CN110014916B - Vehicle direct-current charging system and method based on energy equalizing charge - Google Patents
Vehicle direct-current charging system and method based on energy equalizing charge Download PDFInfo
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- CN110014916B CN110014916B CN201710780376.2A CN201710780376A CN110014916B CN 110014916 B CN110014916 B CN 110014916B CN 201710780376 A CN201710780376 A CN 201710780376A CN 110014916 B CN110014916 B CN 110014916B
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- 238000007600 charging Methods 0.000 title claims abstract description 232
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 29
- 230000003993 interaction Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 24
- 238000009413 insulation Methods 0.000 claims description 18
- 238000012544 monitoring process Methods 0.000 claims description 15
- 230000008672 reprogramming Effects 0.000 claims description 9
- 238000005215 recombination Methods 0.000 claims 1
- 230000006798 recombination Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
-
- 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
-
- 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
- B60L53/64—Optimising energy costs, e.g. responding to electricity rates
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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
- Y02T90/14—Plug-in 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a vehicle direct current charging system and method based on energy equalizing charge, wherein the system comprises a comprehensive control unit, a charging muzzle unit, a communication data interaction unit and a charging core module; the charging gun port unit at least comprises a first charging gun and a second charging gun, wherein the first charging gun and the second charging gun are respectively used for being inserted into a first vehicle and a second vehicle and acquiring charging data of the corresponding vehicles; the integrated control unit comprises an integrated controller and an energy balance charging module, and the communication data interaction unit is used for transmitting the acquired charging data to the integrated controller; the energy balance charging module is used for carrying out charge balance energy allocation according to the charging data so as to adjust the electric power output by the charging core module to the first vehicle and the second vehicle; according to the invention, the charging current can be reasonably adjusted and matched according to the demand current of the BMS of the vehicle, so that the batteries of the first vehicle and the second vehicle can be better energy-supplemented, and the charging efficiency is improved.
Description
Technical Field
The invention relates to the technical field of vehicle charging, in particular to a vehicle direct current charging system and method based on energy equalizing charge.
Background
The existing electric vehicle charging widely adopts a double-gun (gun A and gun B) constant-voltage constant-current charging mode with fixed number of chargers and fixed output power. In the limited current range of the charging gun, when the gun A and the gun B charge two vehicles simultaneously, the two vehicles cannot achieve the optimal charging efficiency due to the limitation of the respective output power of the gun A and the gun B. The charging mode can lead to overlong vehicle charging time, overlong charging efficiency of the charging pile, unbalanced work of the charging pile A gun and the charging pile B gun, and influence the operation efficiency of the charging pile A gun and the charging pile B gun.
Disclosure of Invention
In order to overcome the problems of the prior art, the main object of the present invention is to provide a vehicle direct current charging system based on energy balance charging, which can reasonably adjust and match charging current according to the required current of a vehicle battery management system, thereby improving charging efficiency.
In order to achieve the above purpose, the present invention specifically adopts the following technical scheme:
The invention provides a vehicle direct current charging system based on energy equalizing charge, which comprises a comprehensive control unit, a charging muzzle unit, a communication data interaction unit, a direct current output unit, a vehicle charging control module and a charging core module, wherein the comprehensive control unit is used for controlling the charging muzzle unit to charge the vehicle;
The charging gun port unit at least comprises a first charging gun and a second charging gun, wherein the first charging gun is used for being connected with a first vehicle in an inserting mode, and the second charging gun is used for being connected with a second vehicle in an inserting mode; the input end of the direct current output unit is connected with the charging core module, and the output end of the direct current output unit is respectively connected with the first charging gun and the second charging gun; the comprehensive control unit comprises a comprehensive controller and an energy equalizing charge module, and the comprehensive controller is connected with the energy equalizing charge module; the communication data interaction unit is respectively connected with the integrated controller, the first charging gun and the second charging gun;
The vehicle charging control module is respectively connected with the energy equalizing charging module and the charging core module, and the energy equalizing charging module is used for allocating the electric power charged by the charging core module to the first vehicle and the second vehicle according to the charging data of the first vehicle and the second vehicle.
Preferably, the energy storage device further comprises an energy output module, wherein the input end of the energy output module is connected with the charging core module, the output end of the energy output module is connected with the direct current output unit, the charging core module comprises a module output group switching unit and a module group communication allocation unit, the module group communication allocation unit is used for carrying out module group number and logic communication address reprogramming on the energy output module according to a control signal output by the vehicle control unit, and the module output group switching unit is used for carrying out direct current output bus switching according to the re-programmed energy output module.
Preferably, the integrated control unit further comprises an auxiliary power supply control and electromagnetic lock control module, the auxiliary power supply control and electromagnetic lock control module is respectively connected with the integrated controller, the first charging gun and the second charging gun, the integrated controller is used for controlling the auxiliary power supply control and electromagnetic lock control module to lock the interface between the first charging gun and the first vehicle and the interface between the second charging gun and the second vehicle, and simultaneously, electric energy is provided for battery management systems of the first vehicle and the second vehicle.
Preferably, the integrated control unit further comprises an insulation detection functional module, the insulation detection functional module is connected with the integrated controller, and the insulation detection module is used for detecting insulation data of direct current output of the charging system and transmitting the insulation data to the integrated controller.
Preferably, the integrated control unit further includes a switching value detection function module, the switching value detection function module is connected with the integrated controller, and the switching value detection function module is used for detecting switching state data of the charging system and transmitting the switching state data to the integrated controller.
Preferably, the vehicle charging monitoring system further comprises a vehicle charging monitoring module, wherein the vehicle charging monitoring module is respectively connected with the direct current output unit and the energy balance charging module, and the vehicle charging monitoring module monitors charging output data of the direct current output unit and feeds the charging output data back to the energy balance charging module.
Correspondingly, the invention also provides a vehicle direct current charging method based on energy equalizing charge, which comprises the following steps:
S11, the system establishes physical connection with at least two vehicles to be charged through the charging gun and determines that the physical connection is reliable;
s12, acquiring charging data of each vehicle to be charged through the physical connection and determining that the charging data is matched with a system;
s13, determining that the insulativity of the system charging direct current output and the system switching state are normal;
s14, charging each vehicle to be charged and allocating the electric power output by the system to each vehicle to be charged according to the charging data of each vehicle;
the charging data comprise electric quantity data of the vehicle, charging voltage of the vehicle and charging current of the vehicle.
Preferably, in the step S14, each vehicle to be charged is charged, and the electric power output by the system to each vehicle to be charged is allocated according to the charging data of each vehicle, specifically:
The system charges each vehicle to be charged; and simultaneously, reprogramming the module group number and the logic communication address of the energy output module in the system according to the charging data of each vehicle, and simultaneously, switching the direct current output bus according to the energy output module after the reprogramming.
Preferably, the method further comprises the steps of: and S15, monitoring charging output analog data of the system in real time, and feeding back the charging output analog data in a data message mode after operation.
According to the direct current charging system, the charging demand electric quantity data of two vehicles are monitored in real time through the communication data interaction unit, and the electric quantity data are transmitted to the comprehensive controller, so that the comprehensive controller can control the energy balance charging module to carry out charging balance energy allocation according to the electric quantity demand conditions of the two vehicles, and further the vehicle charging control module is used for controlling the charging core module to allocate the electric power output by the charging core module to the first vehicle and the second vehicle. The charging current is reasonably adjusted and matched according to the demand current of the BMS (battery management system) of the vehicle, so that the batteries of the first vehicle and the second vehicle can be better energy-supplemented, the charging efficiency is improved, meanwhile, the electric pile resources can be fully utilized, and the loss cost can be reduced.
Drawings
Fig. 1 is a schematic diagram of a vehicle dc charging system based on energy equalizing charge according to an embodiment of the present invention;
fig. 2 is a flowchart of a vehicle direct current charging method based on energy equalizing charge according to an embodiment of the present invention;
In the figure: 1. a comprehensive control unit; 11. a comprehensive controller; 12. the auxiliary power supply control and electromagnetic lock control module; 13. an energy equalizing charge module; 14. an insulation detection function module; 15. a switching value detection function module; 2. a charging muzzle unit; 21. a first charging gun; 22. a second charging gun; 3. a communication data interaction unit; 4. a vehicle charge control module; 5. a charging core module; 51. a module output group switching unit; 52. a module group communication allocation unit; 6. a vehicle charge monitoring module; 7. an energy output module; 8. and a direct current output unit.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The embodiment discloses a vehicle direct current charging system based on energy equalizing charge, and the system comprises a comprehensive control unit 1, a charging muzzle unit 2, a communication data interaction unit 3, a vehicle charging control module 4, a charging core module 5, a vehicle charging monitoring module 6, an energy output module 7 and a direct current output unit 8. The charging gun port unit 2 at least comprises a first charging gun 21 and a second charging gun 22, wherein the first charging gun 21 is used for being inserted into a first vehicle to establish physical connection with the first vehicle, and the second charging gun 22 is used for being inserted into a second vehicle to establish physical connection with the second vehicle, so that the first vehicle and the second vehicle are charged through the first charging gun 21 and the second charging gun 22 respectively, and charging data of the first vehicle and the second vehicle are obtained. The integrated control unit 1 comprises an integrated controller 11 and an energy balance charging module 13 connected with the integrated controller 11, and the communication data interaction unit 3 is respectively connected with the first charging gun 21, the second charging gun 22 and the integrated controller 11; the charging core module 5 is respectively connected with the first charging gun 21 and the second charging gun 22 through the direct current output unit 8, converts the commercial power into voltage and current suitable for vehicles, outputs electric energy to the first charging gun 21 and the second charging gun 22, and charges the first vehicle and the second vehicle. The vehicle charging control module 4 is respectively connected with the charging core module 5 and the energy equalizing charging module 13, so that the communication data interaction unit 3 is used for continuous gun detection to ensure the reliability of the physical connection between the charging gun and the vehicle, and meanwhile, the communication data interaction unit 3 is used for transmitting the charging data of the first vehicle and the second vehicle to the integrated controller 11, so that the integrated controller 11 can control the energy equalizing charging module 13 to carry out charging equalizing energy allocation according to the charging data of the first vehicle and the second vehicle, namely, the electric quantity demand condition, and then the vehicle charging control module 4 is used for controlling the charging core module 5 to allocate the electric power output by the charging core module 5 to the first charging gun 21 and the second charging gun 22.
In this embodiment, the vehicle charging device further includes an energy output module 7, the energy output module 7 is respectively connected with the charging core module 5 and the dc output unit 8, and the charging core module 5 includes a module output group switching unit 51 and a module group communication allocation unit 52, so that according to the charging equalization energy allocation condition of the energy equalization charging module 13, the module group number and the logical communication address of the energy output module 7 are reprogrammed by the module group communication allocation unit 52, and the dc output bus switching is performed on the reprogrammed energy output module 7 by the module output group switching unit 51, thereby realizing the adjustment of the electric power charged by the first vehicle and the second vehicle.
The integrated control unit 1 further comprises an auxiliary power supply control module 12, an electromagnetic lock control module 14, an insulation detection function module 14 and a switching value detection function module 15. The auxiliary power supply control and electromagnetic lock control module 12 is respectively connected with the first charging gun 21, the second charging gun 22 and the integrated controller 11, and the insulation detection function module 14 and the switching value detection function module 15 are respectively connected with the integrated controller 11. The auxiliary power control and electromagnetic lock control module 12 locks the connection ports of the first charging gun 21 and the first vehicle and the connection ports of the second charging gun 22 and the second vehicle, and simultaneously supplies power to Battery Management Systems (BMS) of the first vehicle and the second vehicle; the insulation of the charging dc output of the charging system is detected by the insulation detection function module 14, and the switching conditions of all the switches of the charging system are detected by the switching amount detection function module 15.
In order to monitor the charging output data of the dc output unit 8, such as the charging output voltage, the charging output current, etc., in real time. In the present embodiment, a vehicle charging monitoring module 6 is further provided, and the vehicle charging monitoring module 6 is connected to the dc output unit 8 and the energy equalizing charge module 13, respectively. The output charging data of the direct current output unit 8 is monitored in real time through the vehicle charging monitoring module 6 and fed back to the energy equalizing charging module 13.
In the specific charging process, after the first vehicle and the second vehicle are parked in place, the first charging gun 21 and the second charging gun 22 are respectively inserted into the first vehicle and the second vehicle to establish physical connection, and the communication data interaction unit 3 is used for continuous gun detection to confirm that the first charging gun 21 is reliably connected with the first vehicle and the second charging gun 22 is reliably connected with the second vehicle. And then the auxiliary power supply control and electromagnetic lock control module 12 locks the connection ports of each charging gun and the corresponding vehicle and respectively supplies power to the battery management system of each vehicle. At this time, the integrated controller 11 performs data interaction and charge data matching with each vehicle through the communication data interaction unit 3 and the charging gun, such as whether the charge voltage and the charge current of the charged vehicle match with the charge output voltage and the charge output current of the system. After the matching is successful, the integrated controller 11 starts the insulation detection function module 14 to detect the DC output insulation of the system, and then starts the switching value detection function module 15 to detect all the switching state conditions of the system, after confirming that the insulation and the switching state of the system are not abnormal, the integrated controller 11 starts the energy equalizing charge module 13, otherwise, the vehicle charging is terminated.
After the energy equalizing charge module 13 is started, the communication data interaction unit 3 transmits charge demand electric quantity data of each vehicle to the comprehensive controller 11 in real time, the energy equalizing charge module 13 performs charge equalizing energy allocation according to the charge demand electric quantity data of each vehicle and controls the vehicle charge control module 4, so that the charge core module 5 performs corresponding module group number and logic communication address reprogramming on the energy output module 7, and performs direct current output bus switching according to the re-encoded energy output module 7, so that allocation of output electric power of the first charge gun 21 and the second charge gun 22 is realized. Meanwhile, charging output data of the system, including charging output voltage, charging output current and the like, are detected in real time through the vehicle charging monitoring module 6 and fed back to the energy equalizing charging module 13, so that the energy equalizing charging module 13 can realize closed-loop energy adjustment, the system can reliably and stably charge vehicles, and each vehicle achieves optimal charging efficiency.
Correspondingly, the implementation also provides a vehicle direct current charging method based on energy equalizing charge, which comprises the following steps:
S11, the system establishes physical connection with at least two vehicles to be charged through the charging gun and determines that the physical connection is reliable;
s12, acquiring charging data of each vehicle to be charged through the physical connection and determining that the charging data is matched with a system;
the charging data comprise electric quantity data of the vehicle, charging voltage of the vehicle and charging current of the vehicle.
S13, determining that the insulativity of the system charging direct current output and the system switching state are normal;
s14, charging each vehicle to be charged and allocating the electric power output by the system to each vehicle to be charged according to the charging data of each vehicle;
Specifically, the system charges each vehicle to be charged; and simultaneously, reprogramming the module group number and the logic communication address of the energy output module in the system according to the charging data of each vehicle, and simultaneously, switching the direct current output bus according to the energy output module after the reprogramming.
And S15, monitoring charging output analog data of the system in real time, and feeding back the charging output analog data in a data message mode after operation.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (7)
1. The vehicle direct current charging system based on energy equalizing charge is characterized by comprising a comprehensive control unit, a charging muzzle unit, a communication data interaction unit, a direct current output unit, a vehicle charging control module and a charging core module;
The charging gun port unit at least comprises a first charging gun and a second charging gun, wherein the first charging gun is used for being connected with a first vehicle in an inserting mode, and the second charging gun is used for being connected with a second vehicle in an inserting mode; the input end of the direct current output unit is connected with the charging core module, and the output end of the direct current output unit is respectively connected with the first charging gun and the second charging gun; the comprehensive control unit comprises a comprehensive controller and an energy equalizing charge module, and the comprehensive controller is connected with the energy equalizing charge module; the communication data interaction unit is respectively connected with the integrated controller, the first charging gun and the second charging gun;
The vehicle charging control module is respectively connected with the energy equalizing charging module and the charging core module, and the energy equalizing charging module is used for allocating the electric power charged by the charging core module to the first vehicle and the second vehicle according to the charging data of the first vehicle and the second vehicle;
The vehicle direct current charging system further comprises an energy output module, the charging core module is connected with the direct current output unit through the energy output module, the charging core module comprises a module output group switching unit and a module group communication allocation unit, the module group communication allocation unit is used for carrying out module group number and logic communication address reprogramming on the energy output module according to a control signal output by the vehicle control unit, and the module output group switching unit is used for carrying out direct current output bus switching according to the energy output module after the recombination;
The integrated control unit further comprises an auxiliary power supply control and electromagnetic lock control module, the auxiliary power supply control and electromagnetic lock control module is respectively connected with the integrated controller, the first charging gun and the second charging gun, the interface between the first charging gun and the first vehicle and the interface between the second charging gun and the second vehicle are locked by the integrated controller, and meanwhile, electric energy is supplied to battery management systems of the first vehicle and the second vehicle.
2. The vehicle dc charging system based on energy equalizing charge according to claim 1, wherein the integrated control unit further comprises an insulation detection function module, the insulation detection function module is connected to the integrated controller, and the insulation detection function module is configured to detect insulation data of the dc output of the charging system and transmit the insulation data to the integrated controller.
3. The energy equalizing charge-based vehicle direct current charging system according to claim 2, wherein the integrated control unit further comprises a switching value detection function module, the switching value detection function module is connected with the integrated controller, and the switching value detection function module is used for detecting switching state data of the charging system and transmitting the switching state data to the integrated controller.
4. A vehicle direct current charging system based on energy equalizing charge according to any one of claims 1 to 3, further comprising a vehicle charge monitoring module connected to the direct current output unit and the energy equalizing charge module, respectively, wherein the vehicle charge monitoring module monitors charge output data of the direct current output unit and feeds the charge output data back to the energy equalizing charge module.
5. A charging method of a vehicle direct current charging system based on energy equalizing charge according to any one of claims 1 to 4, characterized by comprising the steps of:
S11, the system establishes physical connection with at least two vehicles to be charged through the charging gun and determines that the physical connection is reliable;
s12, acquiring charging data of each vehicle to be charged through the physical connection and determining that the charging data is matched with a system;
s13, determining that the insulativity of the system charging direct current output and the system switching state are normal;
s14, charging each vehicle to be charged and allocating the electric power output by the system to each vehicle to be charged according to the charging data of each vehicle;
the charging data comprise electric quantity data of the vehicle, charging voltage of the vehicle and charging current of the vehicle.
6. The method for dc charging a vehicle according to claim 5, wherein the step S14 is to charge each vehicle to be charged and allocate the electric power output by the system to each vehicle to be charged according to the charging data of each vehicle specifically comprises:
The system charges each vehicle to be charged; and simultaneously, reprogramming the module group number and the logic communication address of the energy output module in the system according to the charging data of each vehicle, and simultaneously, switching the direct current output bus according to the energy output module after the reprogramming.
7. The energy equalizing charge-based vehicle direct current charging method according to claim 5, further comprising the steps of:
and S15, monitoring charging output analog data of the system in real time, and feeding back the charging output analog data in a data message mode after operation.
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| CN201710780376.2A CN110014916B (en) | 2017-09-01 | 2017-09-01 | Vehicle direct-current charging system and method based on energy equalizing charge |
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| CN207433308U (en) * | 2017-09-01 | 2018-06-01 | 珠海银隆电器有限公司 | A kind of vehicle DC charging system to be charged based on balancing energy |
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| CN106627192A (en) * | 2016-09-12 | 2017-05-10 | 易充新能源（深圳）有限公司 | Charging system and charging method thereof |
| CN113022342B (en) * | 2016-11-03 | 2022-08-09 | 上海追日电气有限公司 | Intelligent power distribution quick charger and control method thereof |
| CN106787059A (en) * | 2017-02-20 | 2017-05-31 | 山东鲁能智能技术有限公司 | A kind of charging system of electric automobile |
| CN106945539A (en) * | 2017-04-18 | 2017-07-14 | 中天昱品科技有限公司 | A kind of electric automobile automated power distribution direct current quick charger and its control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207433308U (en) * | 2017-09-01 | 2018-06-01 | 珠海银隆电器有限公司 | A kind of vehicle DC charging system to be charged based on balancing energy |
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| CN110014916A (en) | 2019-07-16 |
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