CN107499399A - A kind of double-deck adjustable kuppe tangent with container holding and method of river diversion - Google Patents
A kind of double-deck adjustable kuppe tangent with container holding and method of river diversion Download PDFInfo
- Publication number
- CN107499399A CN107499399A CN201710693032.8A CN201710693032A CN107499399A CN 107499399 A CN107499399 A CN 107499399A CN 201710693032 A CN201710693032 A CN 201710693032A CN 107499399 A CN107499399 A CN 107499399A
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- kuppe
- outer layer
- container
- position sensor
- controller
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Classifications
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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
- B62D35/001—For commercial vehicles or tractor-trailer combinations, e.g. caravans
-
- 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)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The present invention provides a kind of double-deck adjustable kuppe tangent with container holding, including kuppe cover body, kuppe cover body include kuppe outer layer and kuppe internal layer；One section circular arc being projected as a full circle of the upper surface curved surface of kuppe outer layer in automobile longitudinal plane, the curvature of kuppe internal layer are identical with kuppe outer layer；Kuppe also includes position sensor, pressure sensor, controller and magnetic valve；Controller is used for the data gathered according to position sensor and pressure sensor, passes through solenoid valve control elevating mechanism peace pushing mechanism so that the top of kuppe outer layer with place plane is tangent at the top of container and kuppe internal layer is bonded with kuppe outer layer.Double-deck kuppe provided by the invention, kuppe outer layer ensure kuppe outer layer upper surface curved surface all the time with container at the top of where the tangent transition of plane, kuppe internal layer supplements the gap between outer layer kuppe and driver's cabin top, and drag-reduction effect remains preferable state before and after making regulation.
Description
Technical field
The invention belongs to technical field of automobile parts, and in particular to a kind of that tangent double-deck adjustable water conservancy diversion is kept with container
Cover and method of river diversion.
Background technology
During traveling, some energy is used to overcome air drag, the value added and car of air drag automobile
Fast value added it is square proportional, when speed reaches more than 200km/h, air drag can account for the 85% of all car resistances.
For truck, increase kuppe improves aerodynamic characteristic, will be obviously improved fuel economy.And the kuppe peace of existing truck
Position is usually and immobilized after dress, only can play preferable drag-reduction effect to the container of level altitude.But in actual use,
The height of container can change because being actually needed, and these situations can substantially reduce the effect of kuppe.
Some current existing adjustable kuppes, typically belong to manual regulation, add labor intensity, even
The kuppe automatically adjusted, preferable drag reduction is kept to imitate as far as possible when being only merely and take into account adjustable guarantee regulation
Fruit, it could even be possible to aerodynamic drag can be increased.
The content of the invention
The technical problem to be solved in the present invention is：A kind of double-deck adjustable kuppe and water conservancy diversion tangent with container holding are provided
Method, preferably drag-reduction effect during regulation can be ensured.
The technical solution taken by the invention to solve the above technical problem is：A kind of bilayer tangent with container holding can
Adjust kuppe, including kuppe cover body, it is characterised in that：Described kuppe cover body is included in kuppe outer layer and kuppe
Layer；
One section circular arc being projected as a full circle of the upper surface curved surface of kuppe outer layer in automobile longitudinal plane, outside kuppe
The inside top of layer is connected by the top of elevating mechanism and vehicle cab, the plan vertical of elevating mechanism and driver's cabin and
It is vertical with the section at the top of kuppe outer layer；The curvature of kuppe internal layer is identical with kuppe outer layer, and kuppe internal layer
Bottom and the top contact of driver's cabin；
This kuppe also includes being arranged on horizontal sliding mechanism at the top of driver's cabin, the movable end of horizontal sliding mechanism with described kuppe
The inside connection of layer, the running orbit of horizontal sliding mechanism are the horizontal fore-and-aft direction of vehicle；
This kuppe also includes position sensor, pressure sensor, controller and magnetic valve；Position sensor is arranged on kuppe
The inside top of outer layer, signal detection direction are the rear horizontal direction of vehicle；Before pressure sensor is arranged on kuppe outer layer
The bottom in portion；The output end of position sensor and pressure sensor is connected with controller respectively, and the output end of controller is led to respectively
Cross solenoid valve control elevating mechanism peace pushing mechanism；Controller is used for the number gathered according to position sensor and pressure sensor
According to passing through solenoid valve control elevating mechanism peace pushing mechanism so that plane phase where at the top of the top of kuppe outer layer and container
Cut and kuppe internal layer is bonded with kuppe outer layer.
By such scheme, described elevating mechanism is hydraulic stem, and one end of hydraulic stem passes through bolt and kuppe outer layer
Inside top connects, and the other end of hydraulic stem is fixed on the top of driver's cabin by base, and hydraulic stem passes through electromagnetism by controller
Valve controls.
By such scheme, described horizontal sliding mechanism includes guide rail, push rod and drive mechanism；Wherein, guide rail is fixed on driving
The top of room；The driving of the bottom mechanism driven of push rod is slided in guide rail, the inside of push rod and described kuppe internal layer
It is fixedly connected；Described drive mechanism passes through solenoid valve control by controller.
By such scheme, described position sensor is optoelectronic switch, infrared position sensor, laser position sensors
Or Pulsed position sensor.
Utilize the method for river diversion that tangent double-deck adjustable kuppe realization is kept with container, it is characterised in that：It
Including：
After container is installed, if position sensor detects return signal, control lowering or hoisting gear rises, until position sensor
Stop when just can't detect return signal；Horizontal sliding mechanism is controlled to promote forward simultaneously, until the pressure of pressure sensor detection
Value reaches default pressure threshold；
After container is installed, if position sensor can't detect return signal, control lowering or hoisting gear declines, until position sensing
Device stops when just detecting return signal；Control horizontal sliding mechanism to promote backward simultaneously, and ensure to press when lowering or hoisting gear stops
The pressure value of force snesor detection reaches default pressure threshold.
Beneficial effects of the present invention are：Double-deck kuppe provided by the invention, internal and external parts is overlapping, kuppe outer layer according to
The height of container up and down adjust, ensure kuppe outer layer upper surface curved surface all the time with container at the top of where the tangent transition of plane,
And the gap between the movable regulation supplement outer layer kuppe of kuppe internal layer and driver's cabin top, drag reduction is imitated before and after making regulation
Fruit remains preferable state.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the layer structure schematic diagram of one embodiment of the invention.
Fig. 3 is the hardware block diagram of one embodiment of the invention.
Fig. 4 is the method flow diagram of one embodiment of the invention.
In figure：1-kuppe outer layer, 2-kuppe internal layer, 3-hydraulic stem, 4-base, 5-sliding block, 6-guide rail,
7-push rod, 8-position sensor, 9-pressure sensor.
Embodiment
With reference to instantiation and accompanying drawing, the present invention will be further described.
The present invention provides a kind of double-deck adjustable kuppe tangent with container holding, as shown in Figure 1 to Figure 3, including water conservancy diversion
Cover cover body, described kuppe cover body include kuppe outer layer 1 and kuppe internal layer 2；The upper surface curved surface of kuppe outer layer 1 exists
One section of circular arc for being projected as a full circle in automobile longitudinal plane, the inside top of kuppe outer layer 1 by elevating mechanism with
The top connection of vehicle cab, the plan vertical of elevating mechanism and driver's cabin and hangs down with the section at the top of kuppe outer layer 1
Directly；The curvature of kuppe internal layer 2 is identical with kuppe outer layer 1, and the top contact of the bottom of kuppe internal layer 2 and driver's cabin；
This kuppe also includes being arranged on the horizontal sliding mechanism at the top of driver's cabin, the movable end of horizontal sliding mechanism and described kuppe internal layer 2
Inside connection, the running orbit of horizontal sliding mechanism is the horizontal fore-and-aft direction of vehicle；This kuppe also include position sensor 8,
Pressure sensor 9, controller and magnetic valve；Position sensor 8 is arranged on the inside top of kuppe outer layer 1, signal detection side
To the rear horizontal direction for vehicle；Pressure sensor 9 is arranged on the anterior bottom of kuppe outer layer 1；Position sensor 8 and pressure
The output end of force snesor 9 is connected with controller respectively, the output end of controller respectively by solenoid valve control elevating mechanism and
Horizontal sliding mechanism；Controller is used for the data gathered according to position sensor 8 and pressure sensor 9, is lifted by solenoid valve control
Mechanism peace pushing mechanism so that the top of kuppe outer layer 1 with the top of container where plane is tangent and kuppe internal layer 2 with
Kuppe outer layer 1 is bonded.Controller selects PLC in the present embodiment.
Described elevating mechanism is hydraulic stem 3, and one end of hydraulic stem 3 passes through the inside top of bolt and kuppe outer layer 1
Connection, the other end of hydraulic stem 3 are fixed on the top of driver's cabin by base 4, and hydraulic stem 3 passes through magnetic valve control by controller
System.
Described horizontal sliding mechanism includes guide rail 6, push rod 7 and drive mechanism；Wherein, guide rail 6 is fixed on the top of driver's cabin；
The driving of the bottom mechanism driven of push rod 7 is slided in guide rail 6, and the inside of push rod 7 and described kuppe internal layer 2, which is fixed, to be connected
Connect；Described drive mechanism passes through solenoid valve control by controller.In the present embodiment, drive mechanism is also hydraulic stem 3.
Described position sensor 8 is optoelectronic switch, infrared position sensor, laser position sensors or pulse position
Sensor.
Using the method for river diversion that tangent double-deck adjustable kuppe realization is kept with container, as shown in figure 4, it is wrapped
Include：
After container is installed, if position sensor 8 detects return signal, control lowering or hoisting gear rises, until position sensing
Device 8 stops when just can't detect return signal；Control horizontal sliding mechanism to promote forward simultaneously, detected until pressure sensor 9
Pressure value reaches default pressure threshold.Driver selects to decline function, positioned at the top of kuppe outer layer 1 sensor emission with
Signal in the tangent horizontal direction of the curved surface of kuppe outer layer 1, position sensor 8 can constantly receive the letter that container reflects
Number, when being not received by reflected signal, controller control magnetic valve, shrink the hydraulic stem 3 in horizontal direction, in kuppe
Layer 2 returns to initial position.At the same time the hydraulic stem 3 in vertical direction starts to shrink at, and kuppe outer layer 1 steadily declines, and is located at
When the sensor at top receives reflected signal, controller makes the stop motion at once of hydraulic stem 3, and kuppe outer layer 1 completes regulation.
At the same time the hydraulic stem 3 in controller controlled level direction is overhanging, and the pressure sensor 9 of the inside front ends of kuppe outer layer 1 measures
When ectonexine thrust reaches threshold values, the controller control stop motion of hydraulic stem 3, kuppe regulation is completed.
After container is installed, if position sensor 8 can't detect return signal, control lowering or hoisting gear declines, Zhi Daowei
Put when sensor 8 just detects return signal and stop；Control horizontal sliding mechanism to promote backward simultaneously, and ensure to stop in lowering or hoisting gear
The pressure value that pressure sensor 9 detects when only reaches default pressure threshold.Driver selects to rise function, outside kuppe
The transmitting of position sensor 8 and the signal in the tangent horizontal direction of the curved surface of kuppe outer layer 1 at the top of layer 1, while position sensing
The signal that the reception of the meeting of device 8 constantly is reflected by container, when there is signal reflex to return, controller gives magnetic valve electric signal,
Increase oil pressure in hydraulic stem cylinder, make kuppe outer layer 1 is gentle in vertical direction to rise, kuppe internal layer 2 is in the horizontal direction
It is steady mobile.Until when position sensor 8 does not receive the signal reflected, controller will make vertical direction at once
The stop motion of hydraulic stem 3.Kuppe internal layer 2 touches pressure sensor when moving horizontally, after thrust reaches certain value,
Controller can receive pressure sensor signal, the stop motion of hydraulic stem 3 in controlled level direction, complete kuppe regulation, and
Ensure that regulation after with the tangent transition at the top of container.
Kuppe outer layer is the Three dimensional streamline close to cylindroid, and the inscribed circle holding of its side wall and container side wall is tangent
Transition, curved surface and the container top planes of its upper surface form tangent transition, and fore-and-aft direction length is less than the length of truck cab
Degree；The inside top of kuppe outer layer 1 is fixedly connected by the way that bolt is vertical with the push rod of hydraulic stem, and the oil cylinder of hydraulic stem passes through base
With being fixed with roof, hydraulic stem is set to remain vertical relation with roof.
The kuppe internal layer 2, the curvature of surface curve and the curvature of the upper surface of kuppe outer layer 1 keep one thereon
Cause, kuppe ectonexine can keep closely being bonded, so that the upper surface of kuppe cover body whole kuppe after highly adjusting
Curvature keeps continuous as far as possible；The inner side of the front end of kuppe internal layer 2 is connected with push rod 7, and the center section of push rod 7 passes through with sliding block 5
Bolt connection, sliding block 5 are assemblied on guide rail 6 and can slidably reciprocated, and guide rail 6 is fixed at the top of driver's cabin, is connected with kuppe internal layer 2
The push rod 7 for the hydraulic stem 3 that the push rod other end connect is arranged with horizontal direction is bolted to connection, horizontal direction hydraulic stem 3
Oil cylinder one end and base be fastened at the top of driver's cabin.Guide rail 6 belongs to counterpart with sliding block 5, and guide rail 6 is fixed on driver's cabin
Top, the other end of push rod 7 are connected by bolt with hydraulic stem 3, and oil cylinder one end of hydraulic stem 3 with base by being connected and fixed on
At the top of driver's cabin, the flexible promotion push rod 7 of hydraulic stem 3 moves in the horizontal direction along the direction of guide rail 6, realizes kuppe internal layer 2
Move in the horizontal direction.
Hydraulic pressure rod oil cylinder horizontally and vertically is by solenoid valve control, the output end phase of magnetic valve and electric control gear
Even, electric control gear is by the signal transacting to position sensor 8 and pressure sensor 9, controls the opening and closing of magnetic valve to control oil
The oil pressure of cylinder, and then the flexible of hydraulic stem 3 is controlled, so that kuppe outer layer 1 adjusts height, kuppe internal layer in vertical direction
2 move horizontally in the horizontal direction with the regulation of outer layer, keep the continual curvature of the whole upper surface of kuppe.So as to real
Now during whole regulation, the curved surface of the upper surface of kuppe is kept to keep tangent transition with place plane at the top of container.
Hardware by position sensor 8, pressure sensor 9, controller and solenoid valve block into, realize closed loop adjust.Work as startup
After automatically adjusting, the signal measured is sent to controller by sensor, and controller output electric signal controls the electricity inside hydraulic stem 3
The opening and closing of magnet valve, and then hydraulic stem 3 promotes kuppe ectonexine to do horizontal and vertical movement, realizes kuppe when adjusting height
Keep and the tangent transition at the top of container, by the constantly feedback of sensor, the accurate regulation of realization.Reaching tangent transition position
When putting, controller stop signal output, closed electromagnetic valve, hydraulic stem 3 is stopped, and kuppe is fixed, and is entirely automatically adjusted
Journey is completed.
It is rise or reduction to manually select kuppe outer layer 1, after the selection of kuppe function is completed.Biography positioned at top
Sensor and the sensor of front end, constantly transmitting and reception signal, the signal that processing unit transmits according to sensor it can judge whether
Need to perform adjustment, if performing adjustment, send instruction to the magnetic valve inside hydraulic stem, kuppe ectonexine is coordinated fortune
It is dynamic, sensor constantly monitor kuppe whether reach with container top surface tangency location, stop adjustment if reaching, otherwise continue
Adjustment, until reaching accurate location.
The present invention is simple in construction, and easy for installation, stable working, quality is moderate, securely and reliably.When startup automatic regulation function
Afterwards, it is not necessary to artificial operation, according to kuppe upper surface curved surface and container tangential excessively and in side wall and container inwall
Drag-reduction effect favourable achievement in research when the circle of contact is tangent excessive, is automatically performed regulation, ensure that the effect of regulation.Reduce resistance
Power, improve fuel economy.
Above example is merely to illustrate the design philosophy and feature of the present invention, and its object is to make technology in the art
Personnel can understand present disclosure and implement according to this, and protection scope of the present invention is not limited to above-described embodiment.So it is all according to
The equivalent variations made according to disclosed principle, mentality of designing or modification, within protection scope of the present invention.
Claims (5)
1. a kind of keep tangent double-deck adjustable kuppe, including kuppe cover body with container, it is characterised in that：Described water conservancy diversion
Cover cover body includes kuppe outer layer and kuppe internal layer；
One section circular arc being projected as a full circle of the upper surface curved surface of kuppe outer layer in automobile longitudinal plane, outside kuppe
The inside top of layer is connected by the top of elevating mechanism and vehicle cab, the plan vertical of elevating mechanism and driver's cabin and
It is vertical with the section at the top of kuppe outer layer；The curvature of kuppe internal layer is identical with kuppe outer layer, and on the inside of kuppe
Bottom and the top contact of driver's cabin；
This kuppe also includes being arranged on horizontal sliding mechanism at the top of driver's cabin, the movable end of horizontal sliding mechanism with described kuppe
The inside connection of layer, the running orbit of horizontal sliding mechanism are the horizontal fore-and-aft direction of vehicle；
This kuppe also includes position sensor, pressure sensor, controller and magnetic valve；Position sensor is arranged on kuppe
The inside top of outer layer, signal detection direction are the rear horizontal direction of vehicle；Before pressure sensor is arranged on kuppe outer layer
The bottom in portion；The output end of position sensor and pressure sensor is connected with controller respectively, and the output end of controller is led to respectively
Cross solenoid valve control elevating mechanism peace pushing mechanism；Controller is used for the number gathered according to position sensor and pressure sensor
According to passing through solenoid valve control elevating mechanism peace pushing mechanism so that plane phase where at the top of the top of kuppe outer layer and container
Cut and kuppe internal layer is bonded with kuppe outer layer.
2. according to claim 1 keep tangent double-deck adjustable kuppe with container, it is characterised in that：Described lifting
Mechanism is hydraulic stem, and one end of hydraulic stem is connected by bolt with the inside top of kuppe outer layer, and the other end of hydraulic stem leads to
The top that base is fixed on driver's cabin is crossed, hydraulic stem passes through solenoid valve control by controller.
3. according to claim 1 keep tangent double-deck adjustable kuppe with container, it is characterised in that：Described horizontal sliding
Mechanism includes guide rail, push rod and drive mechanism；Wherein, guide rail is fixed on the top of driver's cabin；The bottom mechanism driven of push rod
Driving slided in guide rail, push rod is fixedly connected with the inside of described kuppe internal layer；Described drive mechanism is by controlling
Device passes through solenoid valve control.
4. according to claim 1 keep tangent double-deck adjustable kuppe with container, it is characterised in that：Described position
Sensor is optoelectronic switch, infrared position sensor, laser position sensors or Pulsed position sensor.
5. utilize the method for river diversion that tangent double-deck adjustable kuppe realization is kept with container described in claim 1, its feature
It is：It includes：
After container is installed, if position sensor detects return signal, control lowering or hoisting gear rises, until position sensor
Stop when just can't detect return signal；Horizontal sliding mechanism is controlled to promote forward simultaneously, until the pressure of pressure sensor detection
Value reaches default pressure threshold；
After container is installed, if position sensor can't detect return signal, control lowering or hoisting gear declines, until position sensing
Device stops when just detecting return signal；Control horizontal sliding mechanism to promote backward simultaneously, and ensure to press when lowering or hoisting gear stops
The pressure value of force snesor detection reaches default pressure threshold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693032.8A CN107499399B (en) | 2017-08-14 | 2017-08-14 | Double-layer adjustable air guide sleeve tangent with container and air guide method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710693032.8A CN107499399B (en) | 2017-08-14 | 2017-08-14 | Double-layer adjustable air guide sleeve tangent with container and air guide method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107499399A true CN107499399A (en) | 2017-12-22 |
| CN107499399B CN107499399B (en) | 2020-01-14 |
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ID=60691582
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710693032.8A Active CN107499399B (en) | 2017-08-14 | 2017-08-14 | Double-layer adjustable air guide sleeve tangent with container and air guide method |
Country Status (1)
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313141A (en) * | 2018-01-31 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of cab roof water conservancy diversion closure assembly |
| CN110116762A (en) * | 2019-05-16 | 2019-08-13 | 安徽科瑞特模塑有限公司 | A kind of intelligent automatic adjustable lorry pod |
| CN110254535A (en) * | 2019-07-24 | 2019-09-20 | 合肥东胜新能源汽车股份有限公司 | A kind of pod being electrically adjusted and its control method |
| CN111516765A (en) * | 2019-02-01 | 2020-08-11 | 陕西重型汽车有限公司 | Intelligent adjusting system and method for air guide sleeve, self-adjusting air guide sleeve and vehicle |
| CN111907609A (en) * | 2019-05-08 | 2020-11-10 | 安徽科瑞特模塑有限公司 | Kuppe with limit for height monitor function |
| CN113771964A (en) * | 2021-10-08 | 2021-12-10 | 安徽理工大学 | Full-cover type automobile air guide sleeve with driving mechanism |
| CN114313034A (en) * | 2022-01-05 | 2022-04-12 | 一汽解放汽车有限公司 | Control system and method of air guide sleeve mechanism and commercial vehicle |
| CN116039780A (en) * | 2022-12-15 | 2023-05-02 | 嬴彻星创智能科技(上海)有限公司 | Method and device for adjusting wind resistance of vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108313141A (en) * | 2018-01-31 | 2018-07-24 | 安徽江淮汽车集团股份有限公司 | A kind of cab roof water conservancy diversion closure assembly |
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| CN111516765A (en) * | 2019-02-01 | 2020-08-11 | 陕西重型汽车有限公司 | Intelligent adjusting system and method for air guide sleeve, self-adjusting air guide sleeve and vehicle |
| CN111907609A (en) * | 2019-05-08 | 2020-11-10 | 安徽科瑞特模塑有限公司 | Kuppe with limit for height monitor function |
| CN110116762A (en) * | 2019-05-16 | 2019-08-13 | 安徽科瑞特模塑有限公司 | A kind of intelligent automatic adjustable lorry pod |
| CN110116762B (en) * | 2019-05-16 | 2021-11-16 | 安徽科瑞特模塑有限公司 | Intelligent automatically regulated formula freight train kuppe |
| CN110254535A (en) * | 2019-07-24 | 2019-09-20 | 合肥东胜新能源汽车股份有限公司 | A kind of pod being electrically adjusted and its control method |
| CN113771964A (en) * | 2021-10-08 | 2021-12-10 | 安徽理工大学 | Full-cover type automobile air guide sleeve with driving mechanism |
| CN114313034A (en) * | 2022-01-05 | 2022-04-12 | 一汽解放汽车有限公司 | Control system and method of air guide sleeve mechanism and commercial vehicle |
| CN116039780A (en) * | 2022-12-15 | 2023-05-02 | 嬴彻星创智能科技(上海)有限公司 | Method and device for adjusting wind resistance of vehicle |
| CN116039780B (en) * | 2022-12-15 | 2024-09-20 | 嬴彻星创智能科技(上海)有限公司 | Method and device for adjusting wind resistance of vehicle |
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| Publication number | Publication date |
|---|---|
| CN107499399B (en) | 2020-01-14 |
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