CN111959334A - DC bus variable power flexible charging control method based on cloud scheduling strategy - Google Patents
DC bus variable power flexible charging control method based on cloud scheduling strategy Download PDFInfo
- Publication number
- CN111959334A CN111959334A CN202010873092.XA CN202010873092A CN111959334A CN 111959334 A CN111959334 A CN 111959334A CN 202010873092 A CN202010873092 A CN 202010873092A CN 111959334 A CN111959334 A CN 111959334A
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- CN
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- Prior art keywords
- charging
- battery
- cloud
- bus
- control method
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- B60L53/68—Off-site monitoring or control, e.g. remote control
-
- 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
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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
- Y02T10/7072—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
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of charging control, in particular to a direct-current bus variable-power flexible charging control method based on a cloud scheduling strategy; the system comprises a plurality of charging units connected with a direct current bus, wherein chargers in the charging units are controlled by a cloud server through a bus system; the charging unit is provided with a voltage sensor and a current sensor and feeds back the actual SOC and the cell state of a loaded battery to the cloud end in real time; the cloud server calculates the actual SOC and the cell state obtained in the second step to obtain the better charging power which the battery should obtain, and then sends an instruction to the charger in the charging unit through the bus system; the intelligent charging method comprises the steps of intelligently monitoring all batteries governed by a bus by using cloud scheduling instead of charging piles or charging units as cores, and obtaining the actual SOC and the state of each battery cell according to the actual voltage and current of each battery cell, so that the ideal charging power of the battery cells is calculated, and the charging power of the battery cells is obtained through the bus.
Description
Technical Field
The invention relates to the technical field of charging control, in particular to a direct-current bus variable-power flexible charging control method based on a cloud scheduling strategy.
Background
At present, the batteries of power batteries, such as batteries of pure electric vehicles, are charged in batches by placing each battery in a separate charging pile or the like, and then charge control is performed through a separate charging control circuit board, which usually includes a rectifying device, a boosting device, a charging device and a charging protection device, wherein the charging protection device can disconnect the charging device after sensing that the battery is fully charged and remind a worker to take out the battery, namely, so-called delivery.
It is expected that a plurality of devices are provided for each battery, which is costly, and the devices are difficult to operate and monitor because the charging power of each battery needs to be adjusted.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a DC bus variable power flexible charging control method based on a cloud scheduling strategy, which enables charging equipment to respectively charge different batteries through bus equipment through cloud scheduling, and realizes remote monitoring and intelligent management.
The technical scheme of the invention is as follows:
a DC bus variable power flexible charging control method based on a cloud scheduling strategy is characterized by comprising the following steps: it comprises the following steps:
the method comprises the following steps that firstly, a direct current bus is connected with a plurality of charging units, and chargers in the charging units are controlled by a cloud server through a bus system;
step two, the charging unit is provided with a voltage sensor and a current sensor, and feeds back the actual SOC and the cell state of a loaded battery to the cloud end in real time;
and step three, the cloud server calculates the optimal charging power which should be obtained by the battery according to the actual SOC and the cell state obtained in the step two, and then issues instructions to a charger in the charging unit through a bus system, wherein the instructions comprise charging, power-off and charging power adjustment.
Further, the charging units are all integrated in one electric cabinet, and they share the dc bus architecture of the electric cabinet.
Further, the charging unit further comprises a bin opening used for accommodating the battery, and when the cloud server senses that the battery is fully charged, the cloud server sends a bin outlet instruction to the bin opening.
Furthermore, a battery ejection device is arranged in the bin opening, and when the cloud server sends out a bin outlet instruction, the battery is ejected, so that the next battery to be charged can enter conveniently.
The invention has the beneficial effects that: the intelligent charging method is characterized in that a charging pile or a charging unit is not taken as a core, cloud scheduling is taken as a core, all batteries governed by a bus are intelligently monitored, the actual SOC and the battery cell state of each battery cell are known according to the actual voltage and current of each battery cell, the ideal charging power of each battery cell is calculated, and the charging power, even whether the battery cell is charged or not, is controlled through the bus.
Detailed Description
The following is further described in conjunction with the detailed description:
a DC bus variable power flexible charging control method based on a cloud scheduling strategy is characterized by comprising the following steps: it comprises the following steps:
the method comprises the following steps that firstly, a direct current bus is connected with a plurality of charging units, and chargers in the charging units are controlled by a cloud server through a bus system;
step two, the charging unit is provided with a voltage sensor and a current sensor, and feeds back the actual SOC and the cell state of a loaded battery to the cloud end in real time;
and step three, the cloud server calculates the optimal charging power which should be obtained by the battery according to the actual SOC and the cell state obtained in the step two, and then issues instructions to a charger in the charging unit through a bus system, wherein the instructions comprise charging, power-off and charging power adjustment.
The charging units are all integrated in one electric cabinet, and share the direct current bus structure of the electric cabinet.
The charging unit further comprises a bin opening used for accommodating the battery, and when the cloud server senses that the battery is fully charged, the cloud server sends a bin outlet instruction to the bin opening.
The warehouse opening is internally provided with a battery ejection device, and when the cloud server sends a warehouse outlet instruction, the battery is ejected, so that the next battery to be charged can enter conveniently.
The specific operation of this embodiment is:
an electric cabinet has 30-40 batteries, total power is 9KW, share the direct current bus architecture, every charging unit power CAN be adjustable from 0-750W, battery distribution state and SOC state are seen at the high in the clouds, send out and lack the battery instruction, the terminal receives the instruction, according to the actual SOC of 30-40 batteries in the electric cabinet and every electric core state, the major control system calculates, give every charger instruction through CAN 485 bus, the charger adjusts the output of charging power according to battery state and master control instruction, tell the storehouse when this storehouse mouth battery of master control CAN be taken out of the storehouse simultaneously.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.
Claims (4)
1. A DC bus variable power flexible charging control method based on a cloud scheduling strategy is characterized by comprising the following steps: it comprises the following steps:
the method comprises the following steps that firstly, a direct current bus is connected with a plurality of charging units, and chargers in the charging units are controlled by a cloud server through a bus system;
step two, the charging unit is provided with a voltage sensor and a current sensor, and feeds back the actual SOC and the cell state of a loaded battery to the cloud end in real time;
and step three, the cloud server calculates the optimal charging power which should be obtained by the battery according to the actual SOC and the cell state obtained in the step two, and then issues instructions to a charger in the charging unit through a bus system, wherein the instructions comprise charging, power-off and charging power adjustment.
2. The cloud scheduling policy-based direct current bus variable power flexible charging control method according to claim 1, characterized in that: the charging units are all integrated in one electric cabinet, and share the direct current bus structure of the electric cabinet.
3. The cloud scheduling policy-based direct current bus variable power flexible charging control method according to claim 2, characterized in that: the charging unit further comprises a bin opening used for accommodating the battery, and when the cloud server senses that the battery is fully charged, the cloud server sends a bin outlet instruction to the bin opening.
4. The cloud scheduling policy-based direct current bus variable power flexible charging control method according to claim 3, characterized in that: and a battery ejection device is arranged in the bin opening, and the battery is ejected out after the cloud server sends out a bin outlet instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873092.XA CN111959334A (en) | 2020-08-26 | 2020-08-26 | DC bus variable power flexible charging control method based on cloud scheduling strategy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010873092.XA CN111959334A (en) | 2020-08-26 | 2020-08-26 | DC bus variable power flexible charging control method based on cloud scheduling strategy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111959334A true CN111959334A (en) | 2020-11-20 |
Family
ID=73389829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010873092.XA Withdrawn CN111959334A (en) | 2020-08-26 | 2020-08-26 | DC bus variable power flexible charging control method based on cloud scheduling strategy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111959334A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116215288A (en) * | 2022-10-26 | 2023-06-06 | 国创巨湾(广州)能源科技有限公司 | Super-charging circuit and charging method based on flexible charging technology |
-
2020
- 2020-08-26 CN CN202010873092.XA patent/CN111959334A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116215288A (en) * | 2022-10-26 | 2023-06-06 | 国创巨湾(广州)能源科技有限公司 | Super-charging circuit and charging method based on flexible charging technology |
| CN116215288B (en) * | 2022-10-26 | 2023-11-14 | 国创巨湾(广州)能源科技有限公司 | Super-charging circuit and charging method based on flexible charging technology |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201120 |
|
| WW01 | Invention patent application withdrawn after publication |