CN112078428A - Battery charging control method of pure electric vehicle - Google Patents
Battery charging control method of pure electric vehicle Download PDFInfo
- Publication number
- CN112078428A CN112078428A CN202010985945.9A CN202010985945A CN112078428A CN 112078428 A CN112078428 A CN 112078428A CN 202010985945 A CN202010985945 A CN 202010985945A CN 112078428 A CN112078428 A CN 112078428A
- Authority
- CN
- China
- Prior art keywords
- charging
- battery
- vehicle
- obc
- voltage
- Prior art date
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 claims description 4
- 230000009194 climbing Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000002618 waking effect Effects 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B60L53/20—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 converters located in the vehicle
-
- 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
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- 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
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a battery charging control method of a pure electric vehicle, which specifically comprises the following steps: s1, the battery management system BMS controls the main and negative relays to be closed based on the charging flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a current mode, namely controls the vehicle-mounted charger OBC to charge at a constant current; and S2, the battery management system BMS controls the main and negative relays to be disconnected based on the charging prohibition flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a voltage mode, namely the output voltage of the vehicle-mounted charger OBC is the same as the output voltage of the power battery. When the main and negative relays are disconnected, the OBC works in a voltage mode, the voltage of the OBC is consistent with that of the power battery pack, and the phenomenon that the main and negative relays are closed to generate electric arcs to influence safety due to the fact that voltage difference exists between the power battery and the OBC when charging is started is avoided; when the main and negative relays are closed, the OBC works in a constant current mode, and the maximum charging efficiency and safety are guaranteed.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a battery charging control method of a pure electric automobile.
Background
At present, a charging and electrifying control method for a power battery of a pure electric vehicle mainly comprises that a VCU judges whether the power battery is in a charging permission condition or not according to the state of the whole vehicle, if so, a main positive relay and a main negative relay are closed to charge and electrify the power battery, otherwise, the main positive relay and the main negative relay are forbidden to be closed to wait for a next charging and electrifying instruction. In the prior art, when the power battery is judged to be allowed to be charged, the main positive relay and the main negative relay are directly closed, so that the two ends of the relay have a large voltage difference value, sparks are generated, and the relay is damaged. Instantaneous high voltage and strong current can also damage the power battery and charging loop components, so that the service life of the power battery and the charging loop components is shortened, and potential safety hazards are increased.
Disclosure of Invention
The invention provides a battery charging control method of a pure electric vehicle, aiming at solving the problems.
The invention is realized in such a way that a battery charging control method of a pure electric vehicle specifically comprises the following steps:
s1, the battery management system BMS controls the main and negative relays to be closed based on the charging flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a current mode, namely controls the vehicle-mounted charger OBC to charge at a constant current;
and S2, the battery management system BMS controls the main and negative relays to be disconnected based on the charging prohibition flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a voltage mode, namely the output voltage of the vehicle-mounted charger OBC is the same as the output voltage of the power battery.
Further, the current of the vehicle-mounted charger OBC is the minimum value of the sum of the maximum allowable charging current of the OBC, the maximum allowable charging current of the battery management system BMS and the PTC consumption current value.
Further, before the on-board charger OBC enters the constant current mode, the method further comprises the following steps:
s3, the battery management system BMS controls the closing of a pre-charging relay based on the charging flag bit, namely, the pre-charging process of the power battery is started;
and S4, when the battery management system BMS detects that the voltage difference between the voltage value of the direct current bus terminal and the voltage of the power battery pack terminal is smaller than the voltage difference threshold value, executing the step S1.
Further, before step S4, the method further includes:
s5, after the charging gun is inserted, the HVCM module is awakened, and the three-in-one module is powered;
s6, performing self-checking after the HVCM is awakened, outputting charging awakening if the self-checking is normal, and awakening the VCU and the BMS of the vehicle controller;
s7, performing self-checking after the battery management system BMS and the vehicle control unit VCU are awakened, and reporting a self-checking state by a bus;
and S8, when the vehicle state allows high-voltage electrification, the VCU sends a charging flag bit.
Further, after the charging is completed, the following steps are executed:
and (4) closing the switch S2, outputting 220V room electricity to the vehicle-mounted charger OBC after the charging gun detects that the switch S2 is closed, and gradually climbing to 220V by the input voltage of the vehicle-mounted charger OBC.
Further, when the temperature of the power battery is too low, the battery management system BMS generates a charging prohibition flag bit and controls the PTC to heat the power battery, wherein the heating power is the minimum value of the power demand of the battery and the passenger compartment and the maximum power output rate value of the OBC.
The pure electric vehicle power battery charging power-on control system and the method provided by the invention mainly have the following advantages: VCM, BMS and VCU have self-checking after waking up, avoid sending the wrong order and causing the maloperation because HVCM, BMS, VCU break down; through the gradual reduction of the pre-charging resistance of the pre-charging loop, the BMS voltage is gradually increased to be close to the voltage value of the direct-current bus terminal, the power battery and the charging loop component are protected, and the safety is improved; when the main and negative relays are disconnected, the OBC works in a voltage mode, the voltage of the OBC is consistent with that of the power battery pack, and the phenomenon that the main and negative relays are closed to generate electric arcs to influence safety due to the fact that voltage difference exists between the power battery and the OBC when charging is started is avoided; when the main and negative relays are closed, the OBC works in a constant current mode, and the maximum charging efficiency and safety are guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a battery charging control system of a pure electric vehicle according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a power battery pack according to an embodiment of the invention;
fig. 3 is a flowchart of a battery charging control method for a pure electric vehicle according to an embodiment of the present invention;
fig. 4 is an interaction diagram of a battery charging control method of a pure electric vehicle according to an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in order to provide those skilled in the art with a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention.
Fig. 1 is a schematic structural diagram of a battery charging control system of a pure electric vehicle according to an embodiment of the present invention, and for convenience of description, only parts related to the embodiment of the present invention are shown.
The system comprises: the power battery pack and the battery management system BMS are in communication connection with the power battery pack, the circuit diagram of the battery management system BMS and the VCU and HVCM (three-in-one power supply assembly, abbreviated as HVCM) power battery pack of the whole vehicle controller is shown in FIG. 2, and F1-F3 are fuses.
Fig. 3 is a flowchart of a battery charging control method for a pure electric vehicle according to an embodiment of the present invention, and the method is described with reference to fig. 4, where the method specifically includes:
s1, the battery management system BMS controls the main and negative relays to be closed based on the charging flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a current mode, namely controls the vehicle-mounted charger OBC to charge at a constant current;
in the embodiment of the present invention, the constant current here means that the charging current value of the on-board charger OBC fluctuates little in a short time, and the current of the on-board charger OBC is min (the maximum allowable diluted current of the OBC, the maximum allowable charging current of the battery management system BMS + the PTC consumption current value), so as to ensure the maximum charging efficiency and the safety.
In the embodiment of the invention, in the charging process, before the on-board charger OBC enters the constant current mode, the method further comprises the following steps:
s3, the battery management system BMS controls the closing of a pre-charging relay based on the charging flag bit, namely, the pre-charging process of the power battery is started;
and S4, when the battery management system BMS detects that the voltage difference between the voltage value of the direct current bus terminal and the voltage of the power battery pack terminal is smaller than the voltage difference threshold value, executing the step S1.
Before step S4, the method further includes:
s5, after a charging gun is plugged in (CP signal), waking up an HVCM module and supplying power to a three-in-one module;
s6, performing self-checking after the HVCM is awakened, outputting charging awakening if the self-checking is normal, and awakening the VCU and the BMS of the vehicle controller;
s7, performing self-checking after the battery management system BMS and the vehicle control unit VCU are awakened, and reporting a self-checking state by a bus;
and S8, when the vehicle state allows high-voltage electrification, the VCU sends a charging flag bit.
In the embodiment of the present invention, after the charging is completed, the following steps are performed:
after HVCM detects that the battery pack is electrified in high voltage, the switch S2 is closed, and the vehicle-mounted charger OBC is connected with the main positive relay, the high-voltage accessories and the like through the switch S2 (national standard requirement);
and S9, outputting 220V room electricity to the vehicle-mounted charger OBC after the charging gun end detects that the switch S2 is closed, and gradually climbing the input voltage of the vehicle-mounted charger OBC to 220V.
S2, the battery management system BMS controls the main and negative relays to be disconnected based on the charging prohibition flag, and the HVCM controls the vehicle-mounted charger OBC to enter a voltage mode, namely the output voltage of the vehicle-mounted charger OBC is the same as that of the power battery, so that the phenomenon that the main and negative relays are closed to generate electric arcs to influence safety due to the fact that voltage difference exists between the power battery and the vehicle-mounted charger OBC when charging is started is avoided.
In the embodiment of the invention, when the temperature of the power battery is too low, the battery management system BMS generates the charging prohibition flag bit, and controls the PTC to heat the power battery, wherein the heating power is min (power requirement of the battery and a passenger compartment, and maximum power output rate value of the OBC), so that the power battery is ensured to be rapidly heated, and the OBC is not overloaded. And when the temperature of the power battery is in the working temperature range, controlling the main and negative relays to be closed.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (6)
1. A battery charging control method of a pure electric vehicle is characterized by specifically comprising the following steps:
s1, the battery management system BMS controls the main and negative relays to be closed based on the charging flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a current mode, namely controls the vehicle-mounted charger OBC to charge at a constant current;
and S2, the battery management system BMS controls the main and negative relays to be disconnected based on the charging prohibition flag bit, and the HVCM controls the vehicle-mounted charger OBC to enter a voltage mode, namely the output voltage of the vehicle-mounted charger OBC is the same as the output voltage of the power battery.
2. The battery charging control method for the electric vehicle according to claim 1, wherein the current of the vehicle-mounted charger OBC is the minimum value of the sum of the maximum allowable charging current of the OBC, the maximum allowable charging current of the battery management system BMS and the PTC consumption current value.
3. The battery charging control method of the pure electric vehicle as claimed in claim 1 or 2, characterized in that before the on-board charger OBC enters the constant current mode, the method further comprises the following steps:
s3, the battery management system BMS controls the closing of a pre-charging relay based on the charging flag bit, namely, the pre-charging process of the power battery is started;
and S4, when the battery management system BMS detects that the voltage difference between the voltage value of the direct current bus terminal and the voltage of the power battery pack terminal is smaller than the voltage difference threshold value, executing the step S1.
4. The battery charging control method for a pure electric vehicle according to claim 3, further comprising, before step S4:
s5, after the charging gun is inserted, the HVCM module is awakened, and the three-in-one module is powered;
s6, performing self-checking after the HVCM is awakened, outputting charging awakening if the self-checking is normal, and awakening the VCU and the BMS of the vehicle controller;
s7, performing self-checking after the battery management system BMS and the vehicle control unit VCU are awakened, and reporting a self-checking state by a bus;
and S8, when the vehicle state allows high-voltage electrification, the VCU sends a charging flag bit.
5. The battery charging control method of a pure electric vehicle according to claim 1 or 2, wherein after the charging is completed, the following steps are performed:
and (4) closing the switch S2, outputting 220V room electricity to the vehicle-mounted charger OBC after the charging gun detects that the switch S2 is closed, and gradually climbing to 220V by the input voltage of the vehicle-mounted charger OBC.
6. The battery charging control method for the electric vehicle according to claim 1, wherein when the temperature of the power battery is too low, the battery management system BMS generates the charging prohibition flag to control the PTC to heat the power battery, and the heating power is the minimum value between the power demand of the battery and the passenger compartment and the maximum power output rate of the OBC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985945.9A CN112078428A (en) | 2020-09-18 | 2020-09-18 | Battery charging control method of pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985945.9A CN112078428A (en) | 2020-09-18 | 2020-09-18 | Battery charging control method of pure electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112078428A true CN112078428A (en) | 2020-12-15 |
Family
ID=73736576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010985945.9A Pending CN112078428A (en) | 2020-09-18 | 2020-09-18 | Battery charging control method of pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112078428A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113291156A (en) * | 2021-06-30 | 2021-08-24 | 东风汽车集团股份有限公司 | High-voltage power distribution system of pure electric vehicle |
| CN114211978A (en) * | 2021-12-14 | 2022-03-22 | 华人运通(江苏)技术有限公司 | Charging power distribution method, system, equipment and storage medium for electric automobile |
| CN114228572A (en) * | 2021-12-14 | 2022-03-25 | 法法汽车(中国)有限公司 | Battery pack heating control device and method and vehicle |
| CN114475289A (en) * | 2022-02-28 | 2022-05-13 | 西安特来电领充新能源科技有限公司 | Online charging control method |
| CN114670691A (en) * | 2021-03-23 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410131A (en) * | 2014-12-17 | 2015-03-11 | 安徽安凯汽车股份有限公司 | Vehicle-mounted mobile charge system and mobile charge control method thereof |
| CN106965700A (en) * | 2017-04-28 | 2017-07-21 | 北京新能源汽车股份有限公司 | Electric automobile heating charging circuit and charging method |
| CN108116255A (en) * | 2017-12-06 | 2018-06-05 | 中能绿驰成都汽车科技有限公司 | A kind of vehicle-mounted charge control method suitable for new-energy automobile |
| WO2020052422A1 (en) * | 2018-09-14 | 2020-03-19 | Chang Donald C | A multi-functional charging and energy-storage system, rapidly charging methods and electric vehicles using such a system |
| CN111137150A (en) * | 2018-11-02 | 2020-05-12 | 北汽福田汽车股份有限公司 | Charging control method and vehicle-mounted charger |
| CN111251929A (en) * | 2020-02-21 | 2020-06-09 | 国网浙江省电力有限公司杭州供电公司 | Flexible power distribution method of modular direct current charging pile |
| CN111284366A (en) * | 2020-03-02 | 2020-06-16 | 山东汽车制造有限公司 | Power battery charging heating circuit, control method thereof and electric automobile |
-
2020
- 2020-09-18 CN CN202010985945.9A patent/CN112078428A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410131A (en) * | 2014-12-17 | 2015-03-11 | 安徽安凯汽车股份有限公司 | Vehicle-mounted mobile charge system and mobile charge control method thereof |
| CN106965700A (en) * | 2017-04-28 | 2017-07-21 | 北京新能源汽车股份有限公司 | Electric automobile heating charging circuit and charging method |
| CN108116255A (en) * | 2017-12-06 | 2018-06-05 | 中能绿驰成都汽车科技有限公司 | A kind of vehicle-mounted charge control method suitable for new-energy automobile |
| WO2020052422A1 (en) * | 2018-09-14 | 2020-03-19 | Chang Donald C | A multi-functional charging and energy-storage system, rapidly charging methods and electric vehicles using such a system |
| CN111137150A (en) * | 2018-11-02 | 2020-05-12 | 北汽福田汽车股份有限公司 | Charging control method and vehicle-mounted charger |
| CN111251929A (en) * | 2020-02-21 | 2020-06-09 | 国网浙江省电力有限公司杭州供电公司 | Flexible power distribution method of modular direct current charging pile |
| CN111284366A (en) * | 2020-03-02 | 2020-06-16 | 山东汽车制造有限公司 | Power battery charging heating circuit, control method thereof and electric automobile |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670691A (en) * | 2021-03-23 | 2022-06-28 | 北京新能源汽车股份有限公司 | Charging control method and device and vehicle |
| CN113291156A (en) * | 2021-06-30 | 2021-08-24 | 东风汽车集团股份有限公司 | High-voltage power distribution system of pure electric vehicle |
| CN114211978A (en) * | 2021-12-14 | 2022-03-22 | 华人运通(江苏)技术有限公司 | Charging power distribution method, system, equipment and storage medium for electric automobile |
| CN114228572A (en) * | 2021-12-14 | 2022-03-25 | 法法汽车(中国)有限公司 | Battery pack heating control device and method and vehicle |
| CN114211978B (en) * | 2021-12-14 | 2023-07-14 | 华人运通(江苏)技术有限公司 | Charging power distribution method, system, equipment and storage medium of electric automobile |
| CN114475289A (en) * | 2022-02-28 | 2022-05-13 | 西安特来电领充新能源科技有限公司 | Online charging control method |
| CN114475289B (en) * | 2022-02-28 | 2024-02-02 | 西安领充无限新能源科技有限公司 | Online charging control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112078428A (en) | Battery charging control method of pure electric vehicle | |
| CN110077281B (en) | Charging and heating method and system for power battery of plug-in hybrid electric vehicle | |
| CN111284366B (en) | Power battery charging and heating loop, control method thereof and electric automobile | |
| CN112009303A (en) | Control system and method for electric vehicle discharge control | |
| KR20180045954A (en) | Battery management system and the controlling method thereof | |
| CN103682519B (en) | Low-temperature environment of electric vehicle heating means | |
| KR20120062956A (en) | High voltage system of electric vehicles | |
| CN101389505A (en) | Electrically driven vehicle | |
| KR20130078954A (en) | Battery management system and charger and charging system for vehicle including the sames, and control method thereof | |
| CN110406394A (en) | A kind of high pressure management system of pure electric vehicle commercial vehicle | |
| KR20180069206A (en) | Controlling method and system for on board charger of vehicle | |
| CN111546938B (en) | Vehicle hybrid storage battery management system and method | |
| CN116142015A (en) | Power battery charging system and low-temperature charging control strategy thereof | |
| CN216805183U (en) | Battery control circuit and electric automobile | |
| CN110962605B (en) | Junction box control device | |
| CN216993911U (en) | High-voltage system of electric automobile and electric automobile | |
| KR20220140462A (en) | An electric vehicle comprising a charger and a controller for exchanging charging-related information | |
| CN214689116U (en) | Power battery high-voltage system and electric automobile | |
| CN112208381B (en) | New energy automobile charging system control circuit and control method | |
| CN112895980B (en) | New energy automobile low-temperature charging method and device | |
| CN211054968U (en) | Battery charging control circuit and electric automobile | |
| JP5478696B1 (en) | Electric vehicle and charge / discharge control method for electric vehicle | |
| CN215097120U (en) | Pre-charging system for hydrogen energy automobile fuel cell bus | |
| CN213484540U (en) | Driving system, controller and new energy automobile | |
| CN220022369U (en) | Power battery system and engineering machinery |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201215 |
|
| RJ01 | Rejection of invention patent application after publication |