Truck tail spoiler system capable of intelligently adjusting differential pressure resistance

Abstract

A spoiler system for the tail of a truck and capable of intelligently adjusting differential pressure resistance comprises a frame plate of the truck, symmetrical side spoilers are arranged at the two ends of the frame plate respectively, the top face and the bottom face of each side spoiler are each provided with a first spoiler through a first hinge, and each first spoiler is provided with a second spoiler through a second hinge; sliding rails are installed at the two ends of the servo electric push rod correspondingly, the interiors of the sliding rails are matched with an output rod of the servo electric push rod through guide rollers, a connecting rod is installed at the head of the output rod through a knuckle bearing, the head of the connecting rod is fixed to the second spoiler, and the servo electric push rod drives the output rod to stretch out and draw back. The connecting rod is driven to swing, so that the second spoiler is driven to swing; by applying the knuckle bearing, the pressure sensor and the intelligent control system, the opening and closing angle of the spoiler is monitored and adjusted in real time, the differential pressure resistance is reduced, and the fuel economy and the driving stability of the truck are improved.

Description

Technical Field

[0001] The invention relates to the technical field of truck manufacturing, in particular to a spoiler system for the rear of a truck capable of intelligently adjusting pressure difference resistance. Background Art

[0002] With the development of the truck transportation industry, improving the fuel economy and driving stability of trucks has become an important development direction of the industry. When designing and using traditional truck rear spoilers, they often cannot adjust the angle in real time according to driving conditions, resulting in large pressure difference resistance, which affects the fuel economy and driving stability of the truck. Therefore, developing a truck rear spoiler system that can intelligently adjust the pressure difference resistance is of great significance to improving the fuel economy and driving stability of the truck. Summary of the invention

[0003] In view of the shortcomings of the above-mentioned existing production technology, the applicant provides a spoiler system for the rear of a truck that can intelligently adjust the pressure difference resistance. By applying joint bearings, pressure sensors and intelligent control systems, the opening and closing angles of the spoiler can be monitored and adjusted in real time, so that the aerodynamic challenges during driving can be faced with the optimal posture, thereby reducing the pressure difference resistance and improving the fuel economy and driving stability of the truck.

[0004] The technical solution adopted by the present invention is as follows:

[0005] A spoiler system for the rear of a truck with intelligently adjustable pressure difference resistance, comprising a frame plate of a truck, symmetrical side spoilers are respectively arranged at both ends of the frame plate, a No. 1 spoiler is mounted on the top and bottom surfaces of a single side spoiler through a No. 1 hinge, and a No. 2 spoiler is mounted on the single No. 1 spoiler through a No. 2 hinge;

[0006] It also includes a spoiler driving device arranged symmetrically, and the structure of a single spoiler driving device is as follows: it includes a servo electric push rod, and two ends of the servo electric push rod are respectively installed with slide rails, the interior of the slide rail is matched with the output rod of the servo electric push rod through a guide roller, and the head of the output rod is installed with a connecting rod through a joint bearing, and the head of the connecting rod is fixed to the second spoiler, and the servo electric push rod drives the output rod to extend and retract, driving the connecting rod to swing, thereby driving the second spoiler to swing;

[0007] It also includes a controller, which is provided with a plurality of spaced upper air pressure sensors above the spoiler driving device, and a plurality of spaced lower air pressure sensors below the spoiler driving device. The controller is connected to the upper air pressure sensor and the lower air pressure sensor respectively through a control bus and a branch line.

[0008] Its further technical solution is:

[0009] Spoiler No. 1 is flush with spoiler No. 2.

[0010] Spoiler No. 1 is installed perpendicular to the side spoilers.

[0011] Spoiler No. 1 has a triangular structure.

[0012] The No. 2 spoiler has a trapezoidal structure.

[0013] Spoiler No. 1, spoiler No. 2 and side spoilers are all made of lightweight and high-strength materials.

[0014] When the side spoilers, spoiler No. 1 and spoiler No. 2 are all opened, they are in an open state.

[0015] When the side spoilers, spoiler No. 1 and spoiler No. 2 are stowed, they are folded at the rear of the frame plate.

[0016] The beneficial effects of the present invention are as follows:

[0017] The present invention has a compact and reasonable structure and is easy to operate. Through the cooperation between multiple spoilers, a spoiler driving device, a control system and other components, the opening and closing actions of the spoilers can be conveniently realized, and the control system is used to monitor and adjust the opening and closing angles of the spoilers in real time, so as to face the aerodynamic challenges during driving with the best posture, thereby reducing the pressure difference resistance and improving the fuel economy and driving stability of the truck.

[0018] At the same time, the present invention also has the following advantages:

[0019] (1) The present invention can monitor and adjust the opening and closing angles of the spoiler in real time, and the left and right sides are independent control units. Whether it is a straight road or a curve, it can face the aerodynamic challenges during driving with the best posture, thereby reducing the pressure difference resistance and improving the fuel economy and driving stability of the truck.

[0020] (2) The present invention has high strength and light weight; the structural parts of the spoiler and the driving device are made of lightweight but high-strength materials, and the structural parts of the driving device are all hollowed out, which not only reduces the overall weight but also improves durability.

[0021] (3) The control system of the present invention adopts a high-precision, high-reliability design to ensure the accuracy and stability of the measurement data. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the present invention.

[0023] Figure 2 It is a schematic structural diagram of the spoiler driving device of the present invention.

[0024] Figure 3 This is a control system diagram of the present invention.

[0025] Figure 4 It is a usage state process diagram of the present invention.

[0026] Among them: 1. Side spoiler; 2. Spoiler No. 1; 3. Hinge No. 2; 4. Spoiler No. 2; 5. Frame plate; 6. Connecting rod; 7. Joint bearing; 8. Slide rail; 9. Servo electric push rod; 10. Hinge No. 1; 11. Guide roller; 12. Controller; 13. Control bus; 14. Upper air pressure sensor; 15. Lower air pressure sensor. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention will be described below in conjunction with the accompanying drawings.

[0028] like Figure 1-Figure 4 As shown, the spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment of this embodiment comprises a frame plate 5 of a truck, and symmetrical side spoilers 1 are respectively arranged at both ends of the frame plate 5, and a spoiler 2 is installed on the top and bottom surfaces of a single side spoiler 1 through a hinge 10, and a spoiler 4 is installed on the single spoiler 2 through a hinge 3;

[0029] It also includes a symmetrically arranged spoiler drive device, and the structure of a single spoiler drive device is as follows: it includes a servo electric push rod 9, and slide rails 8 are respectively installed at both ends of the servo electric push rod 9. The interior of the slide rail 8 matches the output rod of the servo electric push rod 9 through a guide roller 11. The head of the output rod is installed with a connecting rod 6 through a joint bearing 7. The head of the connecting rod 6 is fixed to the second spoiler 4. The servo electric push rod 9 drives the output rod to extend and retract, driving the connecting rod 6 to swing, thereby driving the second spoiler 4 to swing;

[0030] It also includes a controller 12, a plurality of spaced upper air pressure sensors 14 are respectively arranged above the spoiler driving device, and a plurality of spaced lower air pressure sensors 15 are respectively arranged below the spoiler driving device. The controller 12 is connected to the upper air pressure sensor 14 and the lower air pressure sensor 15 through a control bus 13 and a branch line.

[0031] The first spoiler 2 is flush with the second spoiler 4 .

[0032] The first spoiler 2 is installed vertically to the side spoiler 1 .

[0033] The spoiler No. 1 2 has a triangular structure.

[0034] The second spoiler 4 has a trapezoidal structure.

[0035] The first spoiler 2, the second spoiler 4 and the side spoiler 1 are all made of light and high-strength materials.

[0036] When the side spoiler 1, the first spoiler 2 and the second spoiler 4 are all opened, they are in an open state.

[0037] When the side spoiler 1 , the first spoiler 2 and the second spoiler 4 are folded, they are folded at the rear of the frame plate 5 .

[0038] The spoiler structure of the present invention is designed as follows: the spoiler is made of light but high-strength material to reduce the overall weight and improve durability. The spoiler is connected to the frame through a joint bearing and a connecting rod to achieve flexible opening and closing adjustment.

[0039] The arrangement of the pressure sensor of the present invention: the pressure sensor is arranged at key positions around the spoiler to monitor the pressure change of the spoiler caused by the air flow in real time. The sensor adopts a high-precision and high-reliability design to ensure the accuracy and stability of the measured data.

[0040] The control system of the present invention is designed as follows: The control system is composed of a sensor interface, a data processing unit and an actuator. The sensor interface receives a signal from a pressure sensor and converts it into digital data. The data processing unit analyzes the pressure difference around the spoiler according to the received pressure data and calculates the optimal opening and closing angle. The actuator receives a control signal from the data processing unit and adjusts the opening and closing angle of the spoiler through a driving mechanism (such as a motor or a hydraulic cylinder).

[0041] First, we need to analyze the aerodynamics of the truck while driving:

[0042] The vehicle's driving resistance is proportional to the square of the vehicle speed, and the power consumption is proportional to the cube of the vehicle speed. Generally speaking, every time the speed increases by 2 times, the wind resistance will increase by 4 times, and the power consumption will increase by 8 times.

[0043] For a car with a low speed, wind resistance is not the main component of driving resistance, but for a car with a high speed, wind resistance becomes the main factor affecting driving resistance and fuel consumption. Studies have shown that when a car is driving at a constant speed of 80km / h, 60%-70% of its fuel consumption is used to overcome wind resistance.

[0044] Therefore, using aerodynamics to reduce driving wind resistance is very helpful in reducing fuel consumption when driving at high speeds.

[0045] The principle of fuel saving by rear spoiler:

[0046] Components of air resistance in truck driving:

[0047] (a) Surface drag: refers to the friction generated when air flows over the outer surface of the vehicle. For trucks, this drag is mainly composed of the vehicle shape, trailer shape and parts such as bumpers, rearview mirrors, headlights, etc.

[0048] (b) Induced drag: Induced drag is also a part of pressure differential drag and is caused by the difference in air pressure at the top and bottom of the vehicle when it is moving.

[0049] (c) In-vehicle resistance: It is the resistance generated when air flows through the vehicle's internal components such as the vehicle's air intake grille, radiator, engine, etc.

[0050] The design concept of the present invention is to utilize aerodynamics to reduce fuel consumption.

[0051] The spoiler is mainly to effectively reduce the pressure difference resistance generated by the truck during driving:

[0052] When a truck is traveling at high speed, a turbulent area will form at the rear of the trailer, and the size of the pressure difference resistance depends on the size of the turbulent area. When the airflow becomes turbulent, a partial vacuum area will be formed, making the pressure at the rear of the vehicle lower than that at the front of the vehicle, which will form a force that "drags" the truck backwards. When a spoiler is installed at the rear of the truck, it can guide the airflow, reduce the generation of turbulent areas, and reduce the pressure difference resistance, thereby achieving the effect of saving fuel.

[0053] When the vehicle speed reaches 60 km / h, it will automatically unfold and automatically close when the truck stops completely or reverses. It has a folding function, which is convenient for loading and unloading goods. The driver does not need to open it manually, which is more convenient and safer. After testing, this kit can reduce wind resistance by 18% and fuel consumption by 5%.

[0054] In actual working process:

[0055] The truck rear spoiler system with intelligent pressure differential resistance adjustment of the present invention is installed at the rear of the truck. When the truck is driving, the pressure sensor monitors the pressure change around the spoiler in real time and transmits the data to the control system. The control system calculates the optimal spoiler opening and closing angle based on the received data and adjusts the spoiler opening and closing angle through the driving mechanism. In this way, the present invention can reduce the pressure differential resistance in real time and improve the fuel economy and driving stability of the truck.

[0056] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. Any form of modification may be made within the scope of protection of the present invention.

Claims

1. A spoiler system for the rear of a truck with intelligently adjustable pressure difference resistance, characterized in that: The invention comprises a frame plate (5) of a truck, wherein symmetrical side spoilers (1) are respectively arranged at both ends of the frame plate (5), a spoiler (2) is installed on the top and bottom surfaces of a single side spoiler (1) via a hinge (10), and a spoiler (4) is installed on the single spoiler (2) via a hinge (3); the invention also comprises a symmetrically arranged spoiler driving device, wherein the structure of the single spoiler driving device is as follows: a servo electric push rod (9), wherein slide rails (8) are respectively installed at both ends of the servo electric push rod (9), wherein the interior of the slide rail (8) matches the output rod of the servo electric push rod (9) via a guide roller (11), wherein a connecting rod (6) is installed at the head of the output rod via a joint bearing (7), wherein the head of the connecting rod (6) is fixed to the spoiler (4), and the servo electric push rod (9) drives the output rod to extend and retract, thereby driving the connecting rod (6) to swing, thereby driving the spoiler (4) to swing; The invention also comprises a controller (12), a plurality of upper air pressure sensors (14) are arranged at intervals above the spoiler driving device, and a plurality of lower air pressure sensors (15) are arranged at intervals below the spoiler driving device. The controller (12) is connected to the upper air pressure sensor (14) and the lower air pressure sensor (15) respectively through a control bus (13) and a branch line.

2. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: The first spoiler (2) is flush with the second spoiler (4).

3. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: The first spoiler (2) is installed vertically with the side spoiler (1).

4. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: The first spoiler (2) has a triangular structure.

5. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: The second spoiler (4) has a trapezoidal structure.

6. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: The first spoiler (2), the second spoiler (4) and the side spoilers (1) are all made of light and high-strength materials.

7. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: When the side spoiler (1), the first spoiler (2) and the second spoiler (4) are all opened, they are in an open state.

8. The spoiler system for the rear of a truck with intelligent pressure difference resistance adjustment as claimed in claim 1, characterized in that: When the side spoilers (1), the first spoiler (2) and the second spoiler (4) are folded, they are folded at the rear of the frame plate (5).

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