CN113247118B - Control method and system of vortex generator on vehicle and vehicle - Google Patents
Control method and system of vortex generator on vehicle and vehicle Download PDFInfo
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- CN113247118B CN113247118B CN202110677483.9A CN202110677483A CN113247118B CN 113247118 B CN113247118 B CN 113247118B CN 202110677483 A CN202110677483 A CN 202110677483A CN 113247118 B CN113247118 B CN 113247118B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D35/00—Vehicle bodies characterised by streamlining
- B62D35/007—Rear spoilers
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/82—Elements for improving aerodynamics
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention provides a control method and a system of a vortex generator on a vehicle and the vehicle, wherein the control method comprises the following steps: acquiring the speed of a vehicle, and acquiring the set swing speed of a vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle; converting the set swing speed of the vortex generator into a control signal and sending the control signal to the vortex generator; and the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal. The vortex generator is arranged at the tail part of the two-compartment vehicle, the SUV and the MPV, and the swinging speed of the blade of the vortex generator is automatically adjusted according to the vehicle speed, so that the effects of breaking up large vortex behind the vehicle body and reducing wind resistance are achieved, and the aims of reducing oil consumption and increasing endurance mileage are finally achieved.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a control method and a control system of a vortex generator on a vehicle and the vehicle.
Background
The user has more and more severe requirements on the oil consumption of the fuel vehicle and higher requirements on the endurance mileage of the electric vehicle, and the user urgently expects that the energy consumption of the vehicle can be lower and lower. Among factors influencing the oil consumption of the whole automobile, the proportion of the wind resistance of the automobile is very high, and can reach 37% according to statistics, which is the highest factor. The wind resistance is reduced, so that the energy consumption of the whole vehicle is obviously reduced.
The common method for reducing the wind resistance of the whole vehicle comprises the following steps: streamlined body modeling, and an air external member (such as a flow guide strip, an active air inlet grille and the like) is added. However, for the two-carriage vehicle, the SUV and the MPV, the aerodynamic resistance of the tail is more urgently reduced for the two-carriage vehicle, the SUV and the MPV because the function requirement cannot be designed into a streamline shape like a three-carriage vehicle.
Disclosure of Invention
Based on the problems, the invention provides a control method and a control system of a vortex generator on a vehicle and the vehicle.
The invention provides a control method of a vortex generator on a vehicle, which comprises the following steps:
acquiring the speed of a vehicle, and acquiring the set swing speed of a vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
converting the set swing speed of the vortex generator into a control signal and sending the control signal to the vortex generator;
the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal.
In addition, the step of obtaining the set oscillation speed of the vortex generator corresponding to the vehicle speed according to the vehicle speed comprises the following steps:
the method comprises the steps of obtaining a set swing speed of a vortex generator corresponding to the vehicle speed from a controller of the vehicle, wherein the set swing speed of the vortex generator corresponding to the vehicle speed is calculated in advance and is stored in the controller.
Furthermore, the vortex generator feeds back to the controller a status signal of the vortex generator, the status signal comprising at least the actual swing speed or whether the swing is occurring.
In addition, if the controller judges that the actual swing speed of the vortex generator does not accord with the set swing speed, the controller adjusts the vortex generator.
In addition, the controller adjusts the vortex generator and sends out an alarm signal.
Further, the initial state of the vortex generator is an open state.
In addition, the vortex generators retract when the vehicle is stationary and open when the vehicle is started or running.
In addition, when the controller detects that the vehicle speed changes, the controller acquires the corresponding set swing speed according to the changed vehicle speed and sends the set swing speed to the vortex generator, and the vortex generator controls the blades of the vortex generator to swing according to the new set swing speed.
The invention also provides a vehicle and a control method of the vortex generator on the vehicle.
The present invention also proposes a control system for a vortex generator on a vehicle, comprising:
the vortex generator is arranged at the tail of the vehicle body, the controller is arranged on the vehicle body, and the controller is in signal connection with the vortex generator;
the method comprises the steps that a controller obtains the speed of a vehicle and obtains the set swing speed of a vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
the controller converts the set swing speed of the vortex generator into a control signal and sends the control signal to the vortex generator;
the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal.
In addition, a motor on the vortex generator receives a control signal sent by the controller, and controls the blades of the vortex generator to swing left and right according to the control signal and the set swing speed.
Through adopting above-mentioned technical scheme, have following beneficial effect:
the vortex generators are arranged at the tail parts of the two-compartment vehicle, the SUV and the MPV, and the swinging speed of the blades of the vortex generators is automatically adjusted according to the vehicle speed, so that the effects of breaking up large vortex behind the vehicle body and reducing wind resistance are achieved, and the aims of reducing oil consumption and increasing endurance mileage are finally achieved.
Drawings
FIG. 1 is a flow chart of a method of controlling a vortex generator on a vehicle according to one embodiment of the present invention;
FIG. 2 is a flow chart of a method of controlling a vortex generator on a vehicle according to one embodiment of the present invention;
FIG. 3 is a block diagram of a control system for a vortex generator on a vehicle according to one embodiment of the present invention;
FIG. 4 is a schematic view of the mounting of the vortex generator of FIG. 3;
fig. 5 is a schematic view of the internal structure of the vortex generator of fig. 1.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments and the attached drawings. It is intended that the present invention not be limited to the particular embodiments disclosed, but that the present invention be limited only by the appended claims.
Referring to fig. 1, the present invention provides a method for controlling a vortex generator on a vehicle, including:
step S001, acquiring the speed of the vehicle, and acquiring the set swing speed of the vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
step S002, converting the set swing speed of the vortex generator into a control signal and sending the control signal to the vortex generator;
and step S003, controlling the blades of the vortex generator to swing left and right according to the control signal.
In the tail parts of two-compartment vehicles, SUVs and MPVs, because the shapes are square, the air flow separation condition of the tail parts is serious, a large vortex can be generated, and the pneumatic resistance is large.
In step S001, the vehicle speed of the vehicle is acquired first, and optionally, the controller acquires the vehicle speed of the vehicle from the electronic control unit. And then acquiring the set swing speed of the vortex generator corresponding to the vehicle speed according to the vehicle speed. Optionally, the oscillation speed of the most favorable vortex generator at different vehicle speeds is calculated by cae (computer Aided engineering) as the set oscillation speed corresponding to the speed. Alternatively, one-to-one correspondence data of the velocity and the set swing velocity is set in the controller.
In step S002, the set swing speed of the vortex generator is converted into a control signal and sent to the vortex generator. Optionally, the controller finds a corresponding set swing speed according to the vehicle speed, converts the set swing speed into a control signal, and sends the control signal to the vortex generator, and the control signal may further include an instruction whether the vortex generator swings.
In step S003, the vortex generator controls the blades of the vortex generator to swing left and right at a predetermined swing speed in response to the control signal.
Referring to fig. 5, optionally, the vortex generator is composed of an outer frame 1, a blade 2, a connecting rod 3 and a motor 4, the motor 4 drives the connecting rod 3 to do horizontal return motion, the connecting rod 3 drives the blade 2 to swing left and right, and the swing speed can be controlled by the motor 4.
The vortex generator controls the blade of the vortex generator to swing left and right according to the set swing speed according to the control signal, namely the motor of the vortex generator controls the blade of the vortex generator to swing left and right according to the set swing speed according to the control signal.
Optionally, the motor may feed back a state signal of the blade movement to the controller, and the controller may determine whether the vortex generator is moving according to the set swing speed, and if the vortex generator does not swing or the swing speed does not match the set swing speed, the controller may adjust or even alarm.
The invention solves the technical problems of large wind resistance and high energy consumption of the automobile in the prior art. According to the control method of the vortex generator on the vehicle, provided by the invention, the vortex generator is arranged at the tail part of the two-compartment vehicle, the SUV and the MPV, and the swinging speed of the blade of the vortex generator is automatically adjusted according to the vehicle speed, so that the effects of breaking up large vortex behind the vehicle body and reducing wind resistance are achieved, and the purposes of reducing oil consumption and increasing endurance mileage are finally achieved.
In one embodiment, obtaining the set oscillating speed of the vortex generator corresponding to the vehicle speed according to the vehicle speed comprises:
the method comprises the steps of obtaining a set swing speed of a vortex generator corresponding to the vehicle speed from a controller of the vehicle, wherein the set swing speed of the vortex generator corresponding to the vehicle speed is calculated in advance and is stored in the controller.
The controller of the vehicle is in signal connection with the electronic control unit of the vehicle, so that the vehicle speed can be acquired from the electronic control unit through the controller, and the overall response speed is improved by directly acquiring the vehicle speed when needed by calculating the set swing speed corresponding to the vehicle speed in advance.
In one embodiment, the vortex generator feeds back to the controller a status signal of the vortex generator, the status signal comprising at least the actual swing speed or whether the swing is occurring.
Vortex generator feeds back vortex generator's status signal to the controller, status signal includes at least actual slew velocity or whether swings, the controller judges whether vortex generator's blade swings or whether vortex generator's blade swings according to setting for the slew velocity, if judge that vortex generator's blade does not swing or vortex generator's blade does not swing according to setting for the slew velocity, then judge that vortex generator's motion state does not conform to with the setting, the controller is adjusted vortex generator, optionally, the controller sends suggestion or alarm sound to the user. Optionally, the motor of the eddy current controller feeds back the status signal to the controller.
In one embodiment, the controller adjusts the vortex generator if the controller determines that the actual oscillation speed of the vortex generator does not correspond to the set oscillation speed. When the controller judges that the actual swing speed of the vortex generator is not in accordance with the set swing speed, the controller adjusts the vortex generator so that the actual swing speed of the vortex generator is in accordance with the set swing speed, and therefore wind resistance is reduced to the maximum extent.
In one embodiment, the controller adjusts the vortex generator while the controller sends an alarm signal. To alert the user, the controller issues an alarm signal while the vortex generator is being adjusted.
In one embodiment, the initial state of the vortex generator is an open state. The initial state of the vortex generator is designed to be the opening state, so that the dynamic and visual impact force of the automobile can be enhanced.
In one of the embodiments, the vortex generator is retracted when the vehicle is stationary and opened when the vehicle is started or running. The vortex generator is retracted when the vehicle is static, so that the appearance of the vehicle is simpler, and the vortex generator is opened when the vehicle is started or operated, so that the vortex generator can play a role in reducing wind resistance.
In one embodiment, after the controller detects that the vehicle speed changes, the controller acquires a corresponding set swing speed according to the changed vehicle speed and sends the set swing speed to the vortex generator, and the vortex generator controls the blades of the vortex generator to swing according to the new set swing speed.
When the vehicle speed changes, the controller outputs a new control signal to the motor after detecting the change of the vehicle speed, and the motor adjusts the swing speed of the blade of the vortex generator according to the new control signal, so that the automatic control of the swing speed of the blade of the vortex generator is realized, and the blade is automatically adjusted to the optimal swing speed according to the vehicle speed.
Referring to fig. 2, the present invention provides a method for controlling a vortex generator on a vehicle, including:
step S201, acquiring a set swing speed of a vortex generator corresponding to a vehicle speed from a controller of the vehicle, wherein the set swing speed of the vortex generator corresponding to the vehicle speed is calculated in advance and is stored in the controller;
step S202, converting the set swing speed of the vortex generator into a control signal and sending the control signal to a motor of the vortex generator;
step S203, controlling the blade of the vortex generator to swing left and right according to the set swing speed by the motor of the vortex generator according to the control signal;
step S204, the vortex generator feeds back a state signal of the vortex generator to the controller, wherein the state signal at least comprises an actual swing speed or whether the vortex generator swings;
in step S205, if the controller determines that the actual swing speed of the vortex generator does not match the set swing speed, the controller adjusts the vortex generator. The controller adjusts the vortex generator and sends out an alarm signal at the same time;
and step S206, when the controller detects that the vehicle speed changes, acquiring a corresponding set swing speed according to the changed vehicle speed and sending the set swing speed to the vortex generator, and controlling the blades of the vortex generator to swing according to the new set swing speed by the vortex generator.
Optionally, the vortex generator is retracted when the vehicle is stationary and opened when the vehicle is started or running.
The control method of the vortex generator on the vehicle provided by the embodiment reduces the wind resistance, and finally achieves the purposes of reducing the oil consumption and increasing the endurance mileage.
The invention provides a vehicle, and the control method of the vortex generator on the vehicle is adopted.
Referring to fig. 3 and 4, the present invention provides a control system of a vortex generator on a vehicle, comprising:
the vehicle comprises a vehicle body, a controller and a vortex generator 1, wherein the vortex generator 1 is arranged at the tail part 2 of the vehicle body, the controller is arranged on the vehicle body, and the controller is in signal connection with the vortex generator 1;
the method comprises the steps that a controller obtains the speed of a vehicle and obtains the set swing speed of a vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
the controller converts the set swing speed of the vortex generator into a control signal and sends the control signal to the vortex generator;
the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal. The vehicle roof 3 and the vehicle spoiler 4 are also indicated in the figure in corresponding positions.
The control system of the vortex generator on the vehicle provided by the embodiment reduces the wind resistance, and finally achieves the purposes of reducing the oil consumption and increasing the endurance mileage.
In one embodiment, the motor on the vortex generator receives the control signal sent by the controller, and controls the blade of the vortex generator to swing left and right according to the control signal and the set swing speed. The purpose of reducing wind resistance is realized by enabling the blades of the vortex generator to swing left and right according to the set swing speed.
The foregoing is considered as illustrative only of the principles and preferred embodiments of the invention. It should be noted that, for those skilled in the art, several other modifications can be made on the basis of the principle of the present invention, and the protection scope of the present invention should be regarded.
Claims (6)
1. A method of controlling a vortex generator on a vehicle, comprising:
acquiring the speed of a vehicle, and acquiring the set swing speed of a vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
converting the set swing speed of the vortex generator into a control signal and sending the control signal to the vortex generator;
the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal;
the method for acquiring the set swing speed of the vortex generator corresponding to the vehicle speed according to the vehicle speed comprises the following steps:
acquiring a set swing speed of a vortex generator corresponding to the vehicle speed from a controller of the vehicle, wherein the set swing speed of the vortex generator corresponding to the vehicle speed is pre-calculated and stored in the controller;
the vortex generator feeds back a state signal of the vortex generator to the controller, wherein the state signal at least comprises an actual swing speed or whether the vortex generator swings;
if the controller judges that the actual swing speed of the vortex generator does not accord with the set swing speed, the controller adjusts the vortex generator;
when the controller detects that the vehicle speed changes, the controller acquires the corresponding set swing speed according to the changed vehicle speed and sends the set swing speed to the vortex generator, and the vortex generator controls the blades of the vortex generator to swing according to the new set swing speed.
2. The method of controlling a vortex generator on a vehicle according to claim 1,
the controller adjusts the vortex generator and sends out an alarm signal.
3. The method of controlling a vortex generator on a vehicle according to claim 1,
the initial state of the vortex generator is an open state.
4. The method of controlling a vortex generator on a vehicle according to claim 1,
the vortex generators retract when the vehicle is stationary and open when the vehicle is started or running.
5. A vehicle, characterized in that a control method of a vortex generator on a vehicle according to any one of claims 1-4 is employed.
6. A control system for a vortex generator on a vehicle, comprising:
the vortex generator is arranged at the tail of the vehicle body, the controller is arranged on the vehicle body, and the controller is in signal connection with the vortex generator;
the controller acquires the speed of the vehicle and acquires the set swing speed of the vortex generator corresponding to the speed of the vehicle according to the speed of the vehicle;
the controller converts the set swing speed of the vortex generator into a control signal and sends the control signal to the vortex generator;
the vortex generator controls the blades of the vortex generator to swing left and right according to the set swing speed according to the control signal;
the step of obtaining the set swing speed of the vortex generator corresponding to the vehicle speed according to the vehicle speed comprises the following steps:
acquiring a set swing speed of a vortex generator corresponding to the vehicle speed from a controller of the vehicle, wherein the set swing speed of the vortex generator corresponding to the vehicle speed is pre-calculated and stored in the controller;
the vortex generator feeds back a state signal of the vortex generator to the controller, wherein the state signal at least comprises an actual swinging speed or whether swinging exists;
if the controller judges that the actual swing speed of the vortex generator does not accord with the set swing speed, the controller adjusts the vortex generator;
and a motor on the vortex generator receives the control signal sent by the controller and controls the blades of the vortex generator to swing left and right according to the control signal and the set swing speed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110677483.9A CN113247118B (en) | 2021-06-18 | 2021-06-18 | Control method and system of vortex generator on vehicle and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110677483.9A CN113247118B (en) | 2021-06-18 | 2021-06-18 | Control method and system of vortex generator on vehicle and vehicle |
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| CN113247118A CN113247118A (en) | 2021-08-13 |
| CN113247118B true CN113247118B (en) | 2022-08-23 |
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| CN209972609U (en) * | 2019-03-26 | 2020-01-21 | 浙江吉智新能源汽车科技有限公司 | Automobile tail diffuser and automobile |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1214664A (en) * | 1968-03-19 | 1970-12-02 | Ford Motor Co | Improvements relating to high-speed vehicles |
| JPH1024869A (en) * | 1996-07-08 | 1998-01-27 | Mitsubishi Motors Corp | Roof spoiler for vehicle |
| EP1506910A1 (en) * | 2003-08-13 | 2005-02-16 | Peugeot Citroen Automobiles S.A. | Aerodynamic device for a vehicle; vehicle equipped with such a device |
| DE102008043470A1 (en) * | 2008-11-04 | 2010-05-06 | Robert Bosch Gmbh | Air flow controlling method for passenger car, involves performing prioritization of various current targets using central control device, and coordinating individual possible actuators acting on air guiding devices |
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| CN113247118A (en) | 2021-08-13 |
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