CN114212073A - Automatic switching system and method for driving modes of oil-electricity hybrid vehicle - Google Patents
Automatic switching system and method for driving modes of oil-electricity hybrid vehicle Download PDFInfo
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- CN114212073A CN114212073A CN202111585772.2A CN202111585772A CN114212073A CN 114212073 A CN114212073 A CN 114212073A CN 202111585772 A CN202111585772 A CN 202111585772A CN 114212073 A CN114212073 A CN 114212073A
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- mode
- vehicle
- hybrid
- power supply
- supply battery
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/18—Braking system
- B60W2510/186—Status of parking brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/24—Energy storage means
- B60W2510/242—Energy storage means for electrical energy
- B60W2510/244—Charge state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
Abstract
The invention discloses a system and a method for automatically switching running modes of a hybrid electric vehicle, which comprises a VCU module connected with the hybrid electric vehicle; a hybrid mode, a fuel mode, a pure electric mode and parking charging are arranged in the VCU module; the hybrid-driven vehicle is operated in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving when the vehicle reaches a certain speed. When the vehicle power supply battery fails and cannot be supplied with high voltage, the power supply battery is closed, and the vehicle power supply battery is automatically switched to a fuel mode; in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, an engine is involved, and the hybrid mode is automatically switched; when the electric quantity of a power supply battery is lower than 20% in the driving process of the hybrid mode, the hybrid mode is automatically switched to a fuel mode; or when the temperature of a power supply battery or a VCU module or a vehicle-mounted controller exceeds the upper limit when the vehicle is in a pure electric mode or a hybrid mode, the power supply battery is closed, and the vehicle-mounted controller is automatically switched to a fuel mode; making the driving more intelligent.
Description
Technical Field
The invention relates to the technical field of interactive vehicle oil-electricity switching, in particular to an automatic switching system and method for a running mode of an oil-electricity hybrid vehicle.
Background
The running mode switches of the hybrid electric and gasoline commercial vehicle are more, the running mode of the vehicle needs to be switched in time under different conditions, and otherwise, vehicle faults can be caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic switching system and method for the running modes of a gasoline-electric hybrid vehicle, so as to solve the technical problems mentioned in the background technology.
The invention relates to an automatic switching system for the running modes of a gasoline-electric hybrid vehicle, which is realized by the following technical scheme: the VCU module is connected with the hybrid electric vehicle; a hybrid mode, a fuel mode, a pure electric mode and parking charging are arranged in the VCU module.
As a preferred technical scheme, temperature information, gear information, electric quantity information and hand brake signals in the oil-electric hybrid vehicle are all connected with a VCU module.
The invention relates to an automatic switching method of the running modes of a gasoline-electric hybrid vehicle, which is realized by the following technical scheme: the method specifically comprises the following switching processes:
s1, the vehicle runs in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving when the vehicle reaches a certain speed;
s2, when the vehicle cannot be started to run high voltage, the power supply battery is closed, and the mode is automatically switched to a fuel mode;
s3, in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, the engine is involved, and the hybrid mode is automatically switched;
s4, in the hybrid mode driving process, when the electric quantity of the power supply battery is lower than 20%, the power supply battery is closed, and the fuel mode is automatically switched; or when the vehicle is in a pure electric mode or a hybrid mode, and the temperature of the power supply battery or the VCU module or the vehicle-mounted controller exceeds the upper limit, the power supply battery is closed, the mode is automatically switched to a fuel mode, and at the moment, other modes are manually switched to be invalid;
and S5, in the driving process, the manual switching parking charging mode is invalid, when the vehicle hand brake is pulled up and the vehicle is parked in a neutral gear state, the parking charging switch is manually pressed, the engine charges the power supply battery, when the electric quantity of the power supply battery is charged to 80 or above, the hybrid mode is automatically switched, and the manual switching is effective.
The invention has the beneficial effects that: the vehicle is operated in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving again when the vehicle reaches a certain speed. When the vehicle power supply battery fails and cannot be supplied with high voltage, the power supply battery is closed, and the vehicle power supply battery is automatically switched to a fuel mode; in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, an engine is involved, and the hybrid mode is automatically switched; when the electric quantity of a power supply battery is lower than 20% in the driving process of the hybrid mode, the hybrid mode is automatically switched to a fuel mode; or when the temperature of a power supply battery or a VCU module or a vehicle-mounted controller exceeds the upper limit when the vehicle is in a pure electric mode or a hybrid mode, the power supply battery is closed, and the vehicle-mounted controller is automatically switched to a fuel mode; making the driving more intelligent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of an automatic switching system and method for a driving mode of a hybrid electric vehicle according to the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1, the system for automatically switching the driving modes of the hybrid electric vehicle comprises a VCU module connected with the hybrid electric vehicle; a hybrid mode, a fuel mode, a pure electric mode and parking charging are arranged in the VCU module.
In this embodiment, temperature information, fender position information, electric quantity information and the manual brake signal in the hybrid electric vehicle all connect the VCU module.
The invention discloses an automatic switching method for the running modes of a gasoline-electric hybrid vehicle, which specifically comprises the following switching processes:
s1, the vehicle runs in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving when the vehicle reaches a certain speed;
s2, when the vehicle cannot be started to run high voltage, the power supply battery is closed, and the mode is automatically switched to a fuel mode;
s3, in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, the engine is involved, and the hybrid mode is automatically switched;
s4, in the hybrid mode driving process, when the electric quantity of the power supply battery is lower than 20%, the power supply battery is closed, and the fuel mode is automatically switched; or when the vehicle is in a pure electric mode or a hybrid mode, and the temperature of the power supply battery or the VCU module or the vehicle-mounted controller exceeds the upper limit, the power supply battery is closed, the mode is automatically switched to a fuel mode, and at the moment, other modes are manually switched to be invalid;
and S5, in the driving process, the manual switching parking charging mode is invalid, when the vehicle hand brake is pulled up and the vehicle is parked in a neutral gear state, the parking charging switch is manually pressed, the engine charges the power supply battery, when the electric quantity of the power supply battery is charged to 80 or above, the hybrid mode is automatically switched, and the manual switching is effective.
The invention has the beneficial effects that: the vehicle is operated in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving again when the vehicle reaches a certain speed. When the vehicle power supply battery fails and cannot be supplied with high voltage, the power supply battery is closed, and the vehicle power supply battery is automatically switched to a fuel mode; in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, an engine is involved, and the hybrid mode is automatically switched; when the electric quantity of a power supply battery is lower than 20% in the driving process of the hybrid mode, the hybrid mode is automatically switched to a fuel mode; or when the temperature of a power supply battery or a VCU module or a vehicle-mounted controller exceeds the upper limit when the vehicle is in a pure electric mode or a hybrid mode, the power supply battery is closed, and the vehicle-mounted controller is automatically switched to a fuel mode; making the driving more intelligent.
The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. A system and a method for automatically switching the running modes of a gasoline-electric hybrid vehicle are characterized in that: the VCU module is connected with the hybrid electric vehicle; a hybrid mode, a fuel mode, a pure electric mode and parking charging are arranged in the VCU module.
2. The automatic switching system of the running mode of the hybrid electric vehicle according to claim 1, characterized in that: temperature information, gear information, electric quantity information and hand brake signals in the oil-electricity hybrid vehicle are all connected with the VCU module.
3. A method for automatically switching running modes of a gasoline-electric hybrid vehicle is characterized by comprising the following steps: the method specifically comprises the following switching processes:
s1, the vehicle runs in a default hybrid mode, the motor participates in driving when the vehicle starts in the hybrid mode, and the engine participates in driving when the vehicle reaches a certain speed;
s2, when the vehicle cannot be started to run high voltage, the power supply battery is closed, and the mode is automatically switched to a fuel mode;
s3, in the pure electric mode driving process, when the electric quantity of a power supply battery is lower than 30%, the engine is involved, and the hybrid mode is automatically switched;
s4, in the hybrid mode driving process, when the electric quantity of the power supply battery is lower than 20%, the power supply battery is closed, and the fuel mode is automatically switched; or when the vehicle is in a pure electric mode or a hybrid mode, and the temperature of the power supply battery or the VCU module or the vehicle-mounted controller exceeds the upper limit, the power supply battery is closed, the mode is automatically switched to a fuel mode, and at the moment, other modes are manually switched to be invalid;
and S5, in the driving process, the manual switching parking charging mode is invalid, when the vehicle hand brake is pulled up and the vehicle is parked in a neutral gear state, the parking charging switch is manually pressed, the engine charges the power supply battery, when the electric quantity of the power supply battery is charged to 80 or above, the hybrid mode is automatically switched, and the manual switching is effective.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111585772.2A CN114212073A (en) | 2021-12-22 | 2021-12-22 | Automatic switching system and method for driving modes of oil-electricity hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111585772.2A CN114212073A (en) | 2021-12-22 | 2021-12-22 | Automatic switching system and method for driving modes of oil-electricity hybrid vehicle |
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| CN114212073A true CN114212073A (en) | 2022-03-22 |
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| CN202111585772.2A Pending CN114212073A (en) | 2021-12-22 | 2021-12-22 | Automatic switching system and method for driving modes of oil-electricity hybrid vehicle |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004069070A (en) * | 2003-08-22 | 2004-03-04 | Toyota Motor Corp | Hydraulic-pressure control device of hybrid vehicle |
| DE102007004172A1 (en) * | 2007-01-27 | 2008-07-31 | Volkswagen Ag | Motor vehicle e.g. zero emission vehicle, has generator activated and/or deactivated in parking condition of vehicle and started after activation of drive, where disconnection of drive of generator is carried out after deactivation |
| CN103204056A (en) * | 2013-01-31 | 2013-07-17 | 长城汽车股份有限公司 | Hybrid power driving assembly |
| CN104590263A (en) * | 2015-01-23 | 2015-05-06 | 观致汽车有限公司 | Automatic vehicle driving mode switching system |
| CN105522908A (en) * | 2014-09-30 | 2016-04-27 | 比亚迪股份有限公司 | Hybrid/electric automobile and control method thereof and power transmission system |
| CN109466540A (en) * | 2018-10-19 | 2019-03-15 | 中国汽车技术研究中心有限公司 | A kind of control method of finished of four-wheel drive hybrid vehicle |
| CN111469649A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动系统有限公司 | Hybrid power driving system, control method and vehicle |
| CN113183742A (en) * | 2021-04-29 | 2021-07-30 | 吉林大学 | Energy-saving concrete mixer truck driving system and control method thereof |
-
2021
- 2021-12-22 CN CN202111585772.2A patent/CN114212073A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004069070A (en) * | 2003-08-22 | 2004-03-04 | Toyota Motor Corp | Hydraulic-pressure control device of hybrid vehicle |
| DE102007004172A1 (en) * | 2007-01-27 | 2008-07-31 | Volkswagen Ag | Motor vehicle e.g. zero emission vehicle, has generator activated and/or deactivated in parking condition of vehicle and started after activation of drive, where disconnection of drive of generator is carried out after deactivation |
| CN103204056A (en) * | 2013-01-31 | 2013-07-17 | 长城汽车股份有限公司 | Hybrid power driving assembly |
| CN105522908A (en) * | 2014-09-30 | 2016-04-27 | 比亚迪股份有限公司 | Hybrid/electric automobile and control method thereof and power transmission system |
| CN104590263A (en) * | 2015-01-23 | 2015-05-06 | 观致汽车有限公司 | Automatic vehicle driving mode switching system |
| CN109466540A (en) * | 2018-10-19 | 2019-03-15 | 中国汽车技术研究中心有限公司 | A kind of control method of finished of four-wheel drive hybrid vehicle |
| CN111469649A (en) * | 2020-05-28 | 2020-07-31 | 格特拉克（江西）传动系统有限公司 | Hybrid power driving system, control method and vehicle |
| CN113183742A (en) * | 2021-04-29 | 2021-07-30 | 吉林大学 | Energy-saving concrete mixer truck driving system and control method thereof |
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