CN111301211A - Super charging pile based on flexible charging power sharing - Google Patents
Super charging pile based on flexible charging power sharing Download PDFInfo
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- CN111301211A CN111301211A CN202010304442.0A CN202010304442A CN111301211A CN 111301211 A CN111301211 A CN 111301211A CN 202010304442 A CN202010304442 A CN 202010304442A CN 111301211 A CN111301211 A CN 111301211A
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- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
- B60L53/665—Methods related to measuring, billing or payment
-
- 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
- B60L53/60—Monitoring or controlling charging stations
- B60L53/67—Controlling two or more charging stations
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- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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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
- Y02T10/70—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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a flexible charging power sharing-based super charging pile, which comprises a power pool, a distribution transformer and a plurality of flexible charging piles, wherein the power pool is used for storing a plurality of flexible charging piles; the output end of the distribution transformer is connected with the input end of the power pool; the output end of the power pool is connected with the input end of the flexible charging pile. The advantages are that: the real-time state of the power battery of the electric automobile can be identified and tracked, and the charging power regulation and control matching can be automatically carried out, so that the charging requirements of the power batteries of various types and multi-power output electric automobiles can be met; the method has the advantages that the rechargeable batteries of the electric automobile in a charging state are repaired, the capacity difference among single batteries in the power battery pack of the electric automobile is reduced, the maximum voltage difference among the batteries of the battery pack can be smaller than 10mV, and the integral power battery capacity and the automobile endurance mileage of the electric automobile are improved; and sharing the power pool to ensure that the output power of each charging pile is completely matched with the charging power required by the electric automobile.
Description
Technical Field
The invention relates to a super charging pile based on flexible charging power sharing, and belongs to the technical field of electric vehicle charging.
Background
Rapid development of charging infrastructure has benefited from the promotion of policies and rapid development of the electric vehicle industry in recent years. At present, China is far ahead in the aspect of charging piles, and the number of the charging piles is the largest. However, the existing charging pile is low in output power and single in charging mode, and part of the charging piles can be rapidly charged even with potential safety hazards, so that the performance and safety of the battery of the electric automobile are damaged. Meanwhile, along with the improvement of the energy storage technology of the charging automobile in the last two years, the endurance mileage and the working voltage of the battery are greatly improved, and the future electric automobile charging industry is urgent to be confronted with the technical upgrading and the product transformation. Moreover, because the novel flexible quick charging pile structurally and traditionally has a large difference, the improvement of the single pile can not be met, all single-pile products must be disassembled, recalled and modified, and the difficulty is not inferior to 'the reconstruction after disassembling the building'. How to realize filling electric pile and filling electric pile output power according to the required charging power automatically regulated of electric automobile actual charging is the problem of treating to solve.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a flexible charging power sharing based super charging pile.
In order to solve the technical problems, the invention provides a flexible charging power sharing-based super charging pile, which comprises a power pool, a distribution transformer and a plurality of flexible charging piles, wherein the power pool is used for storing charging power; the output end of the distribution transformer is connected with the input end of the power pool; the output end of the power pool is connected with the input end of the flexible charging pile;
the distribution transformer is used for providing electric energy for the power pool;
the power pool is used for providing electric energy for the charging pile;
the flexible charging pile is used for providing charging power matched with the power of the electric automobile for the electric automobile.
Further, the shared power pool includes:
the rectifier module is used for converting the alternating-current voltage output by the distribution transformer into direct-current voltage;
the filtering module is used for receiving the direct-current voltage, filtering the direct-current voltage and outputting smooth current;
the inversion modules are used for converting direct current into alternating current;
the switch matrix is used for controlling each inversion module to enable the output power of the charging pile to be matched with the charging power of the electric automobile;
and the centralized control module is used for controlling the switch matrix according to the power required by the charging pile so that the output power of the charging pile is matched with the charging power of the electric automobile.
Furthermore, the rectifier module adopts an uncontrollable three-phase rectifier bridge to convert alternating-current voltage into direct-current pulsating voltage, and the rated current is larger than 2500A.
Furthermore, the filtering module adopts a single-phase smoothing reactor to perform current ripple filtering.
Furthermore, the inversion module adopts a low-power bidirectional inverter, and the output voltage is adjustable.
Furthermore, the switch matrix adopts a plurality of groups of relays, realizes the parallel output of arbitrary several groups of inversion module combinations through controlling the relays, and the output power is matched with the output power of the charging pile charged at the moment, thereby ensuring that the automobile charging power is completely matched with the output power of the charging pile.
Further, the centralized control module comprises:
the charging pile information communication module is used for acquiring charging pile information by the centralized control module;
the power supply module is used for supplying power to other modules of the centralized control module;
the inverter control module is used for controlling the inverter to work;
the switch matrix driving module is used for controlling a switch matrix;
and the microprocessor module is used for acquiring the power and electric energy information of the charging pile and controlling the inverter control module and the switch matrix driving module to work.
Furthermore, the charging pile information communication module adopts a CAN bus module.
Further, the inverter control module adopts a relay to control the connection and disconnection of the inverter
Further, the switch matrix driving module adopts optical coupling isolation driving.
Further, flexible electric pile that fills includes:
the communication interface circuit of the electric vehicle battery management system is used for acquiring the battery information of the electric vehicle;
the charging pile head adopts a gun type structure and is used for being connected with a charging end of the electric automobile;
the power input interface is used for connecting the charging pile head and the electric quantity metering module;
and the electric quantity metering module is respectively connected with the communication interface circuit and the power input interface of the electric automobile battery management system and is used for metering electric energy used in the charging process of the charging pile.
The invention achieves the following beneficial effects:
1. the real-time state of the power battery of the electric automobile can be identified and tracked, the charging power can be automatically regulated and matched, the output power of the charging pile is completely matched with the charging power required by the electric automobile, and the charging requirements of the power batteries of various types and multi-power output of electric automobiles are met;
2. the charging pile with the automatic power battery repairing function based on the active equalization control method repairs the charging battery of the electric automobile in a charging state by sharing data between the charging gun head and a battery management system of the power battery of the electric automobile, reduces the capacity difference among single batteries in the power battery pack of the electric automobile, finally realizes that the maximum voltage difference among each battery of the battery pack can be less than 10mV, and improves the integral power battery capacity of the electric automobile and the endurance mileage of the automobile;
3. the power pool is shared, a charging output power module type parallel structure is utilized, and the charging output power modules can be combined randomly according to the charging power required by the charging battery, so that the output power of each charging pile is completely matched with the charging power required by the electric automobile.
Drawings
Fig. 1 is a schematic diagram of a flexible charging power sharing based super charging pile;
FIG. 2 is a schematic block diagram of a shared power pool;
FIG. 3 is a schematic block diagram of a centralized control module;
fig. 4 is a schematic structure diagram of the flexible charging pile.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 4, a flexible charging power sharing based super charging pile includes a plurality of flexible charging piles, a power pool, and a distribution transformer; the output end of the distribution transformer is connected with the input end of the power pool; the output end of the power pool is connected with the input end of the flexible charging pile.
The distribution transformer is used for providing electric energy for the power pool;
the power pool is used for providing electric energy for the charging pile;
the flexible charging pile is used for providing charging power matched with the power of the electric automobile for the electric automobile.
The shared power pool comprises a switch matrix, a centralized control module, a plurality of inversion modules, a filtering module and a rectifying module; the input end of the rectifier module is connected with the output end of the distribution transformer; the output end of the rectification module is connected with the input end of the filtering module; the output end of the filtering module is connected with the input ends of all the inversion modules; the output end of the inversion module is connected with the input end of the switch matrix; a plurality of output ends of the switch matrix are connected with the input end of the flexible charging pile; and the switch matrix, the inversion module and the flexible charging pile signal end are respectively connected with a new number end of the centralized controller.
The rectifier module is used for converting the alternating-current voltage output by the distribution transformer into direct-current voltage;
the filtering module is used for receiving the direct-current voltage, filtering the direct-current voltage and outputting smooth current;
the inversion modules are used for converting direct current into alternating current;
the switch matrix is used for controlling each inversion module to enable the output power of the charging pile to be matched with the charging power of the electric automobile;
and the centralized control module is used for controlling the switch matrix according to the power required by the charging pile so that the output power of the charging pile is matched with the charging power of the electric automobile.
The rectifier module adopts an uncontrollable three-phase rectifier bridge to convert alternating-current voltage into direct-current pulsating voltage, and the rated current is larger than 2500A.
And the filtering module adopts a single-phase smoothing reactor to carry out current ripple filtering.
The inversion module adopts a low-power bidirectional inverter, and the output voltage is adjustable.
The switch matrix adopts a plurality of groups of relays, realizes the parallel output of arbitrary several groups of inversion module combinations through controlling the relays, and the output power is matched with the output power of the charging pile charged at the moment, thereby ensuring that the automobile charging power is completely matched with the output power of the charging pile.
The centralized control module comprises a charging pile information communication module, a power supply module, a microprocessor module, an inverter control module and a switch matrix driving module; the output end of the electric pile information communication module is connected with a communication interface of the microprocessor module; the output end of the power supply module is connected with a power end interface of the microprocessor module; the input end of the inverter control module is connected with the I/O of the output end of the microprocessor module; and the input end of the switch matrix driving module is connected with the I/O of the output end of the microprocessor module.
The charging pile information communication module is used for acquiring charging pile information by the centralized control module;
the power supply module is used for supplying power to other modules of the centralized control module;
the inverter control module is used for controlling the inverter to work;
the switch matrix driving module is used for controlling a switch matrix;
and the microprocessor module is used for acquiring the power and electric energy information of the charging pile and controlling the inverter control module and the switch matrix driving module to work.
The charging pile information communication module adopts a CAN bus module.
The inverter control module adopts a relay to carry out on-off control of the inverter
The switch matrix driving module adopts optical coupling isolation driving.
The microprocessor module employs an STM32 microprocessor.
The flexible charging pile comprises a communication interface circuit with an electric vehicle battery management system, a charging pile head, an electric quantity metering module and a power input interface; the electric automobile battery management system communication interface circuit is integrated with the charging pile head, the charging pile head adopts a gun type structure, and the input end of the charging pile head is connected with the output end of the power input interface; the input end of the electric quantity metering module is connected with the signal output end of the power input interface and used for metering electric energy used in the charging process of the charging pile.
The charging pile information communication module is used for acquiring charging pile information by the centralized control module;
the power supply module is used for supplying power to other modules of the centralized control module;
the inverter control module is used for controlling the inverter to work;
the switch matrix driving module is used for controlling a switch matrix;
and the microprocessor module is used for acquiring the power and electric energy information of the charging pile and controlling the inverter control module and the switch matrix driving module to work.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A super charging pile based on flexible charging power sharing is characterized by comprising a power battery, a distribution transformer and a plurality of flexible charging piles; the output end of the distribution transformer is connected with the input end of the power pool; the output end of the power pool is connected with the input end of the flexible charging pile;
the distribution transformer is used for providing electric energy for the power pool;
the power pool is used for providing electric energy for the charging pile;
the flexible charging pile is used for providing charging power matched with the power of the electric automobile for the electric automobile.
2. The flexible charging power sharing super charging pile based on claim 1,
the shared power pool includes:
the rectifier module is used for converting the alternating-current voltage output by the distribution transformer into direct-current voltage;
the filtering module is used for receiving the direct-current voltage, filtering the direct-current voltage and outputting smooth current;
the inversion modules are used for converting direct current into alternating current;
the switch matrix is used for controlling each inversion module to enable the output power of the charging pile to be matched with the charging power of the electric automobile;
and the centralized control module is used for controlling the switch matrix according to the power required by the charging pile so that the output power of the charging pile is matched with the charging power of the electric automobile.
3. The flexible charging power sharing based super charging pile according to claim 2, wherein the rectifying module adopts an uncontrollable three-phase rectifying bridge to convert alternating current voltage into direct current pulsating voltage, and the rated current is larger than 2500A.
4. The flexible charging power sharing-based super charging pile according to claim 2, wherein the filtering module performs current ripple filtering by using a single-phase smoothing reactor.
5. The flexible charging power sharing-based super charging pile according to claim 2, wherein the inversion module adopts a low-power bidirectional inverter, and the output voltage is adjustable.
6. The flexible charging power sharing-based super charging pile according to claim 2 is characterized in that a plurality of groups of relays are adopted in the switch matrix, any groups of inversion modules are combined and output in parallel through control of the relays, the output power is matched with the output power of the charging pile charged at the moment, and the fact that the automobile charging power is completely matched with the output power of the charging pile is guaranteed.
7. The flexible charging power sharing-based super charging pile according to claim 2, wherein the centralized control module comprises:
the charging pile information communication module is used for acquiring charging pile information by the centralized control module;
the power supply module is used for supplying power to other modules of the centralized control module;
the inverter control module is used for controlling the inverter to work;
the switch matrix driving module is used for controlling a switch matrix;
and the microprocessor module is used for acquiring the power and electric energy information of the charging pile and controlling the inverter control module and the switch matrix driving module to execute corresponding work.
8. The flexible charging power sharing based super charging pile according to claim 7, wherein the charging pile information communication module adopts a CAN bus module.
9. The flexible charging power sharing-based super charging pile according to claim 7, wherein the inverter control module performs inverter on and off control by using a relay.
10. The flexible charging power sharing based super charging pile according to claim 7, wherein the switch matrix driving module adopts optical coupling isolation driving.
11. The flexible charging power sharing-based super charging pile according to claim 1, wherein the flexible charging pile comprises:
the communication interface circuit of the electric vehicle battery management system is used for acquiring the battery information of the electric vehicle;
the charging pile head adopts a gun type structure and is used for being connected with a charging end of the electric automobile;
the power input interface is used for connecting the charging pile head and the electric quantity metering module;
and the electric quantity metering module is respectively connected with the communication interface circuit and the power input interface of the electric automobile battery management system and is used for metering electric energy used in the charging process of the charging pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010304442.0A CN111301211A (en) | 2020-04-17 | 2020-04-17 | Super charging pile based on flexible charging power sharing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010304442.0A CN111301211A (en) | 2020-04-17 | 2020-04-17 | Super charging pile based on flexible charging power sharing |
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| CN111301211A true CN111301211A (en) | 2020-06-19 |
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| CN202010304442.0A Pending CN111301211A (en) | 2020-04-17 | 2020-04-17 | Super charging pile based on flexible charging power sharing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291187A (en) * | 2021-05-17 | 2021-08-24 | 东莞市光烨节能科技有限公司 | Ring network parallel fast charging system capable of flexibly expanding capacity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113291187A (en) * | 2021-05-17 | 2021-08-24 | 东莞市光烨节能科技有限公司 | Ring network parallel fast charging system capable of flexibly expanding capacity |
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Application publication date: 20200619 |
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