CN215155276U - Shared bicycle dummy target object for ADAS test - Google Patents

Abstract

The utility model provides a sharing bicycle dummy target for ADAS test, which comprises a sharing bicycle module and a riding dummy module, wherein the front end of the bicycle body of the sharing bicycle module is connected with the center of the front wheel, the rear end of the bicycle body is connected with the center of the rear wheel, and the bottom end of the bicycle body is fixedly connected with a bearing target platform; the upper sections of the chest and head structures of the riding dummy module are connected with one end of an arm structure, and the other end of the arm structure is fixedly connected with the front end of the vehicle body; the chest and head structure is fixedly connected with the middle part of the vehicle body; the upper end of the leg structure is connected with the middle part of the vehicle body, and the lower end of the leg structure is fixedly connected with the lower end of the middle part of the vehicle body. The utility model discloses combine the design of the human body size of china to can simulate the people gesture by bike, increased anticollision and break away from the structure, ability used repeatedly, the low price, simple to operate, the range of application is extensive.

Description

Shared bicycle dummy target object for ADAS test

Technical Field

The utility model relates to a car initiative safety's technical field particularly, relates to a sharing bicycle dummy target for ADAS test.

Background

The current Automated Emergency Braking (AEB) system is an Autonomous, automated road vehicle safety system that relies on sensors to monitor objects ahead and detect the relative speed and distance to the objects, calculate impending conditions, and automatically undertake Emergency Braking in hazardous situations to avoid or mitigate collisions. That is, the AEB is an active safety system that automatically assumes emergency braking during dangerous vehicle driving conditions. According to different targets, AEB systems are divided into three types, namely vehicles, people, two-wheel vehicles and the like, for detecting the targets in front.

In recent years, test regulations aiming at intelligent driving of vehicles are continuously released, the industry pays more attention to automatic driving technology of vehicles, and the requirements on test scenes, test rules and passing conditions of the automatic driving technology are more and more strict. However, the test equipment and the test target are monopolized abroad, so that the price is high, the supply period is long, the service is poor, the development of domestic intelligent driving technology is severely limited, and the driving scene of Chinese roads cannot be truly reflected.

At present, China sharing single cars are more and more commonly used, more traffic accidents are caused, and in order to better protect China road users, two-wheel cars and other targets meeting the characteristics of China roads need to be developed, so that the AEB performance of automobiles running on China roads can be more accurately tested.

SUMMERY OF THE UTILITY MODEL

The utility model aims to develop a target object which accords with the actual riding posture of the Chinese road, so that the AEB test of the automobile is more in accordance with the actual scene of the Chinese road; meanwhile, the added anti-collision design is utilized, the damage of the shared single-vehicle target object in collision is reduced, and the test cost is reduced.

To the problem that exists among the above-mentioned prior patent art, the technical scheme of the utility model a sharing bicycle dummy target object for ADAS test is provided, include: dummy module rides, sharing bicycle module, its characterized in that:

the riding dummy module comprises a chest structure, a head structure, an arm structure and a leg structure, wherein the upper sections of the chest structure and the head structure are connected with one end of the arm structure, and the other end of the arm structure is fixedly connected with the upper part of the front end of the bicycle body;

the bottom ends of the chest and head structures are fixedly connected with the upper end of the middle part of the vehicle body; the upper end of the leg structure is fixedly connected with the upper end of the middle part of the vehicle body, and the lower end of the leg structure is fixedly connected with the lower end of the middle part of the vehicle body;

the shared bicycle module comprises front wheels, a front mudguard, a bicycle basket connecting support, a bicycle body, a protective plate, a bicycle lock, a rear mudguard and rear wheels, wherein the front mudguard is connected with the front end of the bicycle body through a binding belt, the bicycle basket is connected with the front end of the bicycle body through the bicycle basket connecting support, the protective plate is connected with the lower part of the bicycle body through the binding belt, the bicycle lock is connected with the rear tail part of the bicycle body through a bonding process, the rear mudguard is connected with the rear end of the bicycle body through the binding belt, the lower part of the front end of the bicycle body at the middle part is connected with the center of the front wheels, the lower part of the rear end of the bicycle body is connected with the center of the rear wheels, and the bottom end of the bicycle body is fixedly connected with a target bearing platform.

Further, the front wheel and the rear wheel are circular and have the same structure.

Further, the wheel is respectively provided with a tire, a hub, a spoke, a bearing sleeve, a bearing and a wheel shaft from outside to inside, and the tire, the hub, the spoke, the bearing sleeve, the bearing and the wheel shaft are sequentially connected and assembled according to the sequence.

Furthermore, the vehicle body is made of a PC pipe and comprises a front mudguard, a vehicle basket connecting bracket, a faucet head pipe, a connecting piece, a first connecting piece, a front fork, a lower pipe, a branch pipe, a second connecting piece, a tie rod lower fixing seat, a seat pipe, a third connecting piece, a fourth connecting piece, a rear upper fork, a rear lower fork and a rear mudguard from front to rear;

the front mudguard is fixed below the bicycle basket, the bicycle basket is connected with the bicycle body through a bicycle basket connecting support, the bicycle basket connecting support is fixed with the first connecting piece through a screw, and the bicycle basket connecting support are fixed through a restraining belt; the front mudguard is fixed on the front fork by a binding belt, the seat tube and the rear lower fork are connected at the middle lower part of the vehicle body by a second connecting piece, the seat tube and the lower tube are connected with each other by a shaft hole arranged on the second connecting piece in a matching way, and the rear lower fork is connected with each other by a buckle arranged at two sides of the second connecting piece; the seat tube is connected with the rear upper fork through a third connecting piece, the seat tube and the fourth connecting piece are connected with a shaft hole arranged on the third connecting piece in a matching way, and the rear upper fork is connected with the rear upper fork through buckles arranged on two sides of the third connecting piece; the rear upper fork and the rear lower fork are connected with a wheel shaft arranged on the rear wheel through bolts, and the rear mudguard is fixed on the upper part of the rear upper fork through a binding belt.

Further, the seat tube and the rear lower fork are connected at the middle lower part of the shared bicycle through a specially-made second connecting piece, wherein the seat tube is matched and connected with a shaft hole arranged on the second connecting piece; the rear lower fork is connected through the buckles arranged on the two sides of the second connecting piece.

Furthermore, the seat tube and the rear upper fork are connected with the middle upper part of the vehicle through a third connecting piece, the seat tube is connected with the third connecting piece through a shaft hole in a matched mode, and the rear upper fork is connected with the rear upper fork through buckles arranged on two sides of the third connecting piece.

Furthermore, the tie rod is connected with the lower pipe and the seat pipe through the tie rod lower fixing seat through bolts respectively, and the tie rod is used for connecting the lower pipe and the seat pipe.

Furthermore, the rear upper fork and the rear lower fork are connected with a wheel shaft of the rear wheel through bolts, and the rear upper fork and the rear lower fork are connected with the front end part through the arranged buckles.

Furthermore, the shared bicycle module comprises a tubular part and a connecting part, wherein the tubular part comprises a lower pipe and a seat pipe, and the connecting part comprises a connecting part, a first connecting part, a second connecting part, a third connecting part and a fourth connecting part.

Furthermore, the first connecting piece is provided with a clamping ring for clamping connection in the horizontal direction and counter bores which are obliquely upward and downward, and the clamping ring is used for clamping and fixing the front fork;

the second connecting piece comprises counter bores which are obliquely upward and obliquely rearward and a clamping ring for clamping connection;

the third connecting piece comprises counter bores which are obliquely upward and downward, and is also provided with small holes which are vertical to the directions of the two counter bores, and the third connecting piece is used for connecting the seat tube, the rear upper fork and the fourth connecting piece;

the fourth connecting piece is a connecting piece for connecting the riding dummy module and the shared bicycle module.

The beneficial effect of this scheme is:

(1) the utility model discloses according to internal general sharing bicycle size and structure to and the size of the human 50% dummy of china, redesigned the sharing bicycle target object that is used for AEB test, verified through radar reflection and infrared attribute experiment, accorded with the actual road conditions of china road.

(2) The utility model relates to a human 50 percentile dummy face in China has the typical five sense organs characteristics of the human body in China, and can more vividly display the visual effect.

(3) The utility model discloses increase a lot of anticollision and break away from the design, reduce the damage of sharing bicycle target object when the collision, improve life and rate of reuse, and use the material low price supply chain complete, reduced the test cost.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a front overall structure of a shared bicycle dummy target for ADAS testing according to the present invention;

fig. 2 is a schematic diagram of a back-to-back overall structure of a shared bicycle dummy target for ADAS testing according to the present invention;

fig. 3 is a schematic structural view of a shared bicycle module according to an embodiment of the present invention;

fig. 4 is a schematic view of a wheel structure according to an embodiment of the present invention;

FIG. 5 is a schematic view of a vehicle body structure according to an embodiment of the present invention;

fig. 6 is a schematic view of a guard structure according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a vehicle lock according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a basket according to an embodiment of the present invention;

fig. 9 is a schematic view of a first connector structure according to an embodiment of the present invention;

fig. 10 is a schematic view of a second connector structure according to an embodiment of the present invention;

fig. 11 is a schematic view of a third connection member according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a cross bar connector according to an embodiment of the present invention;

fig. 13 is a schematic view of a fourth connection member according to an embodiment of the present invention;

fig. 14 is a schematic cross-sectional view of a fourth connecting member according to an embodiment of the present invention;

fig. 15 is a schematic view of the structure of the head and left chest half of the connector according to an embodiment of the present invention;

figure 16 is a schematic structural view of a pole of an embodiment of the present invention;

fig. 17 is a schematic structural view of a left arm of a connector according to an embodiment of the present invention;

fig. 18 is a schematic view of a right leg of a connector according to an embodiment of the present invention;

fig. 19 is a schematic view of a test pull apparatus according to an embodiment of the present invention.

Wherein: 1-riding dummy module; 2-sharing the bicycle module; 3-head and chest structures; 4-arm structure; 5-a leg structure; 6-front wheel; 7-front mudguard; 8-a bicycle basket; 9-a basket connecting bracket; 10-a vehicle body; 11-a guard plate; 12-a vehicle lock; 13-a rear fender; 14-rear wheel; 15-a tyre; 16-a hub; 17-spokes; 18-a bearing sleeve; 19-a bearing; 20-an axle; 21-a front fork; 22-a first connector; 23-head tube; 24-a connector; 25-lower tube; 26-a second connector; 27-a third connector; 28-a fourth connection; 29-tie rods; 30-tie rod lower fixing seat; 31-a seat tube; 32-rear upper fork; 33-rear lower fork; 34-branch pipe; 35-upright stanchion; 36-a target load-bearing platform; 37-horseshoe magnet; 38-tractor chassis.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the present invention, the terms "mounting", "connecting", "fixing", "front and back", "left and right", "inside and outside", "up and down" and the like are to be understood broadly based on the device, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, this embodiment provides an AEB tested chinese shared bicycle dummy target, and fig. 1 is a schematic diagram of a forward overall structure of an ADAS tested shared bicycle dummy target, which includes two parts: the riding dummy module 1 shares the bicycle module 2;

fig. 2 is a schematic diagram of the back-to-back overall structure of a shared bicycle dummy target, wherein the riding dummy module 1 comprises a chest and head structure 3, an arm structure 4 and a leg structure 5, the upper section of the chest and head structure is connected with one end of the arm structure 4, and the other end of the arm structure 4 is fixedly connected with the upper part of the front end of the bicycle body 10; the bottom end of the chest and head structure 3 is fixedly connected with the upper end of the middle part of the vehicle body 10; the upper end of the leg structure 5 is fixedly connected with the upper end of the middle part of the vehicle body 10, and the lower end of the leg structure 9 is fixedly connected with the lower end of the middle part of the vehicle body 10;

fig. 3 is a schematic structural diagram of a shared bicycle module, wherein the shared bicycle module 2 comprises front wheels 6, a front mudguard 7, a basket 8, a basket connecting bracket 9, a vehicle body 10, a protective plate 11, a lock 12, a rear mudguard 13 and rear wheels 14, the front mudguard 7 is connected with the front end of the vehicle body 10 through a binding belt, the basket 8 is connected with the front end of the vehicle body 10 through the basket connecting bracket 9, the protective plate 11 is connected with the lower part of the vehicle body 10 through the binding belt, the lock 12 is connected with the rear tail part of the vehicle body 10 through a bonding process, the rear mudguard 13 is connected with the rear end of the vehicle body 10 through the binding belt, the lower part of the front end of the vehicle body in the middle part is connected with the center of the circular front wheels 6, the lower part of the rear end of the vehicle body is connected with the center of the circular rear wheels 14, and the bottom end of the vehicle body 10 is fixedly connected with a target bearing platform.

The front wheel 6 and the rear wheel 14 are circular and have the same structure, fig. 4 shows a schematic structural diagram of the wheel, and the wheel is composed of a tire 15, a hub 16, a spoke 17, a bearing sleeve 18, a bearing 19 and a wheel shaft 20 from outside to inside, and the wheel is sequentially connected and assembled according to the sequence. Wherein the bearing sleeve 18, the spoke 17 and the hub 16 are made of PC materials, the tire 15 is made of rubber materials, and the size of the whole wheel structure is consistent with that of a real shared bicycle wheel structure; in the AEB test process, the tires 15 are in contact with the ground, when the target bearing platform drives the shared bicycle dummy target object to move forwards, the ground friction force drives the wheels to rotate, and the simulated wheel rotation is consistent with the rotation characteristics of the wheels 15 in real riding.

The bicycle comprises a bicycle body 10, a front mudguard 7, a bicycle basket 8, a bicycle basket connecting bracket 9, a faucet head pipe 23, a connecting piece 24, a first connecting piece 22, a front fork 21, a lower pipe 25, a branch pipe 34, a second connecting piece 26, a cross-pull rod 29, a cross-pull rod lower fixing seat 30, a seat pipe 31, a third connecting piece 27, a fourth connecting piece 28, a rear upper fork 32, a rear lower fork 33 and a rear mudguard 13, wherein the bicycle basket 8 is connected with the bicycle body 10 through the bicycle basket connecting bracket 9, the bicycle basket connecting bracket 9 is fixed with the first connecting piece 22 through screws, and the bicycle basket 8 and the bicycle basket connecting bracket 9 are fixed through a binding belt; the faucet head pipe 23 is connected with the first connecting piece 22 through the connecting piece 24, the faucet head pipe 23 is connected with the connecting piece 24 through a bolt, the front fork 21 is connected with the lower pipe 25 through the first connecting piece 22, the connecting piece 24 is connected with the lower pipe 25 through a shaft hole arranged in the first connecting piece 22 in a matching manner, the front fork 21 is connected with the first connecting piece 22 through a bolt, the front mudguard 7 is fixed on the front fork 21 through a restraining belt, the seat pipe 31 and the rear lower fork 33 are connected with the middle lower part of the vehicle body through the second connecting piece 26, the seat pipe 31, the lower pipe 25 are connected with the shaft hole arranged in the second connecting piece 26 in a matching manner, and the rear lower fork 33 is connected through a buckle arranged on two sides of the second connecting piece 26; the seat tube 31 is connected with the rear upper fork 32 through a third connecting piece 27, the seat tube 31 and the fourth connecting piece 28 are connected with a shaft hole arranged on the third connecting piece 27 in a matching way, and the rear upper fork 32 is connected with the rear upper fork 32 through a buckle arranged at two sides of the third connecting piece 27; the rear upper fork 32 and the rear lower fork 33 are connected to the wheel axle 20 provided to the rear wheel 14 by bolts, and the rear fender 13 is fixed to the upper portion of the rear upper fork 32 by a binding band.

The seat tube 31 and the rear lower fork 33 are connected at the middle lower part of the shared bicycle through a special second connecting piece 26, wherein the seat tube 31 is matched and connected with a shaft hole arranged on the second connecting piece 26; the rear lower fork 33 is connected through the buckles arranged on the two sides of the second connecting piece 26, and when the buckles are impacted, the rear lower fork 33 is separated from the second connecting piece 26, so that the damage of the collision to the whole dummy sharing bicycle is reduced.

The seat tube 31 and the rear upper fork 32 are connected at the middle upper part of the bicycle through a special third connecting piece 27, the seat tube 31 is connected with a shaft hole arranged on the third connecting piece 27 in a matching way, the rear upper fork 32 is connected with the rear lower fork 33 and the second connecting piece 26 through buckles arranged at two sides of the third connecting piece 27, and the function of the connection is the same as that of the rear lower fork 33 and the second connecting piece 26.

The fourth connecting piece 28 is connected with the third connecting piece 27 through a pin, the fourth connecting piece 28 and the third connecting piece 27 adopt a split type design, the service life of the third connecting piece 27 can be obviously prolonged, and the fourth connecting piece 28 is used for fixing a riding dummy.

The tie rod 29 is connected with the lower pipe 25 and the seat pipe 31 through a tie rod lower fixing seat 30 through bolts, and the tie rod 29 is formed by high-strength engineering plastic integrated milling and is used for connecting the lower pipe and the seat pipe and ensuring the overall stability of the shared bicycle.

The rear upper fork 32 and the rear lower fork 33 are connected with the axle 20 of the rear wheel 14 through bolts, and the rear mudguard 13 is fixed on the upper part of the rear upper fork 32 through a binding belt (not shown in the figure); the rear upper fork 32 and the rear lower fork 33 are connected with the front end part through the arranged buckles, and the whole rear wheel 14 can be separated from the front part during collision, so that the damage and the consumption of the shared bicycle module 2 caused by energy during collision are reduced.

Fig. 5 shows a schematic structural view of a shared bicycle body, in which a shared bicycle module 2 comprises a plurality of tubular members and connecting members, mainly made of flexible, well-crafted PC tubes, assembled by three specially made connecting members, in which a special high-strength snap connection is used, and the front wheels 6 and the rear wheels 14 are disengaged in case of collision. The tubular member includes a lower tube 25 and a seat tube 31, and the connecting members are unique in structure and size and include a connecting member 24, a first connecting member 22, a second connecting member 26, a third connecting member 27 and a fourth connecting member 28.

As shown in fig. 5, the connecting member 24 is a tubular member specially made, a solid acrylic rod is bonded to the connecting end of the connecting member 24 and the faucet head pipe 23, a threaded sleeve is arranged in the connecting member, the connecting end of the connecting member 24 and the first connecting member 22 is a through hole, and the connecting member 24 is used for connecting the faucet head pipe 23 and the first connecting member 22.

As shown in FIG. 6, the guard plate 11 is divided into two parts, namely left and right, is made of high-density pearl wool, and is fixedly connected with the second connecting piece 26 and the rear lower fork 33 through the binding belt, so that the collision resistance of the shared bicycle can be improved, and meanwhile, the guard plate is used for fixing the lower end of the leg structure 9.

As shown in fig. 7, the lock 12 is divided into two upper and lower parts, which are made of high-density pearl wool, and the two upper and lower parts are fixed with the rear upper fork 32 through a bonding process, so as to simulate the real shared bicycle lock characteristics.

As shown in fig. 8, basket 8 is the cuboid shape that the top is provided with the counter bore, adopts the pearl cotton to form through integral type processing, and all there are respectively two rectangle through-holes on the four sides, and during the assembly, long limit and automobile body 10 are fixed through the constraint area that passes two rectangle through-holes on the basket 8 to support through basket linking bridge 9, basket 8's damage when having avoided the collision has improved crashworthiness.

As shown in fig. 9, the first connecting member 22 is provided with a snap ring for snap-fitting in the horizontal direction for snap-fitting the front fork 21, and counterbores obliquely upward and downward for connecting the connecting member 24 and the lower tube 25, for allowing the front fork 21 to be separated when impacted, and reducing impact damage.

As shown in fig. 10, the second connector 26 includes counter bores obliquely upward and obliquely rearward, and a snap ring for snap-fit connection. The second connecting piece 26 is used for connecting the lower pipe 25, the seat pipe 31, the rear lower fork 33 and the branch pipe 34, the lower pipe 25 and the seat pipe 31 are fixedly connected through a counter bore and a pin in the direction on the second connecting piece 26, the rear lower fork 33 is connected with a clamping ring arranged on the second connecting piece 26, and the branch pipe 34 is connected with a through hole arranged on the second connecting piece 29 through a screw and is used for supporting the whole shared bicycle dummy object.

As shown in fig. 11, the third connecting member 27 includes counterbores inclined upward and downward, the third connecting member 27 is further provided with small holes perpendicular to the directions of the counterbores, the third connecting member 27 is used for connecting the seat tube 31, the rear upper fork 32 and the fourth connecting member 28, the seat tube 31 is connected with the counterbores on the third connecting member 27 in a matching manner, the rear upper fork 32 is connected with the snap ring on the third connecting member 27, and the fourth connecting member 28 is connected with the counterbores on the third connecting member 27 in a matching manner with the pins.

As shown in fig. 12, the tie rod 29 is made of POM plastic and integrally processed in a symmetrical structure, and the tie rod 29 is respectively matched with the lower tube 25 and the seat tube 31 through the tie rod lower fixing seat 30 and then is connected with the lower tube and the seat tube 31 through bolts, so that the uniformity of front and rear forces and the overall stability are ensured.

As shown in fig. 13 and 14, the fourth connecting member 28 is a connecting member for connecting the cycling dummy module 1 and the shared bicycle module 2, the lower end of the fourth connecting member 28 is connected with a counter bore on the third connecting member 27 and matched with a pin, a U-shaped groove at the upper end is matched with the upright post 35 on the cycling dummy module 1 and then connected with the plastic threaded sleeve (with a nut) with a through hole in the middle, the fourth connecting member 28 is composed of three parts, a connecting member main body 2801 is made of engineering plastics through internal thread processing, a connecting support 2802 is made of threaded metal material, a connecting protection ring 2803 is made of engineering plastics, the connecting support 2802 is connected with the connecting member main body 2801 through an upper end bolt, the connecting protection ring 2803 is in direct transition fit with the connecting support 2802, a pin hole is arranged at the overlapping position of the connecting support 2802 and the connecting protection ring 2803, and is used for pin connection when the fourth connecting member 28 is matched with the third connecting member 27, ensuring the stability.

The whole vehicle body is fixed and supported by three connecting pieces and a cross pull rod, as shown in fig. 9-12, the structure of the first connecting piece 22, the second connecting piece 26 and the third connecting piece 27 is schematically shown, wherein the front fork 21, the rear lower fork 33 and the rear upper fork 32 are respectively connected with the first connecting piece 22, the second connecting piece 26 and the third connecting piece 27 through buckles, the front fork 21 is fixedly connected with the axle 20 of the front wheel 6 through nuts, the rear lower fork 33 and the rear upper fork 32 are connected with the axle 20 of the rear wheel 14 through nuts, when a shared bicycle target object is impacted, the front wheel and the rear wheel can be automatically separated, and the damage of the impact on the whole structure is reduced.

In the prior art, in the test scene of an active safety ADAS system in the C-NCAP, a bicycle target object (BTA) is used from BT (Bicyclost and Bike target) developed by CATS/4a abroad in the test scene of an automatic emergency braking system (AEB VRU _ TW) of a two-wheeled vehicle. The bicycle is designed according to the size of a multipurpose bicycle of European standard, is provided with a triangular frame structure, and is limited to be 15-35 mm in diameter for meeting the condition that radar reflection accords with actual conditions, and the surfaces of structures such as a head pipe, a seat pipe and a branch pipe are ferrous metal surfaces. The Pedestrian is designed according to the Pedestrian Target object (PTA), the size is derived from the body size of a 50-percentile foreign human body, the main size: height 1800mm, shoulder width: 500mm, shoulder height: 1500mm, leg length: 923mm, each radar test in the test is close to the actual curve of the foreign road condition, and according to the C-NCAP management rule of 2021 edition, in the test of the automatic emergency braking system of the two-wheel vehicle, the bicycle Target object (BTA) is a product from the foreign country. The bicycle target object of the automatic Emergency Braking (Autonomous Emergency Braking) test is designed according to the dimensions of a universal bicycle and a human body at abroad, is greatly different from the dimensions of a universal shared bicycle and a human body in China, and the safety and the reliability of the automatic Emergency Braking system of the two-wheel vehicle on the Chinese road cannot be verified.

The utility model discloses in, through collecting GB 10000-88 human 50% human body size data of china to and the chinese human body size data that chinese automobile research institute provided, and carry out arrangement analysis research, obtain chinese human body size, mainly select dummy's physical characteristics size and include: the utility model discloses a dimension structure of general shared bicycle in china has been collected, human body size of 50 percentile of chinese has been adopted to the size of the human body of chinese, has designed structure and the size of AEB shared bicycle target, makes it more accord with the actual conditions in china to make it more accord with the china's actual conditions.

In this embodiment, the riding dummy module 1 comprises a three-layer structure including a core, a middle layer and an outermost layer, wherein the core is made of a filling material of a riding dummy main body, the middle layer is made of a filling material, and the outermost layer is made of a dummy outer wrapping layer material.

The core body of the cycling dummy module material is made of pearl cotton material, the middle layer is made of polyurethane foam material, the polyurethane foam material has the characteristic of absorbing millimeter waves, the radar reflection parameter characteristic of the AEB dummy can be changed by controlling the thickness of the polyurethane foam wave-absorbing material in the middle layer in the cycling dummy module, the thickness of the polyurethane foam material in the middle layer is generally 12-16mm, and the edge of the polyurethane foam material is of an arc fillet structure, so that the radar reflection characteristic of each part of the dummy is consistent with that of a real person. The outer wrapping material of the outermost layer is special waterproof cloth, the used material fiber tissue is compact, the waterproof cloth is fiber tissue material of the middle layer wrapped by outer polyester material, the fiber tissue material weaves antistatic cloth with 110 × 78-128 × 90 high-count grid surface density, the outer polyester material is polymer waterproof breathable PTFE film coated thin-layer Teflon material, and the infrared reflection characteristic of the AEB riding dummy can not be met through light transmission. The outer side of the dummy is coated with a special material IR1000, the special material IR1000 is near-infrared reflection titanium dioxide, the titanium dioxide in the titanium dioxide has the mass content of 95 percent, the oil absorption of 20 to 30g/100g, the specific gravity of 3.8 to 4.0, the refractive index of 1.5 to 1.8 and the thickness of the outer coating of 0.5 to 1.5mm, used for improving the infrared reflectivity, when the infrared light of the Chinese AEB soft object is measured at 45 degrees and 90 degrees between 850nm and 910nm, the infrared reflectivity reaches 40-60% at clothes and skin, and the infrared reflectivity of hair is 20-60%, so that the overall infrared reflection characteristic of the AEB cycling dummy is consistent with that of a domestic riding real person, in order to ensure the accuracy of the test of the automatic emergency braking system of the two-wheeled vehicle, the radar reflection characteristic of the AEB China shared single-vehicle target object needs to be consistent with the actual condition. The utility model discloses analyzed multiple material characteristic, selected suitable material preparation for AEB China sharing bicycle target, final radar reflection effect satisfies each item requirement in the rule, and the material of adoption supplies internal chain of responsibility complete, and the low price increases a lot of crashproof designs, reduces the damage of sharing bicycle target when the collision, improves life and reuse rate, has reduced test cost.

In this embodiment, as shown in fig. 15, a schematic structural view of a left half of the chest and head structure 3 is shown, the chest and head structure is divided into a left half and a right half, the right half is symmetrical to the left half, as shown in fig. 15, semicircular grooves are arranged on the splicing surfaces of the left half and the right half, when the left half and the right half are spliced together, the semicircular long grooves of the left half and the right half form a circular hole deep groove support tube (whole circular hole), a shaft of an upright 35 is fixed in the circular hole, and the chest and head structure 3 of the dummy is connected and fixed on the dummy shared bicycle through the upright 35; meanwhile, the front and back inclination angles of the upper half body of the dummy target object are adjusted, the range of the adjusted inclination angles is generally 4-60 degrees, the front and back inclination angles of the upper half body of the dummy can be adjusted according to different riding actions, and riding posture characteristics of the upper half body of the dummy are changed.

In this embodiment, as shown in fig. 16, a schematic structural diagram of the vertical rod 35 is shown, and the vertical rod 35 is formed by milling a metal material and adopts a blackening process, so as to ensure the bearing strength. The upright rod 35 is fixedly connected with the central supporting tube on the riding dummy module 1 through a pin after being inserted oppositely.

In this embodiment, fig. 17 shows the right arm of the arm structure 4 of the cycling dummy, the arm structure 4 is fixed on the left and right sides of the chest and head structure 3 by the tensioning ropes; as shown in fig. 1 and 2, the tensioning rope is fixed at the upper end of one arm structure 4, passes through a hole formed at the upper end of the chest and head structure 3 and is fixed at the upper end of the other arm structure 4, the tensioning rope adopts a high-strength nylon two-for-one twisting structure, the number of two-for-one twisting strands is not less than 5 single wires, the twisting angle is 13-30 degrees, the twisting direction of the tensioning rope is towards, and the diameter of each single wire is 0.8-1.5 mm. The arm structures 4 are fixed at two ends of the human body of the dummy through the tension of the tension rope, the arm structures 4 and the shoulder joints can rotate like a normal person, and the posture of the arm structures 4 is adjusted; the hand structure is fixed on the faucet head pipe 23 of the shared bicycle module 2 through the binding belt, and the posture characteristics of the arm structure in riding of the real situation of a human are simulated.

In the present invention, as shown in fig. 18, the leg structure 5 includes a thigh structure, a shank structure and a foot structure, all made of polyurethane foam material, the thigh structure and the shank structure are adhered together by a cloth tape, and the cloth tape structure serves as a knee joint of the dummy, so that the bending motion of the leg structure 5 can be flexibly realized; as shown in fig. 1 and 2, the foot structure is fixed on backplate 11 that shared bicycle module 2 set up through the magic subsides, and the upper portion of thigh structure is passed through ya keli stick and constraint area fixed connection on fourth connecting piece 28 (yakeli stick passes left thigh upper portion hole, installs plastics threaded sleeve on fourth connecting piece 28, right thigh upper portion hole respectively from a left side to the right side), the utility model designs a leg gesture and the shared bicycle wheel rotation of riding dummy, the actual in-process people's of simulation shank form and wheel rotation more accord with the whole action of actually riding shared bicycle. In the AEB test, when the whole dummy is collided, the dummy can be separated, and the damage caused by collision is reduced, the utility model adopts a plurality of anti-collision connection designs, such as constraint belt connection and buckle connection, in the connection of components, the damage to equipment caused by collision in the test process is reduced, and the reuse rate is improved; meanwhile, in order to improve and prolong the collision resistance and the service life of the AEB China shared bicycle target object, the AEB China shared bicycle is improved in material and structure, the AEB China shared bicycle target object is made of the PC and POM materials which are good in toughness, mature in process and high in strength, the joint of the parts is structurally designed by using the buckles and the constraint belts, the parts are separated when being impacted, the internal consumption of impact energy is reduced, and the damage of the impact to the whole structure is avoided.

The shared bicycle dummy target is fixed on a target bearing platform 36 through a branch pipe 34 (as shown in fig. 19), one end of the branch pipe 34 is fixed on the second connecting piece 26 through bolt connection, and the other end is fixed on the target bearing platform 36 through a horseshoe-shaped magnet 37. The target carrying platform 36 is a flat chassis system that is part of the AEB test system for automated movement of a shared bicycle dummy target.

Prior to the AEB test, the shared bicycle dummy target is fixed on the target load-bearing platform 36 (fig. 19), with the front and rear wheels in contact with the ground; during testing, the target bearing platform is dragged to move by the traction case 38 through the synchronous belt, the shared bicycle target is driven together, and the front wheel and the rear wheel are driven to rotate under the action of ground friction force. In the test process, if the test vehicle collides with the dummy shared bicycle target object, the connection of the binding belt connecting structure and the buckle plays a role, the AEB test shared bicycle dummy target object is integrally dispersed into a plurality of parts, the damage caused by the collision is reduced, and the reuse rate of the equipment is improved.

Although the present invention has been provided in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present invention. The scope of the invention is defined by the appended claims and may include various modifications, adaptations and equivalents of the invention without departing from its scope and spirit.

Claims (10)

1. A shared bicycle dummy target for ADAS testing, comprising: riding dummy module (1), sharing bicycle module (2), its characterized in that:

the riding dummy module (1) comprises a chest and head structure (3), an arm structure (4) and a leg structure (5), wherein the upper sections of the chest and head structure are connected with one end of the arm structure (4), and the other end of the arm structure (4) is fixedly connected with the upper part of the front end of the vehicle body (10);

the bottom ends of the chest and head structures (3) are fixedly connected with the upper end of the middle part of the vehicle body (10); the upper end of the leg structure (5) is fixedly connected with the upper end of the middle part of the vehicle body (10), and the lower end of the leg structure (5) is fixedly connected with the lower end of the middle part of the vehicle body (10);

the shared bicycle module (2) comprises front wheels (6), a front mudguard (7), a bicycle basket (8), a bicycle basket connecting bracket (9), a bicycle body (10), a guard plate (11), a bicycle lock (12), a rear mudguard (13) and rear wheels (14), the front mudguard (7) is connected with the front end of the vehicle body (10) through a binding belt, the bicycle basket (8) is connected with the front end of the bicycle body (10) through a bicycle basket connecting bracket (9), the guard plate (11) is connected with the lower part of the vehicle body (10) through a binding belt, the vehicle lock (12) is connected with the rear tail part of the vehicle body (10) through a bonding process, the rear mudguard (13) is connected with the rear end of the vehicle body (10) through a binding belt, the lower part of the front end of the vehicle body is connected with the center of the front wheel (6), the lower part of the rear end of the car body is connected with the center of a rear wheel (14), and the bottom end of the car body (10) is fixedly connected with a target bearing platform.

2. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the front wheel (6) and the rear wheel (14) are circular and have the same structure.

3. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the wheel is composed of a tire (15), a hub (16), a spoke (17), a bearing sleeve (18), a bearing (19) and a wheel axle (20) from outside to inside, and the tire, the hub (16), the spoke (17), the bearing sleeve, the bearing (19) and the wheel axle (20) are sequentially connected and assembled according to the sequence.

4. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the bicycle comprises a bicycle body (10) and is characterized in that the bicycle body (10) is made of a PC pipe, and the bicycle body (10) comprises a front mudguard (7), a bicycle basket (8), a bicycle basket connecting support (9), a faucet head pipe (23), a connecting piece (24), a first connecting piece (22), a front fork (21), a lower pipe (25), a branch pipe (34), a second connecting piece (26), a cross pull rod (29), a cross pull rod lower fixing seat (30), a seat pipe (31), a third connecting piece (27), a fourth connecting piece (28), a rear upper fork (32), a rear lower fork (33) and a rear mudguard (13) from front to rear;

the front mudguard (7) is fixed below a bicycle basket (8), the bicycle basket (8) is connected with a bicycle body (10) through a bicycle basket connecting support (9), the bicycle basket connecting support (9) is fixed with a first connecting piece (22) through a screw, and the bicycle basket (8) and the bicycle basket connecting support (9) are fixed through a binding belt; the novel automobile front fork is characterized in that the faucet head pipe (23) is connected with the first connecting piece (22) through the connecting piece (24), the faucet head pipe (23) is connected with the connecting piece (24) through a bolt, the front fork (21) is connected with the lower pipe (25) through the first connecting piece (22), the connecting piece (24) is in matched connection with the lower pipe (25) through a shaft hole formed in the first connecting piece (22), the front fork (21) is connected with the first connecting piece (22) through a screw, the front mud guard (7) is fixed on the front fork (21) through a binding belt, the seat pipe (31) and the rear lower fork (33) are connected with the middle lower portion of an automobile body through the second connecting piece (26), the seat pipe (31) and the lower pipe (25) are in matched connection with the shaft hole formed in the second connecting piece (26), and the rear lower fork (33) is connected through buckles arranged on two sides of the second connecting piece (26); the seat tube (31) is connected with the rear upper fork (32) through a third connecting piece (27), the seat tube (31) and the fourth connecting piece (28) are connected with a shaft hole formed in the third connecting piece (27) in a matched mode, and the rear upper fork (32) is connected with the rear upper fork through buckles arranged on two sides of the third connecting piece (27); the rear upper fork (32) and the rear lower fork (33) are connected with a wheel shaft (20) arranged on the rear wheel (14) through bolts, and the rear mudguard (13) is fixed on the upper part of the rear upper fork (32) through a binding belt.

5. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the seat tube (31) and the rear lower fork (33) are connected at the middle lower part of the shared bicycle through a specially-made second connecting piece (26), wherein the seat tube (31) is matched and connected with a shaft hole arranged on the second connecting piece (26); the rear lower fork (33) is connected through the buckles arranged at the two sides of the second connecting piece (26).

6. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the seat tube (31) and the rear upper fork (32) are connected with the middle upper part of the bicycle through a third connecting piece (27), the seat tube (31) is matched and connected with a shaft hole formed in the third connecting piece (27), and the rear upper fork (32) is connected with the rear upper fork through buckles arranged on two sides of the third connecting piece (27).

7. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the tie rod (29) is respectively connected with the lower pipe (25) and the seat pipe (31) through a tie rod lower fixing seat (30) by bolts, and the tie rod (29) is used for connecting the lower pipe and the seat pipe.

8. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the rear upper fork (32) and the rear lower fork (33) are connected with the wheel shaft (20) of the rear wheel (14) through bolts, and the rear upper fork (32) and the rear lower fork (33) are connected with the front end part through arranged buckles.

9. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein: the shared bicycle module (2) comprises tubular parts and connecting parts, wherein the tubular parts comprise a lower pipe (25) and a seat pipe (31), and the connecting parts comprise a connecting part (24), a first connecting part (22), a second connecting part (26), a third connecting part (27) and a fourth connecting part (28).

10. The shared bicycle dummy target for ADAS testing as claimed in claim 1, wherein:

the first connecting piece (22) is provided with a clamping ring for clamping connection in the horizontal direction and counter bores which are obliquely upward and downward, and the clamping ring is used for clamping and fixing the front fork (21);

the second connecting piece (26) comprises counter bores which are obliquely upward and obliquely rearward and a clamping ring for clamping connection;

the third connecting piece (27) comprises counter bores which are obliquely upward and downward, the third connecting piece (27) is also provided with small holes which are vertical to the directions of the two counter bores, and the third connecting piece (27) is used for connecting the seat tube (31), the rear upper fork (32) and the fourth connecting piece (28);

the fourth connecting piece (28) is a connecting piece for connecting the riding dummy module (1) and the shared bicycle module (2).

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