CN108583697B - Passenger car rear wall equipment capable of reducing resistance and control method thereof - Google Patents
Passenger car rear wall equipment capable of reducing resistance and control method thereof Download PDFInfo
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- CN108583697B CN108583697B CN201810107077.7A CN201810107077A CN108583697B CN 108583697 B CN108583697 B CN 108583697B CN 201810107077 A CN201810107077 A CN 201810107077A CN 108583697 B CN108583697 B CN 108583697B
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- guide plate
- deflector
- passenger car
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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)
- Controls For Constant Speed Travelling (AREA)
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Abstract
A passenger car rear wall device capable of reducing resistance and a control method thereof comprise an upper guide plate which is movably connected with the upper top of a passenger car; the rear deflector is movably connected with the rear periphery of the passenger car; the tail guide plate is arranged above the tail of the passenger car and is respectively and movably connected with the upper guide plate and the rear guide plate; and the electric control module can automatically control the downward deflection of the upper deflector, the forward deflection of the rear deflector and the unfolding of the tail deflector when the vehicle speed exceeds a set value (80 ㎞/h-120 ㎞/h). The upper guide plate, the rear guide plate and the tail guide plate are arranged to improve and control the rear periphery of the passenger car, so that the turbulence of the tail of the passenger car can be effectively combed, the wind resistance during high-speed running is reduced, the fuel consumption rate of the automobile can be reduced, and the energy utilization rate is improved; in addition, the invention improves the structure of the passenger car, hardly increases the weight of the vehicle, has simple structure, novel design and strong practicability.
Description
Technical Field
The invention relates to passenger car equipment and a control method thereof, in particular to passenger car back wall equipment capable of reducing resistance and a control method thereof.
Background
A large number of researches show that only an automobile with good aerodynamic characteristics can ensure good dynamic performance, economy, steering stability and comfortableness, and only a model with an optimal aerodynamic shape can be alive, so that the aerodynamic characteristics of the automobile are important performances for determining whether the automobile can win in market competition;
in order to improve aerodynamic performance, the current passenger car mainly reduces wind resistance by additionally installing guide plates such as a simple guide cover, a tail wing and the like, has a simple structure, has a small resistance reducing effect, and does not obviously improve fuel economy.
Disclosure of Invention
The invention provides a passenger car rear wall device capable of reducing resistance and a control method thereof, and mainly aims to overcome the defects that an existing passenger car guide plate is simple in structure, low in resistance reducing effect and unobvious in fuel economy improvement.
In order to solve the technical problems, the invention adopts the following technical scheme:
a passenger car rear wall device capable of reducing resistance comprises
The upper guide plate is movably connected with the upper top of the passenger car;
the rear deflector is movably connected with the rear periphery of the passenger car;
the tail guide plate is arranged above the tail of the passenger car and is respectively and movably connected with the upper guide plate and the rear guide plate;
and the electric control module can automatically control the downward deflection of the upper deflector, the forward deflection of the rear deflector and the unfolding of the tail deflector when the vehicle speed exceeds a set value (80 ㎞/h-120 ㎞/h).
Further, the electric control module comprises an instrument controller, a motor and a transmission mechanism, wherein the instrument controller obtains a speed signal of a passenger car and sends a corresponding instruction to the motor after judging, and the motor executes the instruction so as to control the transmission mechanism to drive the upper guide plate, the rear guide plate and the tail guide plate to make corresponding actions.
Further, the device also comprises a rocker switch which is used for manually controlling the actions of the upper deflector, the rear deflector and the tail deflector.
Further, the rocker switch comprises a first gear, a second gear and a third gear, wherein the first gear takes precedence over a speed signal acquired by the instrument controller and controls the upper deflector to deflect downwards, the rear deflector to deflect forwards and the tail deflector to expand; the second gear takes precedence over the speed signal acquired by the instrument controller and controls the upper deflector, the rear deflector and the tail deflector to restore; and the third gear can enable the electronic control module to resume automatic control.
Further, an included angle between the upper guide plate and the horizontal direction after downward deflection is alpha (1-11 degrees), an included angle between the rear guide plate and the vertical direction after forward deflection is delta (15-25 degrees), and an included angle between the rear guide plate after the rear guide plate is unfolded and the rear guide plate after forward deflection is beta (95-105 degrees).
Further, the angle value of α is 6 °, the angle value of δ is 20 °, and the angle value of β is 100 °.
Further, the set value is 80 ㎞/h.
A control method of a passenger car rear wall device capable of reducing resistance comprises the following steps:
1) In the running process of the passenger car, when an instrument controller in the electric control module detects that the running speed of the passenger car exceeds a set value (80 ㎞/h-120 ㎞/h), an instruction is sent to a motor in the electric control module, so that the motor controls a transmission mechanism in the electric control module to drive an upper guide plate to deflect downwards to an included angle alpha (1-11 degrees) with the horizontal direction, drive a rear guide plate to deflect forwards to an included angle delta (15-25 degrees) with the vertical direction, and drive a tail guide plate to expand to an included angle beta (95-105 degrees) with the rear guide plate deflected forwards;
2) When the instrument controller detects that the running speed of the passenger car is lower than the set value, an instruction is sent to the motor, so that the motor controls the transmission mechanism to drive the upper guide plate, the rear guide plate and the tail guide plate to restore;
3) When the automatic control is not needed, the action of the upper deflector, the rear deflector and the tail deflector is manually controlled through the rocker switch.
Further, the angle value of α is 6 °, the angle value of δ is 20 °, and the angle value of β is 100 °.
Further, the manual control method through the rocker switch comprises the following steps: the motor is led to directly control the downward deflection of the upper deflector, the forward deflection of the rear deflector and the unfolding of the tail deflector in preference to the speed signal acquired by the instrument controller by adjusting to the first gear of the rocker switch; the motor is controlled to directly control the upper deflector, the rear deflector and the tail deflector to restore to the original state in preference to the speed signal acquired by the instrument controller by adjusting to the second gear of the rocker switch; and adjusting to a third gear of the rocker switch to enable the electronic control module to resume automatic control.
Compared with the prior art, the invention has the beneficial effects that:
the invention realizes the improvement and control of the rear periphery of the passenger car by arranging the upper guide plate, the rear guide plate and the tail guide plate, can effectively comb the tail turbulence of the vehicle, reduce the wind resistance during high-speed running, reduce the fuel consumption rate of the automobile and improve the energy utilization rate; in addition, the invention improves the structure of the passenger car, hardly increases the weight of the vehicle, has simple structure, novel design and strong practicability.
Drawings
Fig. 1 is a schematic structural view of a passenger car in a normal state.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the passenger car in the high-speed driving state according to the present invention.
Fig. 5 is a side view of fig. 4.
Fig. 6 is a top view of fig. 4.
Fig. 7 is a schematic back view of fig. 4.
Fig. 8 is a control schematic block diagram of the present invention.
Detailed Description
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Reference is made to fig. 1, 2, 3, 4, 5, 6, 7 and 8. A passenger car rear wall device capable of reducing resistance comprises
The upper deflector 1 is movably connected with the upper roof 5 of the passenger car;
the rear deflector 2 is movably connected with the rear wall 6 of the passenger car;
the tail guide plate 3 is arranged above the tail 7 of the passenger car and is respectively and movably connected with the upper guide plate 1 and the rear guide plate 2;
the electronic control module 4 can automatically control the downward deflection of the upper deflector 1, the forward deflection of the rear deflector 2 and the unfolding of the tail deflector 3 when the vehicle speed exceeds a set value (80 ㎞/h-120 ㎞/h).
The invention realizes the improvement and control of the rear periphery of the passenger car by arranging the upper guide plate 1, the rear guide plate 2 and the tail guide plate 3, can effectively comb the tail turbulence of the vehicle, reduce the wind resistance during high-speed running, reduce the fuel consumption rate of the automobile and improve the energy utilization rate; in addition, the invention improves the structure of the passenger car, hardly increases the weight of the vehicle, has simple structure, novel design and strong practicability.
Refer to fig. 8. Specifically, the electronic control module 4 includes an instrument controller 41, a motor 42 and a transmission mechanism 43, where the instrument controller 41 obtains a speed signal of the passenger car and sends a corresponding instruction to the motor 42 after judging, and the motor 42 executes the instruction, so that the transmission mechanism 43 is controlled to drive the upper deflector 1, the rear deflector 2 and the tail deflector 3 to perform corresponding actions. The instrument controller, the motor and the transmission mechanism all adopt devices in the existing passenger car, and the motor is positioned below a rear row of steps of the passenger car and is not described again here.
Refer to fig. 8. The device also comprises a rocker switch 8 which is used for manually controlling the actions of the upper deflector 1, the rear deflector 2 and the tail deflector 3. Specifically, the rocker switch 8 includes a first gear 81, a second gear 82, and a third gear 83, where the first gear 81 can take precedence over the speed signal acquired by the instrument controller 41 and control the upper deflector 1 to deflect downward, the rear deflector 2 to deflect forward, and the tail deflector 3 to expand; the second gear 82 can take precedence over the speed signal acquired by the instrument controller 41 and control the upper deflector 1, the rear deflector 2 and the tail deflector 3 to restore to original states; the third gear 83 enables the electronic control module 4 to resume automatic control.
Refer to fig. 5. Specifically, the included angle between the downward deflection of the upper deflector 1 and the horizontal direction is alpha (1-11 degrees), the included angle between the forward deflection of the rear deflector 2 and the vertical direction is delta (15-25 degrees), and the included angle between the expanded rear deflector 3 and the forward deflection of the rear deflector 2 is beta (95-105 degrees). In this example, the angle value of α is 6 °, the angle value of δ is 20 °, the angle value of β is 100 °, and the set value is 80 ㎞/h.
Reference is made to fig. 1, 2, 3, 4, 5, 6, 7 and 8. A control method of a passenger car rear wall device capable of reducing resistance comprises the following steps:
step one
In the running process of the passenger car, when the instrument controller 41 in the electric control module 4 detects that the running speed of the passenger car exceeds a set value (80 ㎞/h-120 ㎞/h), an instruction is sent to the motor 42 in the electric control module, so that the motor controls the transmission mechanism 43 in the electric control module to drive the upper guide plate 1 to deflect downwards to an included angle alpha (1-11 degrees) with the horizontal direction, drive the rear guide plate 2 to deflect forwards to an included angle delta (15-25 degrees) with the vertical direction and drive the tail guide plate 3 to expand to an included angle beta (95-105 degrees) with the rear guide plate 2 deflected forwards;
the optimal scheme is as follows: the angle value of alpha is 6 degrees, the angle value of delta is 20 degrees, the angle value of beta is 100 degrees, and the set value is 80 ㎞/h.
Step two
When the instrument controller 41 detects that the running speed of the passenger car is lower than the set value, an instruction is sent to the motor 42, so that the motor control transmission mechanism 43 drives the upper deflector 1, the rear deflector 2 and the tail deflector 3 to restore to the original state.
Step three
When the automatic control is not needed, the upper deflector 1, the rear deflector 2 and the tail deflector 3 are manually controlled to act through the rocker switch 8.
The manual control method through the rocker switch comprises the following steps: the first gear 81 of the rocker switch 8 is adjusted to enable the motor 42 to directly control the upper deflector 1 to deflect downwards, the rear deflector 2 to deflect forwards and the tail deflector 3 to be unfolded in preference to the speed signal acquired by the instrument controller 41; the motor 42 is directly controlled to restore the upper deflector 1, the rear deflector 2 and the tail deflector 3 in preference to the speed signal acquired by the instrument controller 41 by adjusting to the second gear 82 of the rocker switch; the adjustment to the third gear 83 of the rocker switch brings the electronic control module 4 back into automatic control.
The foregoing is merely illustrative of specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the design concept shall fall within the scope of the present invention.
Claims (8)
1. But enclose equipment behind passenger train of resistance-reducing, its characterized in that: comprising
The upper guide plate is movably connected with the upper top of the passenger car;
the rear deflector is movably connected with the rear periphery of the passenger car;
the tail guide plate is arranged above the tail of the passenger car and is respectively and movably connected with the upper guide plate and the rear guide plate;
the electric control module can automatically control the downward deflection of the upper deflector, the forward deflection of the rear deflector and the unfolding of the tail deflector when detecting that the vehicle speed exceeds the set value of 80 ㎞/h-120 ㎞/h; the included angle alpha between the upper guide plate and the horizontal direction after downward deflection is 1-11 degrees, the included angle delta between the rear guide plate and the vertical direction after forward deflection is 15-25 degrees, and the included angle beta between the rear guide plate after the tail guide plate is unfolded and the rear guide plate after forward deflection is 95-105 degrees; the electric control module comprises an instrument controller, a motor and a transmission mechanism, wherein the instrument controller obtains a speed signal of a passenger car and sends out a corresponding instruction to the motor after judging, and the motor executes the instruction so as to control the transmission mechanism to drive the upper guide plate, the rear guide plate and the tail guide plate to make corresponding actions.
2. A drag-reducing passenger car back wall device as defined in claim 1, wherein: the device also comprises a rocker switch which is used for manually controlling the actions of the upper deflector, the rear deflector and the tail deflector.
3. A drag-reducing passenger car back wall device as defined in claim 2, wherein: the rocker switch comprises a first gear, a second gear and a third gear, wherein the first gear takes precedence over a speed signal acquired by the instrument controller and controls the upper deflector to deflect downwards, the rear deflector to deflect forwards and the tail deflector to expand; the second gear takes precedence over the speed signal acquired by the instrument controller and controls the upper deflector, the rear deflector and the tail deflector to restore; and the third gear can enable the electronic control module to resume automatic control.
4. A drag-reducing passenger car back wall device as defined in claim 1, wherein: the angle value of alpha is 6 degrees, the angle value of delta is 20 degrees, and the angle value of beta is 100 degrees.
5. A drag-reducing passenger car back wall device as defined in claim 1, wherein: the set value is 80 ㎞/h.
6. The control method of a passenger car back wall device capable of reducing resistance as set forth in claim 1, comprising the steps of:
in the running process of the passenger car, when an instrument controller in the electric control module detects that the running speed of the passenger car exceeds a set value of 80 ㎞/h-120 ㎞/h, an instruction is automatically sent to a motor in the electric control module, so that the motor controls a transmission mechanism in the electric control module to drive an upper guide plate to deflect downwards to an included angle alpha of 1-11 degrees with the horizontal direction, drive a rear guide plate to deflect forwards to an included angle delta of 15-25 degrees with the vertical direction, and drive a tail guide plate to expand to an included angle beta of 95-105 degrees with the rear guide plate deflected forwards;
when the instrument controller detects that the running speed of the passenger car is lower than the set value, automatically sending an instruction to the motor, so that the motor controls the transmission mechanism to drive the upper guide plate, the rear guide plate and the tail guide plate to restore;
when the automatic control is not needed, the action of the upper deflector, the rear deflector and the tail deflector is manually controlled through the rocker switch.
7. The control method of the passenger car back wall equipment capable of reducing resistance as set forth in claim 6, wherein: the angle value of alpha is 6 degrees, the angle value of delta is 20 degrees, and the angle value of beta is 100 degrees.
8. The control method of the passenger car back wall equipment capable of reducing resistance as set forth in claim 6, wherein: the manual control method through the rocker switch comprises the following steps: the motor is led to directly control the downward deflection of the upper deflector, the forward deflection of the rear deflector and the unfolding of the tail deflector in preference to the speed signal acquired by the instrument controller by adjusting to the first gear of the rocker switch; the motor is controlled to directly control the upper deflector, the rear deflector and the tail deflector to restore to the original state in preference to the speed signal acquired by the instrument controller by adjusting to the second gear of the rocker switch; and adjusting to a third gear of the rocker switch to enable the electronic control module to resume automatic control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107077.7A CN108583697B (en) | 2018-02-02 | 2018-02-02 | Passenger car rear wall equipment capable of reducing resistance and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107077.7A CN108583697B (en) | 2018-02-02 | 2018-02-02 | Passenger car rear wall equipment capable of reducing resistance and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108583697A CN108583697A (en) | 2018-09-28 |
| CN108583697B true CN108583697B (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810107077.7A Active CN108583697B (en) | 2018-02-02 | 2018-02-02 | Passenger car rear wall equipment capable of reducing resistance and control method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111319679B (en) * | 2018-12-14 | 2021-12-17 | 郑州宇通客车股份有限公司 | Passenger car and car body framework thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH231386A (en) * | 1942-08-17 | 1944-03-15 | Ringhoffer Tatra Werke Ag | Car body for high-speed motor vehicles. |
| CZ905888A3 (en) * | 1988-12-30 | 1993-04-14 | Skoda Kp | Device for the reduction of aerodynamic resistance of a vehicle |
| DE102008036283B4 (en) * | 2008-08-04 | 2017-06-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Rear-side spoiler for a motor vehicle |
| DE102009054570A1 (en) * | 2009-12-11 | 2011-06-16 | Jost-Werke Gmbh | air Circulation System |
| CN103079942B (en) * | 2010-07-22 | 2016-03-09 | 沃尔沃卡车集团 | There is the vehicle of the deformable roof for improving aerodynamic performance |
| CN207773289U (en) * | 2018-02-02 | 2018-08-28 | 厦门金龙联合汽车工业有限公司 | Peripheral equipment after a kind of car dropping resistance |
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| CN108583697A (en) | 2018-09-28 |
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