阅读说明：本技术 智能网联汽车场地测试平板车 (Intelligent network-connected automobile field test flat car ) 是由 杨建森 郭蓬 曹展 戎辉 李洪亮 闫晓晓 于 2021-08-26 设计创作，主要内容包括：本发明提供了智能网联汽车场地测试平板车,包括车身系统、底盘系统、电控系统,底盘系统和电控系统安装在车身系统上,电控系统通过控制底盘系统带动平板车移动；车身系统包括自上向下依次设置的上车身板、车身骨架和下车身板,上车身板、车身骨架和下车身板形成夹层架构,夹层结构周围还设置有转角边缘连接件、长边缘连接件和短边缘连接件。本发明有益效果：平板车整体上采用扁平化设计,结构强度高,满足测试车辆从其上面碾压通过。平板车上车身板安装有连接固定装置,可以实现假车模型等测试目标物的固定,同时在测试发生碰撞时,也可以实现测试目标物与平板车快速分离,避免对测试车辆造成损坏。(The invention provides an intelligent network-connected automobile field test flat car which comprises a car body system, a chassis system and an electric control system, wherein the chassis system and the electric control system are installed on the car body system, and the electric control system drives the flat car to move by controlling the chassis system; the automobile body system comprises an upper automobile body plate, an automobile body framework and a lower automobile body plate which are sequentially arranged from top to bottom, wherein the upper automobile body plate, the automobile body framework and the lower automobile body plate form an interlayer framework, and a corner edge connecting piece, a long edge connecting piece and a short edge connecting piece are further arranged around the interlayer structure. The invention has the beneficial effects that: the flatbed adopts the flattening design on the whole, and structural strength is high, satisfies the test vehicle and rolls from its top and pass through. The body board is installed and is connected fixing device on the flatbed, can realize the fixed of test targets such as false car model, simultaneously when the test bumps, also can realize test target and flatbed quick separation, avoids causing the damage to the test vehicle.)

1. Intelligence networking vapour site test flatbed, its characterized in that: the electric control system drives the flat car to move by controlling the chassis system;

the automobile body system comprises an upper automobile body plate (B2), an automobile body framework (B4) and a lower automobile body plate (B5) which are sequentially arranged from top to bottom, wherein the upper automobile body plate (B2), the automobile body framework (B4) and the lower automobile body plate (B5) form a sandwich framework, and a corner edge connecting piece (B1), a long edge connecting piece (B3) and a short edge connecting piece (B6) are further arranged around the sandwich framework.

2. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the chassis system comprises a power module, the power module comprises a driving motor (8), a driving belt (9), a driving half shaft (10), a transmission belt (11), driving wheels (12) and a power battery (17), the rotating speed conversion and the torque transmission are carried out through the driving belt (9), the driving half shaft (10) and the transmission belt (11) by controlling the output rotating speed of the driving motor (8) and the positive and negative of the output torque, and the driving wheels (12) are controlled to rotate for realizing the driving or braking of the flat car.

3. The intelligent networked automobile site testing flat car as claimed in claim 2, wherein: the chassis system comprises a steering module, the steering module comprises a steering motor (1), a rack and pinion mechanism and steering wheels (2), the rotating speed conversion and the torque transmission are carried out through the rack and pinion mechanism by controlling the output rotating speed of the steering motor (1) and the positive and negative of the output torque, and the steering wheels (2) are controlled to rotate so as to realize the steering of the flat car.

4. The intelligent networked automobile site testing flat car as claimed in claim 2, wherein: the chassis system comprises a suspension module, the suspension module comprises an air suspension, and a spring is automatically compressed or extended by controlling an air compressor and an exhaust valve, so that the control on the ground clearance of the flat car is realized.

5. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the electric control system comprises a main controller (5), a motor controller (6), wireless communication equipment, a GPS module and an inertial navigation module (18);

the main controller (5) is used for collecting state information of the GPS module, the inertial navigation module (18), the driving motor (8) and the steering motor (1), and issuing control instructions for controlling driving, braking, steering and running tracks of the flat car through algorithm decision.

6. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the system also comprises a power management circuit (3) which is used for carrying out state estimation and safety monitoring on the power battery (17).

7. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the upper body panel (B2) and the lower body panel (B5) are manufactured by adopting an integral molding technology.

8. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the upper vehicle body plate (B2) is made of composite non-metallic materials and is used for ensuring the structural strength of the vehicle body and not shielding the transmission of communication signals;

the lower body plate (B5) is made of metal alloy and is used for ensuring the structural strength of the body and simultaneously has the wear resistance with the ground.

9. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the vehicle body framework (B4) is formed by mutually nesting and assembling a plurality of groups of rib plates, is fixedly connected through bolts and is made of metal alloy.

10. The intelligent networked automobile site test flat car as claimed in claim 1, wherein: the corner edge connecting piece (B1), the long edge connecting piece (B3) and the short edge connecting piece (B6) are fixed on the periphery of the vehicle body framework (B4), a slope design is adopted, and the adopted materials are metal alloys.

Technical Field

The invention belongs to the field of automobile testing equipment, and particularly relates to an intelligent network automobile field testing flat car.

Background

The field real vehicle test equipment is used as the most key element in the intelligent networking automobile test evaluation method, and is one of the main technical bottlenecks which restrict the development of the automobile industry in China at present. The ABD and 4a of foreign companies have related technical capability and test equipment products, but the technology is relatively closed; most of domestic test equipment suppliers are in a sample research and development stage, the test experience is insufficient, key parts depend on import, and an integrated test evaluation solution is lacked, so that next-generation integrated intelligent internet vehicle test equipment needs to be researched and developed urgently.

Disclosure of Invention

In view of the above, the present invention is directed to an intelligent networked automobile field test flat car for carrying large test objects, such as 3D soft car covers. The flat car realizes intelligent networking automobile multi-scene test through remote communication and coordination control with the test vehicle.

In order to achieve the purpose, the technical scheme of the invention is realized as follows:

the intelligent network-connected automobile field test flat car comprises a car body system, a chassis system and an electric control system, wherein the chassis system and the electric control system are installed on the car body system, and the electric control system drives the flat car to move by controlling the chassis system;

the automobile body system comprises an upper automobile body plate, an automobile body framework and a lower automobile body plate which are sequentially arranged from top to bottom, wherein the upper automobile body plate, the automobile body framework and the lower automobile body plate form an interlayer framework, and a corner edge connecting piece, a long edge connecting piece and a short edge connecting piece are further arranged around the interlayer structure.

Further, the chassis system comprises a power module, the power module comprises a driving motor, a driving belt, a driving half shaft, a transmission belt, driving wheels and a power battery, the driving motor is controlled to output rotating speed and positive and negative of output torque, the driving belt, the driving half shaft and the transmission belt are used for rotating speed conversion and torque transmission, the driving wheels are controlled to rotate, and driving or braking of the flat car is achieved.

Further, the chassis system comprises a steering module, the steering module comprises a steering motor, a rack and pinion mechanism and steering wheels, the rotating speed conversion and torque transmission are carried out through controlling the output rotating speed of the steering motor and the positive and negative of the output torque through the rack and pinion mechanism, the steering wheels are controlled to rotate, and the steering of the flat car is realized.

Further, the chassis system comprises a suspension module, the suspension module comprises an air suspension, and the springs are automatically compressed or extended by controlling the air compressor and the exhaust valve, so that the ground clearance control of the flat car is realized.

Further, the electric control system comprises a main controller, a motor controller, wireless communication equipment, a GPS module and an inertial navigation module 18;

the main controller is used for collecting state information of the GPS module, the inertial navigation module, the driving motor and the steering motor, and issuing control instructions for controlling driving, braking, steering and running tracks of the flat car through algorithm decision.

Further, the system also comprises a power management circuit which is used for carrying out state estimation and safety monitoring on the power battery.

Furthermore, the upper body plate and the lower body plate are processed and manufactured by adopting an integral forming technology.

Furthermore, the upper vehicle body plate is made of a composite non-metallic material and is used for ensuring the structural strength of the vehicle body and simultaneously not shielding the transmission of communication signals;

the lower car body plate is made of metal alloy, so that the structural strength of the car body is guaranteed, and the lower car body plate has the wear resistance with the ground.

Furthermore, the vehicle body framework is formed by mutually nesting and assembling a plurality of groups of rib plates, is fixedly connected through bolts and is made of metal alloy.

Furthermore, corner edge connecting pieces, long edge connecting pieces and short edge connecting pieces are fixed on the periphery of the vehicle body framework, a slope design is adopted, and the adopted materials are metal alloys.

Compared with the prior art, the intelligent network connection automobile field test flat car has the following beneficial effects:

(1) according to the intelligent network automobile field test flat car, the flat car is integrally designed in a flat mode, the structural strength is high, and the requirement that the test car passes through the flat car after rolling is met. The body plate on the flat car is provided with the connecting and fixing device, so that the fixing of test objects such as a dummy car model and the like can be realized, and meanwhile, when the test is collided, the test objects and the flat car can be quickly separated, and the test car is prevented from being damaged;

(2) according to the intelligent network-connected automobile field test flat car, the flat car driving system and the braking system are combined into a whole, namely the same system structure is adopted, the driving function and the braking function of the flat car are respectively realized by controlling the rotating speed and the torque of the motor, an independent braking system is omitted, and the whole structure is simpler. The flat car suspension system adopts an air suspension, the height of a car body can be effectively adjusted according to the loaded weight, and meanwhile, when a test car passes through rolling, air in the suspension is quickly released, so that wheels are contracted into the inside of the car body, a lower car plate of the car body is contacted with the ground, the bearing area is increased, and the safety of the wheels and the car body structure is protected;

(3) according to the intelligent network-connected automobile field test flat car, the upper car body plate of the flat car is made of the composite non-metal material, compared with a metal material, the composite non-metal material can meet the high-strength requirement on the aspect of the flat car structure, the car body is lightened, and the problem that the metal car body shields communication signals is solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic overall structure diagram of an embodiment of an intelligent networked automobile yard test flat car according to an embodiment of the present invention;

fig. 2 is a schematic overall structure diagram of another embodiment of the intelligent internet automobile yard test flat car according to the embodiment of the present invention.

Description of reference numerals:

1-a steering motor; 2-steering wheels; 3-a power management circuit; 4-external power plug; 5-a main controller; 6-a motor controller; 7-wireless communication equipment; 8-driving a motor; 9-a drive belt; 10-driving the half shaft; 11-a drive belt; 12-a drive wheel; 13-a GPS module; 14-a signal acquisition module; 15-a relay; 16-a power supply device; 17-a power cell; 18-an inertial navigation module; a 19-DC-DC converter; b1-corner edge connectors; b2-upper body panel; b3 — long edge connector; b4-vehicle body frame; b5-lower body panel; b6-short edge connector.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In the embodiment shown in fig. 1, the device of the invention is composed of a vehicle body system, a chassis system and an electric control system, and mainly comprises a steering motor 1, steering wheels 2, a power management circuit 3 and an external power plug 4; a main controller 5; a motor controller 6; a wireless communication device 7; a drive motor 8; a drive belt 9; a drive half shaft 10; a drive belt 11; the driving wheels 12; a GPS module 13; a signal acquisition module 14; a relay 15; a power supply device 16; a power battery 17; an inertial navigation module 18; a DC-DC converter 19.

The chassis system comprises a power module, a steering module and a suspension module. The power module consists of 2 driving motors 8, 2 sets of driving belts 9, 2 sets of driving half shafts 10, 2 sets of transmission belts 11, 2 sets of driving wheels 12 and 1 set of power batteries 17. The driving motor 8 is controlled to output the positive and negative of the rotating speed and the output torque, the driving belt 9, the driving half shaft 10 and the transmission belt 11 are used for carrying out rotating speed conversion and torque transmission, and the driving wheels 12 are controlled to rotate, so that the flat car is driven or braked. The steering module is composed of 1 steering motor 1, 1 set of gear rack mechanism and 2 set of steering wheel 2. The steering wheel 2 is controlled to rotate by controlling the output rotating speed of the steering motor 1 and the positive and negative of the output torque and carrying out rotating speed conversion and torque transmission through a gear rack mechanism, so that the steering of the flat car is realized. The suspension module consists of 4 sets of air suspensions, and the springs are automatically compressed or extended by controlling the air compressor and the exhaust valve, so that the ground clearance control of the flat car is realized.

The electric control system comprises a main controller 5, a motor controller 6, wireless communication equipment 7, a GPS module 13 and an inertial navigation module 18. The main controller 5 collects state information of the GPS module 13, the inertial navigation module 18, the driving motor 8 and the steering motor 1, and issues control instructions for controlling driving, braking, steering and running tracks of the flat car through algorithm decision; the power management circuit 3 is used for power battery state estimation, safety monitoring and the like.

In the embodiment shown in fig. 2, the flatbed body system includes corner edge connectors B1, upper body panels B2, long edge connectors B3, body frame B4, lower body panels B5, short edge connectors B6. The upper body panel B2 and the lower body panel B5 are manufactured by adopting an integral molding technology. The upper vehicle body plate B2 material is compound non-metallic material, does not shield the transmission of communication signal again when guaranteeing vehicle body structural strength, and lower vehicle body plate B5 material is high strength metal alloy, possesses the wearability with ground again when guaranteeing vehicle body structural strength. The vehicle body framework B4 is formed by mutually nesting and assembling a plurality of groups of rib plates, is fixedly connected through bolts and is made of high-strength metal alloy. The corner edge connecting piece B1, the long edge connecting piece B3 and the short edge connecting piece B6 are fixed on the periphery of the vehicle body framework B4, and are designed in a slope mode and made of high-strength metal alloy.

Those of ordinary skill in the art will appreciate that the elements and method steps of the examples described in connection with the embodiments disclosed herein may be embodied in electronic hardware, computer software, or combinations of both, and that the components and steps of the examples have been described in a functional general in the foregoing description for the purpose of clearly illustrating the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

In the several embodiments provided in the present application, it should be understood that the disclosed method and system may be implemented in other ways. For example, the above described division of elements is merely a logical division, and other divisions may be realized, for example, multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not executed. The units may or may not be physically separate, and components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.