To 8#, the group number of each charging pile respectively 1#、2#、3#、4#。1#The group number of 2 chargers in charging pile is exactly 1#, 2#The group number of 2 chargers in charging pile is exactly 2#, other 3#、4#Charging pile is similar。Charger module in respective stake is controlled by the charging pile charge control system of every charging pile, and namely the output voltage of the charger module in 4 charging piles and electric current are separate, and simply the charger module in each stake carries out and machine work。
Fig. 3 show single pile charger structure chart, Can0_H and Can0_L shown in Fig. 3 is the connection realizing current-sharing in charger module and stake between connection and the charger module of charger control system, so just can realize assigning the charging instruction to charger module and also machine current-sharing communication between charger module by Can0_H and Can0_L。Charger is carry out current-sharing between the charger module that group number is identical when current-sharing。
Embodiment three:
Some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively；Some above-mentioned charging piles are connected in parallel, and are communicated by CAN communication line between the charge control system in each charging pile。The high and low level of the CAN communication line of each described charge control system is respectively connected together, and the positive and negative output lead of some charging piles exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
When single charging pile cannot meet high-power charging requirement, can pass through to carry out between k charging pile the mode of also machine, when k charging pile carries out also machine, all n chargers in each charging pile and n charger in other charging pile also necessarily carry out multimachine machine work, and namely k*n charger carries out multimachine machine work altogether。
Such as one has 4 charging piles, has 2 charger modules in each charging pile, altogether 8 charger modules, it is possible to definition, the address of these 8 charger modules respectively 1#To 8#, when being in many multisequencing patterns, the group number of these 8 charger modules is same group number, is set to 1#, namely 1#、2#、3#、4#The group number of all charger modules in charging pile is 1#, only needing to send instructions under the charging pile charge control system in a stake, 8 charger modules just can accept same charging instruction, because group number is all 1#, so being realize mutual current-sharing between these 8 charger modules, and it is that the charger module in same charging pile carries out current-sharing when difference and single pile multisequencing。
Fig. 4 show many multimachine charger structure charts, Can0_H and Can0_L is the connection that in charger module current-sharing connection and charging pile, charger controls system and charger module as shown in the figure, when Can1_H and Can1_L is charging pile machine work, charging pile controls system communication each other, by arranging many and machine pattern during charging, the group number that can realize 4 charging piles is consistent, each being handed down to the charger module in stake in turn, the group number thus achieving all 8 chargers is unanimously。
Further, by the charger of electric automobile battery charger module of the present utility model and composition thereof, it is possible to be operated in respectively according to actual needs under unit work, multimachine machine work, single pile multisequencing and four kinds of mode of operations of many multisequencing。
During the work of charger module unit, received the charging instruction of charging pile charge control system by CAN communication line, and charging instruction is delivered in the first digital control circuit。Charging pile charge control system adopts original charging pile to control system and can realize, it is not necessary to additionally configure。
When charger module multimachine machine work, the current information of Can communication between every charger module is utilized to carry out corresponding current-sharing computing；The current value I of charger module selfOAfter carrying out doing difference operation with average value current I, obtain the error amount (I of Finite AmplitudeO-I), error amount is ultimately sent in output DC voltage control loop, it is achieved the feedback control of current-sharing。Sharing control loop structure figure is as shown in Figure 5。As native module electric current IODuring less than average current I, error amount is negative, and at this moment final voltage set-point diminishes, output voltage step-down, and corresponding the machine output electric current will reduce, as native module electric current IODuring more than average current I, at this moment final voltage set-point becomes big, and output voltage becomes big, and corresponding the machine output electric current will become big, ceaselessly regulates by this principle, till the machine electric current and average current error amount are within the specific limits。
During charger module single pile multisequencing, identical group number, different addresses are set for the different chargers in same charging pile；The group number of the charger module in different charging piles is different；Charger charge control system in charging pile is by the state of group number and each charger module of address location；Charger charge control system issues a command to every charger in stake by under can communication；Meanwhile, sharing control is realized between the different charger modules in same charging pile。
During charger many multisequencing of module, identical group number, different addresses are set for the different chargers in all charging piles；Each charger module is all able to receive that the instruction that any one charger charge control system sends；Meanwhile, sharing control is realized between each the charger module in all charging piles。
Detailed description of the invention of the present utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model。
Claims (9)
1. the electric automobile battery charger module adapting to distributed charging system, it is characterized in that, including: the input of the first digital control circuit, the second digital control circuit, three-phase alternating current and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit；
The input of described three-phase alternating current and filter circuit, prime APFC, rear class high-frequency rectification circuit and rectifying and wave-filtering output circuit are sequentially connected in series, and described rectifying and wave-filtering output circuit is connected with charging electric vehicle circuit；Described first digital control circuit and the second digital control circuit connect, and the first digital control circuit is connected respectively with rectifying and wave-filtering output circuit, rear class high-frequency rectification circuit；Described first digital control circuit is connected with charging pile charge control system by CAN communication line。
2. a kind of electric automobile battery charger module adapting to distributed charging system as claimed in claim 1, is characterized in that, arrange DC voltage sample circuit and DC current sample circuit between described first digital control circuit and rectifying and wave-filtering output circuit；Input at described second digital control circuit and three-phase alternating current and between filter circuit, alternating voltage sampling circuit and alternating current sample circuit are set。
3. a kind of electric automobile battery charger module adapting to distributed charging system as claimed in claim 1, is characterized in that, be respectively provided with overvoltage crowbar and current foldback circuit between described prime APFC and rear class high-frequency rectification circuit。
4. a kind of electric automobile battery charger module adapting to distributed charging system as claimed in claim 1, is characterized in that, described three-phase alternating current input and filter circuit connection system accessory power supply is the first digital control circuit and the second digital control circuit is powered。
5. the charger adopting the arbitrary described electric automobile battery charger module composition of claim 1-4, it is characterized in that, some electric automobile battery charger wired in parallel are connected on same output bus, the high and low level of the CAN communication line of described some electric automobile battery charger modules is respectively connected together, and the positive and negative output lead of some electric automobile battery charger modules is respectively connected together。
6. the charger adopting the arbitrary described electric automobile battery charger module composition of claim 1-4, it is characterized in that, some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively。
7. charger as claimed in claim 6, it is characterized in that, the high and low level of the CAN communication line of described some electric automobile battery charger modules is respectively connected together, the positive and negative output lead of some electric automobile battery charger modules exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
8. the charger adopting the arbitrary described electric automobile battery charger module composition of claim 1-4, it is characterized in that, some electric automobile battery charger wired in parallel are connected in same charging pile, and some electric automobile battery charger modules are connected with charging pile charge control system respectively；Some above-mentioned charging piles are connected in parallel, and are communicated by CAN communication line between the charge control system in each charging pile。
9. charger as claimed in claim 8, it is characterized in that, the high and low level of the CAN communication line of each described charge control system is respectively connected together, and the positive and negative output lead of some charging piles exports after being respectively connected together, its outfan connecting electric automobile rechargeable battery。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972586A (en) * | 2017-05-11 | 2017-07-21 | 山东鲁能智能技术有限公司 | A kind of charging system and method having by group flow equalizing function |
| CN107134839A (en) * | 2017-05-11 | 2017-09-05 | 山东鲁能智能技术有限公司 | A kind of high power density charging module and method based on all-digitized demodulator |
| CN107689662A (en) * | 2016-07-28 | 2018-02-13 | 青岛华烁高科新能源技术有限公司 | A kind of electric automobile discrete DC charging motor system and its charging method |
| CN108128204A (en) * | 2017-12-29 | 2018-06-08 | 山东鲁能智能技术有限公司 | A kind of data transmission method and system for charging pile CAN bus |
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2016
- 2016-01-29 CN CN201620097032.2U patent/CN205335935U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689662A (en) * | 2016-07-28 | 2018-02-13 | 青岛华烁高科新能源技术有限公司 | A kind of electric automobile discrete DC charging motor system and its charging method |
| CN106972586A (en) * | 2017-05-11 | 2017-07-21 | 山东鲁能智能技术有限公司 | A kind of charging system and method having by group flow equalizing function |
| CN107134839A (en) * | 2017-05-11 | 2017-09-05 | 山东鲁能智能技术有限公司 | A kind of high power density charging module and method based on all-digitized demodulator |
| CN108128204A (en) * | 2017-12-29 | 2018-06-08 | 山东鲁能智能技术有限公司 | A kind of data transmission method and system for charging pile CAN bus |
| CN108128204B (en) * | 2017-12-29 | 2020-11-03 | 国网智能科技股份有限公司 | Data transmission method and system for charging pile CAN bus |
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Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Patentee after: National Network Intelligent Technology Co., Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone (Lixia District) Xinluo Avenue No. 2008 silver bearing building B block 626 Patentee before: Shandong Luneng Intelligent Technology Co., Ltd. |
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Effective date of registration: 20201216 Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province Patentee before: National Network Intelligent Technology Co.,Ltd. |
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Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |
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