CN203151124U - Two-way charger system - Google Patents
Two-way charger system Download PDFInfo
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- CN203151124U CN203151124U CN 201220651242 CN201220651242U CN203151124U CN 203151124 U CN203151124 U CN 203151124U CN 201220651242 CN201220651242 CN 201220651242 CN 201220651242 U CN201220651242 U CN 201220651242U CN 203151124 U CN203151124 U CN 203151124U
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Abstract
The invention discloses a two-way charger system used for charging of an electric vehicle. The invention adopts the technical scheme that AC (alternating current) input is respectively connected with N modularized AC/DC rectifier modules and K modularized DC/AC inverter modules through different ports, wherein N is greater than 2, and K is equal to or greater than 1; all the modules are connected with a monitoring unit and a charging pile respectively; the charging pile is connected with the monitoring unit; during charging, the monitoring unit closes all the DC/AC inverter modules, and during discharging, the monitoring unit closes all the AC/DC rectifier modules; the monitoring unit issues instructions to monitoring modules through broadcasting, and different monitoring modules execute instructions matched with address characters; charging or discharging is carried out through the monitoring unit so as to achieve the aim of two-way charging or discharging; a DC connector and an AC connecting piece of the modularized modules are totally the same and can be mutually inserted in position; and both charging and discharging adopt an energy-saving mode.
Description
Technical field
The utility model relates to a kind of charger for the electric motor car charging.
Background technology
The electric motor car industry is risen at present, the electric motor car charger of Pei Beiing also and then grows up thereupon, because charging or change electricity, electric motor car all needs to use storage battery (or super capacitor), storage battery (or super capacitor) is again a kind of fine energy storage device, and the power consumption of electrical network is different along with the difference of production time, daytime, power consumption was big, the electrical network overload operation, and night, power consumption was few, caused generating and transmission facilities idle, be the harmful effect of avoiding this phenomenon that electrical network is caused, grid company has been carried out the different electricity prices of peak valley.Along with popularizing of electric motor car, utilize a large amount of electric motor cars energy storage that charges at night, feed back to electrical network daytime and carry out electric quantity balancing, utilize this peak valley price difference, provide cost savings for the electric motor car user, simultaneously balance the electrical network power consumption, reduce the rigidity investment.Therefore, carry out the reverse electrical network that feeds back to for simultaneously the battery of electric vehicle energy storage to the electric motor car charging, must become a kind of trend.
Present this bidirectional charger mainly contains two kinds of tactic patterns, a kind of is to adopt biphase rectification inverter bridge topological structure in the inner AC/DC topological structure of charger, its topology diagram as shown in Figure 1, the shortcoming of sort circuit is that circuit topology is quite complicated, input filter is double as inversion output smoothing device simultaneously, because inversion is output as low frequency, volume is bigger.Because AC becomes the power of DC and the power that DC becomes AC is suitable, and the power device waste is bigger, cost is higher in addition.
The another kind of structure of bidirectional charger as shown in Figure 2, the characteristics of this structure are to add an AC/DC charging rectifier module in charger, incorporate a DC/AC inversion module simultaneously between battery port and ac input end mouth again into.The shortcoming of this bidirectional charger is that DC charging power and ac converter power are fixed, and poor reliability does not have Redundancy Design.
Summary of the invention
The purpose of this utility model is for solving fixing immutable, problem the proposes a kind of bidirectional charger system such as reliability is low of existing bidirectional charger circuit structure complexity, inverter power, having adopted a kind of multimode blocking DC charging system, inversion system and automatic switchover control module.
The technical solution adopted in the utility model is: exchange input and connect N modular AC/DC rectification module and K modular DC/AC inversion module respectively with different ports, N＞2, K 〉=1, each described module connects monitoring unit and charging pile respectively, and charging pile connects monitoring unit; The closeall DC/AC inversion module of monitoring unit during charging, the closeall AC/DC rectification module of monitoring unit during discharge.
The input/output interface of each described module is identical.
Each described module is the hot plug type.
Monitoring unit issues instruction with monitoring module by broadcasting command, and disparate modules is carried out the instruction that matches with address character.
The beneficial effects of the utility model are:
1, by the monitoring unit charge or discharge, reaches the two-way purpose that discharges and recharges.
2, the direct current connector of modular charging rectifier module and inversion module is with to exchange connector identical, and the position can interfix.
3, charging process can adopt energy saver mode, and discharge process also can adopt energy saver mode.
Description of drawings
Fig. 1 and Fig. 2 are the structural representations of existing two kinds of bidirectional chargers;
Fig. 3 is a kind of bidirectional charger system schematic of the utility model;
Embodiment
As Fig. 3, a kind of bidirectional charger of the utility model system connects N modular AC/DC rectification module and K modular DC/AC inversion module in the interchange input respectively with different ports, N＞2, plural modular AC/DC rectification module is namely arranged, namely there is the modular DC/AC inversion module more than 1 and 1 K 〉=1.Each module connects monitoring unit respectively, also connects DC port/DC charging stake respectively, and DC port/DC charging stake connects monitoring unit.
The input/output interface of each module is identical, so their number can be according to the demand flexible configuration of charging and discharging, also can insert the AC/DC module at charger, put into needed inversion module again when needing discharge, charging process and discharge process are controlled by monitoring unit.When charging, the monitored unit of all inversion modules is closed, and system charges to battery of electric vehicle according to battery types or the charging curve of monitoring unit acquiescence; Charging process can be carried out the energy saver mode charging according to module maximal efficiency scope; Also can charge to battery of electric vehicle according to the charging requirement of the BMS of the built-in (if there is) of electric motor car, under the BMS charge mode, can adopt the Energy Saving Control pattern too.In discharge process, all monitored unit of charging rectifier module are closed automatically, and inversion also can select to open the inversion module of corresponding number according to the maximal efficiency scope in the discharge process, reaches the discharging efficiency maximization.
For improving the maintainability of system, all AC/DC rectification modules and DC/AC inversion module can be made the hot plug type, their direct current connector is with to exchange connector identical, but mixed insertion in same system, distinguish by the address difference, the monitoring unit monitoring module issues instruction by broadcasting command, and disparate modules is carried out the instruction that matches with their address characters.
The system module number also can not be used at the very start and assort, and may increase flexibly according to the development of electric motor car, and when electric motor car increased, progressively boost charge module and corresponding inversion module reached the purpose of reducing investment outlay again, simultaneously, need not carry out repeated construction.
Claims (3)
1. bidirectional charger system, it is characterized in that: exchange input and connect N modular AC/DC rectification module and K modular DC/AC inversion module, N＞2, K 〉=1 respectively with different ports, each described module connects monitoring unit and charging pile respectively, and charging pile connects monitoring unit; The closeall DC/AC inversion module of monitoring unit during charging, the closeall AC/DC rectification module of monitoring unit during discharge.
2. a kind of bidirectional charger according to claim 1 system, it is characterized in that: the input/output interface of each described module is identical.
3. a kind of bidirectional charger according to claim 1 system, it is characterized in that: each described module is the hot plug type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651242 CN203151124U (en) | 2012-12-03 | 2012-12-03 | Two-way charger system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651242 CN203151124U (en) | 2012-12-03 | 2012-12-03 | Two-way charger system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203151124U true CN203151124U (en) | 2013-08-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651242 Expired - Fee Related CN203151124U (en) | 2012-12-03 | 2012-12-03 | Two-way charger system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203151124U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983606A (en) * | 2012-12-03 | 2013-03-20 | 江苏嘉钰新能源技术有限公司 | Two-way charger system |
| WO2021017509A1 (en) * | 2019-08-01 | 2021-02-04 | 深圳英飞源技术有限公司 | Compatible design method for energy storage charging pile |
-
2012
- 2012-12-03 CN CN 201220651242 patent/CN203151124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983606A (en) * | 2012-12-03 | 2013-03-20 | 江苏嘉钰新能源技术有限公司 | Two-way charger system |
| WO2021017509A1 (en) * | 2019-08-01 | 2021-02-04 | 深圳英飞源技术有限公司 | Compatible design method for energy storage charging pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20161203 |