CN112761844A - Low-temperature cold start control system and control method for unmanned hybrid vehicle - Google Patents
Low-temperature cold start control system and control method for unmanned hybrid vehicle Download PDFInfo
- Publication number
- CN112761844A CN112761844A CN202110060855.3A CN202110060855A CN112761844A CN 112761844 A CN112761844 A CN 112761844A CN 202110060855 A CN202110060855 A CN 202110060855A CN 112761844 A CN112761844 A CN 112761844A
- Authority
- CN
- China
- Prior art keywords
- low
- control module
- starting
- voltage
- lithium battery
- 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
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
- F02N11/0807—Remote means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention belongs to the field of new energy vehicle electronic control, and discloses a low-temperature cold start control system of an unmanned hybrid vehicle, which is characterized by comprising the following components: the device comprises a comprehensive control module, a wireless control module, a starting control module and a power management module; the power supply management module comprises a high-voltage lithium battery, a low-voltage lithium battery and a power supply conversion control unit; the wireless control module comprises a remote control end, a radio station and a switch; the starting control module comprises a starting and power generation integrated machine controller and a starting and power generation integrated machine; the comprehensive control module comprises a chassis pipe computer and an electric comprehensive control unit. The cold start test of the project joint debugging test is successful, the cold start function of the unmanned vehicle can be met, and the cold start test is verified on the unmanned vehicle at present.
Description
Technical Field
The invention belongs to the field of electronic control of new energy vehicles, and relates to a low-temperature cold start control system and a low-temperature cold start control method for an unmanned hybrid vehicle.
Background
In order to meet the needs of future development, unmanned vehicles are gradually becoming an inevitable trend for the development of the domestic and foreign automobile industry due to the characteristics of autonomous or remote control, high intelligence, adaptability and the like. Because the unmanned vehicle can be remotely controlled or autonomously judged to replace the unmanned vehicle to complete the tasks of high-risk and severe environments, the control mode of the unmanned vehicle is the most central technical key of the whole vehicle.
The unmanned hybrid vehicle is similar to a traditional hybrid vehicle, and an engine and a battery are used as energy sources to provide power for a whole vehicle system. In order to meet the use requirement of all-region mobility, the unmanned vehicle is designed to be normally used in winter in severe cold regions, and is often required to be normally started and operated within half an hour. Because the high-voltage battery and the engine need to be preheated, how to orderly and efficiently realize low-temperature cold start is a problem to be solved urgently.
Aiming at the problems, a project group refers to a large amount of technical data by combining the past engineering experience, special research is carried out on the low-temperature cold start control technology of the hybrid vehicle, and a low-temperature cold start method suitable for the unmanned hybrid vehicle is designed.
Disclosure of Invention
Objects of the invention
The purpose of the invention is: the low-temperature cold start control system and the control method for the unmanned hybrid vehicle are designed to realize the preheating function of the unmanned hybrid vehicle, shorten the preheating time under the condition of not increasing other charging devices, achieve the starting condition within half an hour, and efficiently and orderly realize low-temperature cold start.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a low temperature cold start control system for an unmanned hybrid vehicle, comprising: the device comprises a comprehensive control module, a wireless control module, a starting control module and a power management module; the power supply management module comprises a high-voltage lithium battery, a low-voltage lithium battery and a power supply conversion control unit; the comprehensive control module comprises a chassis pipe computer and an electric comprehensive control unit; after the whole vehicle is powered on, the power management module and the comprehensive control module are powered on by default, at the moment, the high-voltage lithium battery supplies power and heats through self power, the engine supplies power and starts heating through the low-voltage lithium battery, the chassis management computer orderly switches on a high-voltage branch of the high-voltage lithium battery of the power management module and a high-voltage contactor of the power conversion control unit by judging the heating time and temperature of the high-voltage lithium battery and the engine to convert high-voltage and low-voltage power and output low-voltage electricity, the power conversion control unit and the low-voltage lithium battery simultaneously supply power and heat the starting control module, the chassis management computer judges the heating time again, the wireless control module is powered on after the conditions are met, the chassis management computer triggers a remote control end starting instruction of the wireless control module by judging the heating time or the temperature of the engine, and the electric comprehensive control unit sends an instruction to the starting control module through the whole vehicle CAN network, and the starting control module executes the starting instruction to complete the preheating of the engine and realize the low-temperature cold start function.
After the whole vehicle is electrified, the low-voltage lithium battery is used for independently heating and supplying power to the engine, when the high-voltage lithium battery is heated to-20 ℃ or the heating time reaches 15min, the 330V voltage is output to the power supply conversion control unit, and the power supply conversion control unit and the low-voltage lithium battery are used for heating and supplying power to the engine together.
The electric comprehensive control unit supplies low voltage electricity to the high-voltage lithium battery and the starting control module after the whole vehicle is electrified, and supplies low voltage electricity to the wireless control module after the vehicle is heated to 17-20 minutes.
The wireless control module comprises a remote control end, a radio station and a switch and is mainly used for completing wireless transmission of instructions and transmission of Ethernet. When the starting condition is met, the remote control end sends out a wireless starting instruction, the radio station receives the instruction and transmits the instruction to the switch through the Ethernet, and the switch transmits the starting instruction to the comprehensive control module through the Ethernet in the unmanned hybrid vehicle.
The starting control module comprises a starting and power generation integrated machine controller and a starting and power generation integrated machine, and executes a starting instruction to complete a cold starting function.
The invention also provides a low-temperature cold start control method of the unmanned hybrid vehicle, which comprises the following steps:
(1) after the whole vehicle is powered on, the low-voltage lithium battery provides 28V low-voltage electric energy for a whole vehicle system, the power management module and the comprehensive control module are powered on by default, the comprehensive control module is low-voltage electricity on the starting control module, and the engine starts to heat through power supply of the low-voltage lithium battery; the high-voltage lithium battery is heated by self energy supply, and high voltage is not output at the moment;
(2) when the heating time reaches 12-15min or the temperature of the high-voltage lithium battery reaches-20 ℃, the high-voltage lithium battery is connected with a power supply conversion control unit contactor, outputs 330V high voltage, is converted into 28V output by the power supply conversion control unit, and supplies power to the system together with the low-voltage lithium battery;
(3) when the heating time reaches 17-20min, the integrated control module is a low-voltage power supply of the wireless control module, and a radio station and a switchboard in the integrated control module start working to prepare for receiving a remote control end instruction;
(4) when the heating time reaches 23-26min or the temperature of the engine reaches-10 ℃, a remote control terminal issues a starting instruction, a wireless control module transmits the starting instruction to a comprehensive control module chassis coil computer through Ethernet, the chassis coil computer sends the starting instruction to a starting control module through a CAN network in the vehicle, and the starting control module executes a starting program to try the starting function of the engine;
(5) after the engine starts to execute the starting function, through feedback, if the rotating speed of the engine reaches 300 revolutions, the low-temperature starting is successful, otherwise, the heating is continued until the rotating speed of the engine reaches 300 revolutions, and the low-temperature starting is successful.
In the step (1), the power of the engine for heating through the low-voltage lithium battery is 700W; the self-heating power of the high-voltage lithium battery is 300W.
(III) advantageous effects
According to the low-temperature cold start control system and the control method for the unmanned hybrid vehicle, the cold start test of the project joint debugging test is successful, the cold start function of the unmanned vehicle can be met, and verification is already carried out on the unmanned vehicle at present.
Drawings
FIG. 1 is a block diagram of the operating principle of the control system of the present invention.
FIG. 2 is a flow chart of the control method of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
Referring to fig. 1, the control system of the present invention is based on an unmanned hybrid vehicle configuration and includes a comprehensive control module, a wireless control module, a start control module, and a power management module; the power supply management module comprises a high-voltage lithium battery, a low-voltage lithium battery and a power supply conversion control unit; the comprehensive control module comprises a chassis pipe computer and an electric comprehensive control unit; after the whole vehicle is powered on, the power management module and the comprehensive control module are powered on by default, at the moment, the high-voltage lithium battery supplies power and heats through self power, the engine supplies power and starts heating through the low-voltage lithium battery, the chassis management computer orderly switches on a high-voltage branch of the high-voltage lithium battery of the power management module and a high-voltage contactor of the power conversion control unit by judging the heating time and temperature of the high-voltage lithium battery and the engine to convert high-voltage and low-voltage power and output low-voltage electricity, the power conversion control unit and the low-voltage lithium battery simultaneously supply power and heat the starting control module, the chassis management computer judges the heating time again, the wireless control module is powered on after the conditions are met, the chassis management computer triggers a remote control end starting instruction of the wireless control module by judging the heating time or the temperature of the engine, and the electric comprehensive control unit sends an instruction to the starting control module through the whole vehicle CAN network, and the starting control module executes the starting instruction to complete the preheating of the engine and realize the low-temperature cold start function.
Specifically, the main technical characteristics of each component module of the control system are as follows:
the power management module mainly comprises a high-voltage lithium battery, a low-voltage lithium battery and a power conversion control unit, and mainly completes the power supply function of the unmanned hybrid vehicle. After the whole vehicle is electrified in the early stage, the low-voltage lithium battery is used for independently heating and supplying power to the engine, when the high-voltage lithium battery is heated to-20 ℃ or the heating time reaches 12-15min, the 330V voltage is output to the power supply conversion control unit, and the power supply conversion control unit and the low-voltage lithium battery are used for heating and supplying power to the engine together. The high-voltage lithium battery completes self-heating in an earlier stage, when the heating time of the battery reaches 12-15min or the temperature reaches-20 ℃, the power supply conversion control unit contactor is switched on to output electric energy, the low-voltage lithium battery simultaneously heats and supplies power to the unmanned hybrid vehicle, and meanwhile, a starting and power generation all-in-one machine branch of the starting control module is switched on to complete a starting function.
The comprehensive control module mainly comprises a chassis pipe computer and an electric comprehensive control unit, and is mainly used for completing the transmission of instructions from the Ethernet to the CAN network in the vehicle and controlling the low-voltage power supply of related loads. The chassis tube computer receives the Ethernet starting command and sends the starting command by using the CAN network in the vehicle; the electric comprehensive control unit supplies low voltage electricity to the high-voltage lithium battery and the starting control module after the whole vehicle is electrified, and supplies low voltage electricity to the wireless control module after the vehicle is heated to 17-20 minutes.
The wireless control module mainly comprises a remote control end, a radio station and a switch, and is mainly used for completing wireless transmission of instructions and transmission of Ethernet. When the starting condition is reached, the remote control end sends out a wireless starting instruction, and the radio station receives the instruction and transmits the instruction to the switch through the Ethernet. The switch transmits a start command to the integrated control module via an ethernet network within the unmanned vehicle.
The starting control module mainly comprises a starting and power generation integrated machine controller and a starting and power generation integrated machine, and mainly executes a starting instruction to complete a cold starting function.
The flow chart of the control method of the invention is shown in figure 2, the information transmission is realized by adopting the Ethernet of the whole vehicle and the CAN network, the charging time and the heating temperature are collected and judged by a chassis pipe computer, and the whole control process is realized by four modules, namely a comprehensive control module, a wireless control module, a starting control module and a power supply management module.
The control method comprises the following steps:
(1) after the whole vehicle is powered on, the low-voltage lithium battery provides 28V low-voltage electric energy for a whole vehicle system, and the power management module and the comprehensive control module are powered on by default. The integrated control module is a starting control module and is low-voltage electricity. The engine starts heating by the power supply of the low-voltage lithium battery, and the power is 700W. The high-voltage lithium battery heats through self energy supply, high voltage is not output at the moment, and self heating power is 300W.
(2) When the heating time reaches 12-15min or the temperature of the high-voltage lithium battery reaches-20 ℃, the high-voltage lithium battery is connected with a power supply conversion control unit contactor, outputs 330V high voltage, is converted into 28V output by the power supply conversion control unit, supplies power to the system together with the low-voltage lithium battery, and otherwise, continues to heat.
(3) When the heating time reaches 17-20min, the integrated control module is a low-voltage power supply of the wireless control module, and the radio station and the switch in the integrated control module start to work and prepare to receive the instruction of the remote control end. Otherwise, continuing warming.
(4) When the heating time reaches 23-26min or the temperature of the engine reaches-10 ℃, the remote control terminal issues a starting instruction, the wireless control module transmits the starting instruction to the comprehensive control module chassis coil computer through the Ethernet, the chassis coil computer sends the starting instruction to the starting control module through the CAN network in the vehicle, and the starting control module starts to execute a starting program to try the starting function of the engine.
(5) After the engine starts to execute the starting function, through feedback, if the rotating speed of the engine reaches 300 revolutions, the low-temperature starting is successful, otherwise, the heating is continued until the rotating speed of the engine reaches 300 revolutions, and the low-temperature starting is successful.
The time of the whole cold start process is controlled within half an hour, original equipment in the unmanned hybrid vehicle is fully utilized, the low-temperature cold start process is efficiently and orderly completed, and the method can be popularized in the unmanned vehicle.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A low temperature cold start control system for an unmanned hybrid vehicle, comprising: the device comprises a comprehensive control module, a wireless control module, a starting control module and a power management module; the power supply management module comprises a high-voltage lithium battery, a low-voltage lithium battery and a power supply conversion control unit; the comprehensive control module comprises a chassis pipe computer and an electric comprehensive control unit; after the whole vehicle is powered on, the power management module and the comprehensive control module are powered on by default, at the moment, the high-voltage lithium battery supplies power and heats through self power, the engine supplies power and starts heating through the low-voltage lithium battery, the chassis management computer orderly switches on a high-voltage branch of the high-voltage lithium battery of the power management module and a high-voltage contactor of the power conversion control unit by judging the heating time and temperature of the high-voltage lithium battery and the engine to convert high-voltage and low-voltage power and output low-voltage electricity, the power conversion control unit and the low-voltage lithium battery simultaneously supply power and heat the starting control module, the chassis management computer judges the heating time again, the wireless control module is powered on after the conditions are met, the chassis management computer triggers a remote control end starting instruction of the wireless control module by judging the heating time or the temperature of the engine, and the electric comprehensive control unit sends an instruction to the starting control module through the whole vehicle CAN network, and the starting control module executes the starting instruction to complete the preheating of the engine and realize the low-temperature cold start function.
2. The low-temperature cold start control system of the unmanned hybrid vehicle as claimed in claim 1, wherein after the entire vehicle is powered on, the low-voltage lithium battery is used for heating and supplying power to the engine independently, when the high-voltage lithium battery is heated to-20 ℃ or the heating time reaches 12-15min, the 330V voltage is output to the power conversion control unit, and the power conversion control unit and the low-voltage lithium battery are used for heating and supplying power to the engine together.
3. The low-temperature cold-start control system of the unmanned hybrid vehicle according to claim 2, wherein the electrical integrated control unit supplies low voltage electricity to the high-voltage lithium battery and the start control module after the whole vehicle is powered on, and supplies low voltage electricity to the wireless control module after the vehicle is heated to 17-20 minutes.
4. The unmanned hybrid vehicle cold start control system of claim 3, wherein the wireless control module comprises a remote control terminal, a radio station and a switch, and is mainly used for performing wireless transmission of commands and transmission of Ethernet; when the starting condition is met, the remote control end sends out a wireless starting instruction, the radio station receives the instruction and transmits the instruction to the switch through the Ethernet, and the switch transmits the starting instruction to the comprehensive control module through the Ethernet in the unmanned hybrid vehicle.
5. The unmanned hybrid vehicle low-temperature cold start control system of claim 4, wherein the start control module comprises a start-generator all-in-one controller and a start-generator all-in-one, and executes a start instruction to complete a cold start function.
6. The unmanned hybrid vehicle low-temperature cold start control method based on the unmanned hybrid vehicle low-temperature cold start control system of claim 5, characterized by comprising the steps of:
(1) after the whole vehicle is powered on, the low-voltage lithium battery provides 28V low-voltage electric energy for a whole vehicle system, the power management module and the comprehensive control module are powered on by default, the comprehensive control module is low-voltage electricity on the starting control module, and the engine starts to heat through power supply of the low-voltage lithium battery; the high-voltage lithium battery is heated by self energy supply, and high voltage is not output at the moment;
(2) when the temperature of the high-voltage lithium battery reaches-20 ℃ or the heating time reaches 12-15min, the high-voltage lithium battery is connected with a power supply conversion control unit contactor, outputs 330V high voltage, is converted into 28V output by the power supply conversion control unit, and supplies power to the system together with the low-voltage lithium battery;
(3) when the heating time reaches 17-20min, the integrated control module is a low-voltage power supply of the wireless control module, and a radio station and a switchboard in the integrated control module start working to prepare for receiving a remote control end instruction;
(4) when the heating time of the engine reaches 23-26min or the temperature of the engine reaches-10 ℃, a remote control terminal issues a starting instruction, a wireless control module transmits the starting instruction to a comprehensive control module chassis pipe computer through Ethernet, the chassis pipe computer sends the starting instruction to a starting control module through a CAN network in the vehicle, and the starting control module executes a starting program to try the starting function of the engine;
(5) after the engine starts to execute the starting function, through feedback, if the rotating speed of the engine reaches 300 revolutions, the low-temperature starting is successful, otherwise, the heating is continued until the rotating speed of the engine reaches 300 revolutions, and the low-temperature starting is successful.
7. The low-temperature cold start control method for the unmanned hybrid vehicle according to claim 6, wherein in the step (1), the power for warming the engine through the low-voltage lithium battery is 700W; the self-heating power of the high-voltage lithium battery is 300W.
8. Application of the low-temperature cold start control method of the unmanned hybrid vehicle according to any one of claims 1-7 in the technical field of electronic control of new energy vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060855.3A CN112761844A (en) | 2021-01-18 | 2021-01-18 | Low-temperature cold start control system and control method for unmanned hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110060855.3A CN112761844A (en) | 2021-01-18 | 2021-01-18 | Low-temperature cold start control system and control method for unmanned hybrid vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112761844A true CN112761844A (en) | 2021-05-07 |
Family
ID=75702490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110060855.3A Pending CN112761844A (en) | 2021-01-18 | 2021-01-18 | Low-temperature cold start control system and control method for unmanned hybrid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112761844A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113859156A (en) * | 2021-09-28 | 2021-12-31 | 中国北方车辆研究所 | Redundant formula intelligent power distribution management system of unmanned vehicles |
| CN114810453A (en) * | 2021-06-09 | 2022-07-29 | 长城汽车股份有限公司 | Low-temperature cold starting method and system for P2-configuration hybrid vehicle and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234840A (en) * | 2000-02-25 | 2001-08-31 | Hitachi Ltd | Hybrid vehicle |
| US20040099234A1 (en) * | 2002-11-26 | 2004-05-27 | Goro Tamai | Dual voltage tandem engine start system and method |
| CN101643070A (en) * | 2009-09-03 | 2010-02-10 | 上海汽车集团股份有限公司 | Control method of cold start of hybrid power system |
| CN109353248A (en) * | 2018-10-15 | 2019-02-19 | 北汽福田汽车股份有限公司 | The low-temperature start method and system of fuel cell car |
| CN111293381A (en) * | 2018-12-07 | 2020-06-16 | 大众汽车有限公司 | Battery pack unit |
| CN111591168A (en) * | 2020-04-26 | 2020-08-28 | 义乌吉利动力总成有限公司 | Low-temperature cold start method and device for hybrid vehicle, storage medium and equipment |
| CN111622880A (en) * | 2020-06-04 | 2020-09-04 | 合肥创源车辆控制技术有限公司 | Vehicle low-temperature preheating starting control system and control method thereof |
-
2021
- 2021-01-18 CN CN202110060855.3A patent/CN112761844A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001234840A (en) * | 2000-02-25 | 2001-08-31 | Hitachi Ltd | Hybrid vehicle |
| US20040099234A1 (en) * | 2002-11-26 | 2004-05-27 | Goro Tamai | Dual voltage tandem engine start system and method |
| CN101643070A (en) * | 2009-09-03 | 2010-02-10 | 上海汽车集团股份有限公司 | Control method of cold start of hybrid power system |
| CN109353248A (en) * | 2018-10-15 | 2019-02-19 | 北汽福田汽车股份有限公司 | The low-temperature start method and system of fuel cell car |
| CN111293381A (en) * | 2018-12-07 | 2020-06-16 | 大众汽车有限公司 | Battery pack unit |
| CN111591168A (en) * | 2020-04-26 | 2020-08-28 | 义乌吉利动力总成有限公司 | Low-temperature cold start method and device for hybrid vehicle, storage medium and equipment |
| CN111622880A (en) * | 2020-06-04 | 2020-09-04 | 合肥创源车辆控制技术有限公司 | Vehicle low-temperature preheating starting control system and control method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114810453A (en) * | 2021-06-09 | 2022-07-29 | 长城汽车股份有限公司 | Low-temperature cold starting method and system for P2-configuration hybrid vehicle and vehicle |
| CN113859156A (en) * | 2021-09-28 | 2021-12-31 | 中国北方车辆研究所 | Redundant formula intelligent power distribution management system of unmanned vehicles |
| CN113859156B (en) * | 2021-09-28 | 2023-12-22 | 中国北方车辆研究所 | Redundant intelligent power distribution management system for unmanned vehicles |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109823234B (en) | A kind of control method of drive system, drive system and new-energy automobile | |
| US10919397B2 (en) | Vehicle, method of controlling vehicle, and charging system | |
| CN103682519B (en) | Low-temperature environment of electric vehicle heating means | |
| US8118237B2 (en) | System and method for vehicle temperature control | |
| CN112761844A (en) | Low-temperature cold start control system and control method for unmanned hybrid vehicle | |
| CN106965700A (en) | A kind of electric automobile heating charging circuit and charging method | |
| EP3330120A1 (en) | A bidirectional vehicle-mounted charge and discharge system and its methods | |
| CN103547474A (en) | Vehicle power-supply device | |
| US9425717B2 (en) | Device and method for supplying an electric drive with electric current | |
| JP2011526142A (en) | Recharging device for power storage system including two power storage elements and related use of such recharging device | |
| WO2019179289A1 (en) | Electric vehicle dual-mode charging system and method | |
| EP4357211A1 (en) | Pre-heating control method and system for three-way catalytic converter, and vehicle and storage medium | |
| US11130405B2 (en) | System and method of powering an external device with a vehicular battery system | |
| CN106100032A (en) | A kind of combined charging system used for electric vehicle | |
| CN110316006B (en) | Cooling control system and method for charging vehicle-mounted equipment of electric vehicle | |
| CN105501157A (en) | System and method for supplying power to air conditioner of electric vehicle | |
| CN103732451A (en) | Power supply control apparatus for vehicle | |
| US11642965B2 (en) | System and method of powering an external device with a vehicular battery system | |
| CN104554087A (en) | Vehicle preheating and starting remote control device | |
| CN111264012A (en) | Method for black start of an energy supply device, bidirectional inverter and energy supply device having a bidirectional inverter | |
| CN113910931A (en) | Wireless charging system and method for electric automobile | |
| CN112213973B (en) | Spacecraft orbit control load power consumption autonomous control method | |
| CN111162982A (en) | Power system CAN network topological structure and new energy automobile | |
| CN117601712B (en) | Power supply system of electric automobile, electric automobile and power battery control method | |
| CN201060403Y (en) | Passive self-starting device under low temperature condition for heating device of fan normal temperature controller |
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: 20210507 |
|
| RJ01 | Rejection of invention patent application after publication |