CN206968427U - A kind of 10kV direct hanging types DC charging device - Google Patents
A kind of 10kV direct hanging types DC charging device Download PDFInfo
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- CN206968427U CN206968427U CN201720791703.XU CN201720791703U CN206968427U CN 206968427 U CN206968427 U CN 206968427U CN 201720791703 U CN201720791703 U CN 201720791703U CN 206968427 U CN206968427 U CN 206968427U
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- charging
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- charging device
- current
- cascade converter
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- 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
- Y02T10/72—Electric energy management in electromobility
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- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of 10kV direct hanging types DC charging device, including cascaded H-bridges current transformer, DC charging module, direct-current charging post charging controller, Monitor Computer Control System, compared to the charging device of currently used three-phase half-bridge topology, disclosed 10kV direct hanging types electric automobile DC charging device is directly accessed 10kV power networks by cascading current transforming unit, back end DC charging module accesses the DC side of cascade converter, without AC/DC rectification links, save charging device construction cost, work together due to the low harmony wave and High Power Factor characteristic of cascade converter, need additionally mounted reactive power compensator, effectively reduce the construction cost of electric automobile charging station.
Description
Technical field
A kind of 10kV direct hanging types DC charging device is the utility model is related to, is related to a kind of 10kV direct hanging types DC charging dress
Put.
Background technology
As the extensive commercial premise of electric automobile decision is played with basis, the construction of electric vehicle rapid charging device
The effect of property.At present, increasing power electronic equipment input power network, due to can not control rectifier in large power supply equipment
In extensive use, its harmonic pollution getting worse to caused by power network so that electrical energy production, transmission and utilize efficiency drop
It is low, and influence the safe operation of power network.In order to ensure the normal operation of power network, the method taken now often limits access electricity
The capacity of the rectifying installation of net, which limits the use of some high-power DC power supplies.10kV direct hanging types on the market at present
DC charging device using the topological structure shown in Fig. 1, is primarily present problems with more：
1. commercial power enter line side be high pressure, it is necessary to using step-down transformer, therefore bring larger power attenuation, and
Single unit system volume is larger.
Larger harmonic pollution, power network are brought 2. prime AC/DC circuits use the uncontrollable rectification of three-phase half-bridge more, during operation
Power factor typically can only achieve 0.9 or so.
3. determine that each charging pile must include a set of fairing and a set of DC/DC becomes by the topological structure of system
Changing device, installation cost is caused to be difficult to reduce.
Utility model content
Purpose：In order to overcome the deficiencies in the prior art, the utility model provides a kind of 10kV direct hanging types direct current and filled
Electric installation, it is a kind of high pressure direct hanging type charging equipment of electric automobile based on cascade structure, front end uses cascade high voltage current transformer
Direct screening 10kV power networks are realized, the DC charging module of rear end is directly connected on the DC side of each H bridge modules of cascade converter, the charging
Equipment is easy to modularization generation, and due to the low harmony wave of cascade converter, High Power Factor operation characteristic, reduces DC charging
The construction cost of device.
Technical scheme：In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of 10kV direct hanging types DC charging device, it is characterised in that：Including cascade converter, DC charging module, straight
Current charge stake charging controller, Monitor Computer Control System；Described cascade converter, 10kV is directly accessed by filter inductance L
High-voltage fence, DC charging module access the rear end of cascade converter, and described direct-current charging post charging controller passes through direct current
The charging pipette tips of charging module tail end communicate with batteries of electric automobile BMS, and control DC charging module to complete corresponding power
Conversion and billing function, described Monitor Computer Control System realize backstage by being communicated with direct-current charging post charging controller
Charging pile runs function.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：The cascade converter is
Cascaded H-bridges current transformer, 10kV power networks are directly accessed, realize High Power Factor rectification function, it has stable according to different loads
The function of DC voltage, the stabilization of the front end input voltage of DC charging module is ensured.
Using cascade converter, DC charging device direct screening 10kV power networks are realized, without additionally mounted 10kV/0.4kV
Step-down transformer, reduce device volume.Cascade converter has the characteristics of low harmony wave, High Power Factor is run, DC charging
Device reduces the construction cost of DC charging device without additionally mounted reactive-load compensation and harmonic suppression apparatus.With stable
The function of DC voltage, different loads is directed to during charging batteries of electric automobile, ensure that each H bridge chain sections will not
Cause pressure failure because of load change, in turn result in DC charging module excessive pressure damages.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：Described DC charging mould
Block uses modularization hot-plug construction, is readily produced and later maintenance.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：The DC charging module
Access point be located at the DC side of cascade converter, by isolating DC/DC conversion, realize that direct current sets voltage, complete to electronic
The charge function of automobile mounted battery.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：Described DC charging control
The access point of device processed is located at the H bridge DC output sides of cascade converter, and input voltage is DC voltage.Compared in current operation
Direct-current charging post, reduce the rectification link of single unit system, reduce construction cost.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：Described DC charging control
Device processed is communicated by the BMS with on-vehicle battery, obtains the operational factor of battery bag, controls direct current to fill by corresponding message
The power output of electric module, the stable operation of charging system is realized, and corresponding billing function is completed according to reality output electricity.
Preferably, described 10kV direct hanging type DC charging devices, it is characterised in that：Described ipc monitor
System, by being communicated with DC charging module, the real-time parameter for obtaining each charging module carries out unified monitoring and management.
Beneficial effect：A kind of 10kV direct hanging types DC charging device provided by the utility model, level link is based on for one kind
The high pressure direct hanging type charging equipment of electric automobile of structure, has used cascade converter, is filled without installing reactive-load compensation with harmonics restraint
Put, and the DC charging module of rear end is easy to modularization generation, has compared to traditional low voltage three-phase direct-current charging post following excellent
Point：
1st, employ cascade converter and be directly accessed 10kV power networks, without external step-down transformer, reduce charging equipment
Volume.
2nd, due to the low harmony wave and unity power factor characteristic of cascade converter, DC charging device described in this patent without
External reactive-load compensation and harmonic suppression apparatus are needed, greatly reduces construction and the operation cost of charging pile.
3rd, AC/DC rectification circuits are reduced compared to traditional three-phase dc charging pile AC/DC/DC translation circuits, this patent,
DC charging module access point is located at the DC side of cascade converter H bridges, therefore without AC/DC rectification circuits, reduces construction
Cost.
4th, DC charging module uses modularized design, and integrated level is high, supports hot plug, during equipment fault, is easy to safeguard,
Reduce the later maintenance cost of charging device.
Brief description of the drawings
Fig. 1 is existing electric automobile charging equipment for automobile topological structure；
Fig. 2 is the utility model device topological structure.
Embodiment
The utility model is further described with reference to specific embodiment.
As shown in Fig. 2 a kind of 10kV direct hanging types DC charging device of the utility model, including cascade converter 1, direct current fill
Electric module 2, direct-current charging post charging controller 3, Monitor Computer Control System 4.Described cascade converter 1, passes through filter inductance L
10kV high-voltage fences are directly accessed, DC charging module 2 accesses the rear end of cascade converter 1, described direct-current charging post charging
Controller 3 is communicated by the charging pipette tips of the tail end of DC charging module 2 with batteries of electric automobile BMS, and controls DC charging mould
Block 2 completes corresponding power conversion and billing function, described Monitor Computer Control System 4 by with direct-current charging post charging control
Device 3 communicates, and realizes the charging pile operation function on backstage.
The cascade converter 1 is cascaded H-bridges current transformer, is directly accessed 10kV power networks, realizes High Power Factor rectification work(
Can, it has the function according to different loads stable DC side voltage, has ensured the front end input voltage of DC charging module 2
It is stable.Using cascade converter 1, DC charging device direct screening 10kV power networks are realized, are dropped without additionally mounted 10kV/0.4kV
Pressure transformer, reduce device volume.Cascade converter has the characteristics of low harmony wave, High Power Factor is run, DC charging dress
Put the construction cost for without additionally mounted reactive-load compensation and harmonic suppression apparatus, reducing DC charging device.With stable straight
The function of side voltage is flowed, different loads is directed to during charging batteries of electric automobile, ensure that each H bridge chain sections will not be because
Cause pressure failure for load change, in turn result in the excessive pressure damages of DC charging module 2.
Described DC charging module 2 is readily produced and later maintenance using modularization hot plug design.DC charging mould
The access point of block 2 is located at the DC side of cascade converter 1, by isolating DC/DC conversion, realizes that direct current sets voltage, completion pair
The charge function of the vehicle-mounted battery of electric automobile.
Described DC charging controller 3, equipment access point are located at the H bridge DC output sides of cascade converter 1, input electricity
Press as DC voltage, compared to the direct-current charging post in current operation, reduce the rectification link of single unit system, reduce construction into
This.Communicated by the BMS with on-vehicle battery, obtain the operational factor of battery bag, control direct current to fill by corresponding message
The power output of electric module 2, the stable operation of charging system is realized, and corresponding charging work(is completed according to reality output electricity
Energy.
Described Monitor Computer Control System 4, by being communicated with DC charging module 2, obtain the reality of each charging module
When parameter carry out unified monitoring and management.
Described above is only preferred embodiment of the present utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
- A kind of 1. 10kV direct hanging types DC charging device, it is characterised in that：Including cascade converter, DC charging module, direct current Charging pile charging controller, Monitor Computer Control System；Described cascade converter, 10kV electricity is directly accessed by filter inductance L Net, DC charging module access the rear end of cascade converter, and described direct-current charging post charging controller passes through DC charging mould The charging pipette tips of block tail end communicate with batteries of electric automobile BMS, and control DC charging module complete corresponding power conversion with Billing function, described Monitor Computer Control System realize the charging pile on backstage by being communicated with direct-current charging post charging controller Run function.
- 2. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：The cascade converter is level Join H bridge current transformers, be directly accessed 10kV power networks, realize High Power Factor rectification function, it is straight with being stablized according to different loads The function of side voltage is flowed, has ensured the stabilization of the front end input voltage of DC charging module.
- 3. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：Described DC charging module Using modularization hot-plug construction, it is readily produced and later maintenance.
- 4. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：The DC charging module Access point is located at the DC side of cascade converter, by isolating DC/DC conversion, realizes that direct current sets voltage, completes to electronic vapour The charge function of car on-vehicle battery.
- 5. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：Described direct-current charging post meter The access point for taking controller is located at the H bridge DC output sides of cascade converter, and input voltage is DC voltage.
- 6. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：Described direct-current charging post meter Expense controller is communicated by the BMS with on-vehicle battery, obtains the operational factor of battery bag, is controlled by corresponding message straight The power output of current charge module, the stable operation of charging system is realized, and corresponding charging is completed according to reality output electricity Function.
- 7. 10kV direct hanging types DC charging device according to claim 1, it is characterised in that：Described ipc monitor system System, by being communicated with DC charging module, the real-time parameter for obtaining each charging module carries out unified monitoring and management.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720791703.XU CN206968427U (en) | 2017-07-03 | 2017-07-03 | A kind of 10kV direct hanging types DC charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720791703.XU CN206968427U (en) | 2017-07-03 | 2017-07-03 | A kind of 10kV direct hanging types DC charging device |
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| Publication Number | Publication Date |
|---|---|
| CN206968427U true CN206968427U (en) | 2018-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720791703.XU Active CN206968427U (en) | 2017-07-03 | 2017-07-03 | A kind of 10kV direct hanging types DC charging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596147A (en) * | 2020-04-03 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Load test platform design based on 10kV charging station front stage |
-
2017
- 2017-07-03 CN CN201720791703.XU patent/CN206968427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596147A (en) * | 2020-04-03 | 2020-08-28 | 青岛鼎信通讯股份有限公司 | Load test platform design based on 10kV charging station front stage |
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