Electric bicycle dummy serving as automobile auxiliary driving target object

Abstract

The utility model discloses an electric bicycle dummy serving as an automobile auxiliary driving target object, and relates to the technical field of automobile active safety, the dummy comprises a bicycle assembly and a riding dummy assembly, the bicycle assembly is consistent with a real electric bicycle in appearance and comprises a handlebar, a front wheel, a bicycle body, a rear wheel and a rear seat, the front wheel and the rear wheel are fixed to the bicycle body through magnetic attraction structures respectively, the riding dummy assembly comprises a head, a trunk, arms and legs, the shape of the riding dummy assembly is consistent with that of a real rider, the hip positions and the foot positions of the legs are connected with the bicycle body respectively, and the hand positions of the arms are connected with the bibcock; according to the technical scheme, the problems of shortage of target objects, long maintenance period and high cost of the electric bicycle dummy are solved, coverage of real road scenes in a specific area is increased, the test accuracy is improved, the positions, easy to break, in the dummy are connected through the magnetic attraction structures, the exterior of the bicycle body is wrapped and filled with foam, test damage is reduced, and the test efficiency is improved. The service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of active safety of automobiles, and particularly to an electric bicycle dummy as an auxiliary driving target of an automobile. Background Art

[0002] With the continuous progress of automobile technology, the auxiliary driving system has become an important part of modern automobiles. These systems can integrate a variety of sensors (such as radar, camera, lidar, etc.) and advanced algorithms to perceive the surrounding environment in real time, provide driving assistance for drivers, and even achieve autonomous driving in some cases. To ensure the safety and reliability of these systems, a large number of tests and experimental verifications are usually required in advance. At present, electric bicycles have become an important tool for urban residents to travel short distances. China has the largest production and consumption market of electric bicycles in the world. With the continuous growth of market demand, the production and sales volume of electric bicycles are also increasing year by year. When evaluating and testing the auxiliary driving system, the recognition of electric bicycles needs to be included to enrich the test scenarios of the auxiliary driving system, which provides a broad market space for the development of electric bicycle dummy targets.

[0003] The main test dummy targets in the existing market are mainly imported products from abroad, with poor cost performance and high overall cost; at the same time, the test targets are consumables and need to be maintained, repaired or replaced frequently, and the after-sales service and support period abroad is long. Moreover, in terms of design, the prototypes referred to by foreign products do not match the actual road participants in China. For example, the shape of the two-wheeled vehicle target is quite different from that of domestic electric bicycles and is not representative.

[0004] In order to adapt to the evaluation and testing of domestic auxiliary driving systems, it is urgent to develop an electric bicycle dummy with dimensions and shapes similar to real vehicles and people, and meeting the relevant regulations and scenario usage requirements of domestic C-NCAP (China-New Car Assessment Program) tests, so as to meet the needs of various test institutions and automobile manufacturers, and solve the problems of the shortage of electric bicycle dummy targets in the current test scenarios or the inability of foreign two-wheeled vehicle targets to accurately simulate electric bicycles. Summary of the Utility Model

[0005] The purpose of the utility model is to: aiming at the deficiencies of the existing technology, provide an electric bicycle dummy for an automobile auxiliary driving target, solve the problems of the shortage of electric bicycle dummy targets, and the long maintenance period and high cost of existing electric bicycle dummy targets, increase the coverage of real road scenarios in specific areas, and improve the accuracy of the evaluation and testing of automobile auxiliary driving systems.

[0006] The technical solution of the present utility model is: to provide an electric bicycle dummy as an auxiliary driving target for an automobile, and the electric bicycle dummy includes: a bicycle component and a cycling dummy component;

[0007] The bicycle component includes a handlebar, a front wheel, a body, a rear wheel and a magnetic attraction structure. The handlebar is fixed at the upper end of the head of the body. The front wheel is fixed at the lower end of the head of the body through the magnetic attraction structure. The rear wheel is fixed at the lower end of the tail of the body through the magnetic attraction structure;

[0008] The cycling dummy component includes a head, a torso, arms and legs. The arms are arranged on both sides of the torso. The legs are fixed at the lower end of the torso. The hip position and the foot position of the legs are respectively connected to the body. The hand position of the arms is connected to the handlebar.

[0009] Further, the body includes a front connecting pipe, a front wheel connecting pipe, a base, a rear transverse connecting pipe, a rear connecting pipe and a seat;

[0010] The front wheel connecting pipe is fixed at the upper end of the front connecting pipe. Mounting holes are provided on the base. The front connecting pipe and the rear connecting pipe are respectively fixed in the corresponding mounting holes. The seat is fixed at the upper end of the rear connecting pipe. The rear transverse connecting pipe is connected to the rear connecting pipe through the magnetic attraction structure.

[0011] Further, the body further includes a bottom support pipe, an auxiliary support pipe and a rear longitudinal connecting pipe;

[0012] The bottom support pipe is fixed at the lower end of the base. The auxiliary support pipe is fixed at the head and the tail at the lower end of the base. One end of the rear longitudinal connecting pipe is connected to the rear transverse connecting pipe, and the other end is connected to the rear wheel. Among them, the auxiliary support pipe includes a cross plate and two legs. The cross plate is connected to the base, and the two legs are respectively fixed at both ends of the cross plate.

[0013] Further, the handlebar is fixed at the upper end of the front wheel connecting pipe. The bicycle component further includes a storage basket and a rear seat. The storage basket is fixed on the front wheel connecting pipe through a pipe clamp. The rear seat is sleeved outside the rear transverse connecting pipe.

[0014] Further, rubber grips are symmetrically arranged on both sides of the handlebar. A front lamp is arranged at the middle position of the handlebar. The arms are connected to the rubber grips.

[0015] Further, the front wheel includes a front fender, a first support rod, a first wheel set and a first rotating mechanism. The first wheel set is rotatably connected to the first support rod through the first rotating mechanism. The front fender is fixed on the first support rod and is located above the first wheel set. The first support rod is connected to the tail of the base through the magnetic attraction structure.

[0016] Further, the rear wheel includes a rear fender, a second support rod, and a second rotating mechanism. The second wheel set is rotatably connected to the second support rod through the second rotating mechanism. The rear fender is fixed on the second support rod and is located above the second wheel set. The second support rod is connected to the front wheel connecting pipe through a magnetic attraction structure.

[0017] Further, the magnetic attraction structure includes a magnetic attraction upper base and a magnetic attraction lower base. Magnets are respectively arranged inside the magnetic attraction upper base and the magnetic attraction lower base, and the magnet in the magnetic attraction upper base attracts the magnet in the magnetic attraction lower base.

[0018] Further, the head and the torso are of an integral structure. A reinforcing skeleton is arranged inside the connection position between the head and the torso, and a reinforcing skeleton is arranged inside the arm.

[0019] Further, materials for adjusting the radar cross section are respectively arranged outside the bicycle component and the riding dummy component.

[0020] The beneficial effects of the present utility model are as follows:

[0021] First, the overall shape of the technical solution in the present utility model is designed based on a real electric bicycle and a rider, and can exhibit the same visual characteristics as a real electric bicycle and a rider. Moreover, materials for adjusting the radar cross section are arranged outside the electric bicycle dummy, which can ensure that the overall electric bicycle target has the same radar reflection attributes as a real electric bicycle and a rider, meeting the requirements of the evaluation test of the automotive assisted driving system; the technical solution in the present utility model can solve the problems of the shortage of electric bicycle dummy targets and the long maintenance cycle and high cost of existing electric bicycle dummy targets, increase the coverage of specific regional real road scenes, and improve the accuracy of the evaluation data obtained from the test.

[0022] Second, in the preferred implementation manner of the present utility model, in terms of material selection, the electric bicycle dummy is mainly composed of a combination of non-metallic materials, with low manufacturing cost and easy maintenance. Moreover, the body is wrapped with filled foam, and a skeleton is arranged inside the riding dummy component, taking into account the structural strength and durability of the target. The overall structure is light in weight and convenient to carry; in terms of the connection method, magnetic attraction structures are used at the positions of the dummy that are vulnerable to external forces and prone to breakage, such as the front wheel, the rear wheel, and the rear transverse connecting pipe for fixing the rear seat, all of which adopt magnetic attraction connections. The bicycle component and the riding dummy component adopt Velcro connections. Flexible connection methods such as magnetic attraction and Velcro can enable the riding dummy component, the front wheel, the rear wheel, and the rear seat to be separated from the vehicle body in a timely manner when colliding with the test vehicle, disperse the impact force of the collision, effectively avoid damage to the electric bicycle dummy target and the test vehicle, extend the service life, and at the same time, the connection methods of magnetic attraction and Velcro are also convenient for subsequent reinstallation, improving the test efficiency.

[0023] Thirdly, in the preferred implementation of the present utility model, a bottom support tube and an auxiliary support tube are provided at the bottom of the vehicle body, increasing the strength of the vehicle body base, making it not easily bend or break when subjected to a large pressure, and at the same time supporting the entire vehicle body, so that the overall structure of the bicycle assembly remains stable during movement and is not easily overturned. Description of the Drawings

[0024] The above and / or additional aspects of the present utility model will become obvious and easy to understand in the description of the embodiments in conjunction with the following drawings, where:

[0025] Figure 1 is a schematic diagram of the overall structure of an electric bicycle dummy as an automotive assisted driving target according to an embodiment of the present utility model;

[0026] Figure 2 is a side cross-sectional view of a bicycle assembly according to an embodiment of the present utility model;

[0027] Figure 3 is a schematic diagram of the overall structure of a bicycle assembly according to an embodiment of the present utility model;

[0028] Figure 4 is a schematic diagram of the overall structure of a cycling dummy assembly according to an embodiment of the present utility model;

[0029] Figure 5 is a schematic diagram of a magnetic attraction structure according to an embodiment of the present utility model;

[0030] Figure 6 is a schematic diagram of the structure of a front wheel according to an embodiment of the present utility model;

[0031] Figure 7 is a schematic diagram of the structure of an auxiliary support tube according to an embodiment of the present utility model;

[0032] Wherein, 1 - bicycle assembly, 11 - faucet, 111 - headlight, 112 - rubber grip, 12 - storage basket, 13 - front wheel, 131 - front fender, 132 - first support rod, 133 - first wheel set, 134 - first rotating mechanism, 14 - vehicle body, 141 - front connecting tube, 142 - front wheel connecting tube, 143 - base, 144 - bottom support tube, 145 - auxiliary support tube, 1451 - cross plate, 1452 - leg, 146 - rear longitudinal connecting tube, 147 - rear transverse connecting tube, 148 - rear connecting tube, 149 - seat, 15 - rear wheel, 151 - rear fender, 152 - second support rod, 153 - second wheel set, 154 - second rotating mechanism, 16 - rear seat, 17 - magnetic attraction structure, 171 - magnetic attraction upper base, 172 - magnetic attraction lower base, 2 - cycling dummy assembly, 21 - head, 22 - torso, 23 - arm, 24 - leg. Specific Embodiments

[0033] In order to more clearly understand the above-mentioned objects, features, and advantages of the present utility model, the present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

[0034] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0035] As Figures 1 to 4 shown, this embodiment provides an electric bicycle dummy as an auxiliary driving target for an automobile. The electric bicycle dummy includes: a bicycle component 1 and a cycling dummy component 2, and the cycling dummy component 2 is fixed on the bicycle component 1.

[0036] Materials for adjusting the radar reflection (RCS value) are respectively arranged on the outer parts of the bicycle component 1 and the cycling dummy component 2. Materials for adjusting the radar reflection value can be selected from aluminum foil coated cloth, conical absorbing materials, etc. By adjusting these materials, the radar reflection values of various positions of the electric bicycle dummy are adjusted, so that the radar attributes of the electric bicycle dummy are consistent with those of a real electric bicycle and the cyclist.

[0037] As Figure 2 value Figure 3 shown, the bicycle component 1 includes a handlebar 11, a storage basket 12, a front wheel 13, a body 14, a rear wheel 15, a rear seat 16, and a magnetic attraction structure 17. The handlebar 11 is fixed above the head of the body 14, the storage basket 12 is fixed at the middle position of the head of the body 14, the front wheel 13 is fixed below the head of the body 14 through the magnetic attraction structure 17, the rear wheel 15 is fixed below the tail of the body 14 through the magnetic attraction structure 17, and the rear seat 16 is fixed above the tail.

[0038] In this embodiment, the front end side of the bicycle component 1 is regarded as the head, and the rear end side is regarded as the tail.

[0039] As Figure 5As shown, the magnetic attraction structure 17 includes a magnetic attraction upper base 171 and a magnetic attraction lower base 172. Among them, the magnetic attraction lower base 172 is a U-shaped structure. Magnets are respectively arranged inside the magnetic attraction upper base 171 and the magnetic attraction lower base 172, and the magnet in the magnetic attraction upper base 171 attracts the magnet in the magnetic attraction lower base 172. In this embodiment, the magnets in a single magnetic attraction structure 17 can be four pairs of standard circular ring magnets with a diameter of 25 mm. The N poles and S poles of the circular ring magnets are respectively fixed inside the magnetic attraction upper base 171 and the magnetic attraction lower base 172 through bolts.

[0040] In this embodiment, both the front wheel 13 and the rear wheel 15 are connected to the vehicle body 14 through the magnetic attraction structure 17. During the evaluation and testing process of the vehicle auxiliary driving system, the magnetic attraction connection method can make the front wheel 13 and the rear wheel 15 separate from the vehicle body 14 in time when a collision occurs, disperse the impact force of the collision, effectively avoid the damage of the target object and the test vehicle, and at the same time, the magnetic attraction connection method is also convenient for subsequent reinstallation and improves the test efficiency.

[0041] The vehicle body 14 includes a front connecting pipe 141, a front wheel connecting pipe 142, a base 143, a bottom support pipe 144, an auxiliary support pipe 145, a rear longitudinal connecting pipe 146, a rear transverse connecting pipe 147, a rear connecting pipe 148, and a seat 149.

[0042] The front wheel connecting pipe 142 is fixed to the upper end of the front connecting pipe 141. The upper end of the front wheel connecting pipe 142 is connected to the faucet 11 through a pin, and the lower end is connected to the front wheel 13 through the magnetic attraction structure 17. Among them, the magnetic attraction upper base 171 in the magnetic attraction structure 17 is fixed to the lower end of the front wheel connecting pipe 142, and the magnetic attraction lower base 172 in the magnetic attraction structure 17 is fixed to the front wheel 13. The magnetic attraction upper base 171 on the front wheel connecting pipe 142 is magnetically connected to the magnetic attraction lower base 172 on the front wheel 13.

[0043] The upper end of the base 143 is provided with mounting holes for installing the front connecting pipe 141 and the rear connecting pipe 148. The lower end of the front connecting pipe 141 is inserted into the corresponding mounting hole and fixed to the base 143 through a pin. The lower end of the rear connecting pipe 148 is inserted into the corresponding mounting hole and fixed to the base 143 through a pin. Foam is filled around the outside of the base 143, and the outside of the filled foam is wrapped with an outer skin. Among them, the filled foam outside the base 143 has the same shape as the base in a real electric bicycle, and a pattern for simulating the real base is drawn on the outer skin of the base 143.

[0044] A slot for installing the bottom support tube 144 is provided at the middle position of the lower end of the base 143. A U-shaped groove is provided at the upper end of the bottom support tube 144. The U-shaped groove of the bottom support tube 144 is inserted into the slot at the lower end of the base 143 and fixed to the base 143 by bolts. The bottom support tube 144 is used to provide support for the base 143, increasing the pressure that the base 143 can withstand, so that it is not easily bent or broken when subjected to a large pressure.

[0045] As Figure 7 shown, the auxiliary support tubes 145 are fixed to the lower end of the base 143 by Velcro. Specifically, there are two auxiliary support tubes 145, which are respectively fixed to one side of the head and one side of the tail at the lower end of the base 143. The auxiliary support tube 145 includes a cross plate 1451 and two legs 1452. The two legs 1452 are respectively fixedly connected to both ends of the cross plate 1451 by bolts. A Velcro is provided above the cross plate 1451, and this Velcro is adhered to the corresponding Velcro on the outer skin at the lower end of the base 143. In this embodiment, two auxiliary support tubes 145 are provided at the lower end of the base 143, which can make the overall structure of the bicycle component stable during movement and not easily tip over.

[0046] The tail of the base 143 is connected to the rear wheel 15 through a magnetic attraction structure 17. Among them, an installation hole for installing the magnetic attraction structure 17 is provided on one side of the tail of the base 143. The magnetic attraction upper base 171 in the magnetic attraction structure 17 is fixed to this installation hole by bolts, and the magnetic attraction lower base 172 in the magnetic attraction structure 17 is fixed to the rear wheel 15 by bolts. The magnetic attraction upper base 171 at the tail of the base 143 is magnetically connected to the magnetic attraction lower base 172 on the rear wheel 15.

[0047] The saddle 149 is fixed to the upper end of the rear connecting tube 148 by bolts, and then the rear transverse connecting tube 147 is connected to the rear connecting tube 148 through a magnetic attraction structure 17. Specifically, a connecting piece is provided at a position on the rear connecting tube 148 close to the saddle 149. The magnetic attraction upper base 171 in the magnetic attraction structure 17 is fixed to this connecting piece by bolts, and the magnetic attraction lower base 172 in the magnetic attraction structure 17 is fixed to the rear transverse connecting tube 147 by bolts. The magnetic attraction upper base 171 on the connecting piece of the rear connecting tube 148 is magnetically connected to the magnetic attraction lower base 172 on the rear transverse connecting tube 147.

[0048] One end of the rear longitudinal connecting tube 146 is connected to the rear transverse connecting tube 147 by a pin, and the other end is connected to the rear wheel 15 by a bolt.

[0049] The lower end of the faucet 11 is connected to the upper end of the front wheel connecting pipe 142 through a bolt. Rubber grips 112 are symmetrically arranged on both sides of the faucet 11, and a front lamp 111 is arranged in the middle of the faucet 11. Among them, the front lamp 111 is made of filled foam, and its shape is the same as that of the front lamp of a real electric bicycle. The filled foam of the front lamp 111 is wrapped with an outer skin, and patterns for simulating a real front lamp are drawn on the outer skin.

[0050] Pipe clamps are arranged at the positions on the front wheel connecting pipe 142 for installing the storage basket 12, and the storage basket 12 is connected to the front wheel connecting pipe 142 through the pipe clamps. Among them, the storage basket 12 is made of filled foam, and its shape is the same as that of the storage basket of a real electric bicycle. The filled foam of the storage basket 12 is wrapped with an outer skin, and patterns for simulating a real front lamp are drawn on the outer skin.

[0051] As Figure 6 shown, the front wheel 13 includes a front fender 131, a first support rod 132, a first wheel set 133, and a first rotating mechanism 134. The first wheel set 133 is rotatably connected to the first support rod 132 through the first rotating mechanism 134. The front fender 131 is fixed on the first support rod 132 and is located above the first wheel set 133. The first support rod 132 is connected to the tail of the base 143 through a magnetic attraction structure 17. Among them, the front fender 131 is made of EVA material (Ethylene Vinyl Acetate Copolymer), and its shape is the same as that of the front fender of a real electric bicycle. The EVA material of the front fender 131 is wrapped with an outer skin, and realistic patterns, reflective warning stickers, etc. are made on the outer skin for simulating the appearance details of a real electric bicycle.

[0052] Specifically, the first wheel set 133 includes a spoke plate and a tire. The spoke plate is embedded in the tire and is bonded with glue. Among them, the tire is made of EVA material. The first rotating mechanism 134 includes a central shaft, a bearing seat, and bearings. The bearings are installed on the bearing seat. There are two sets of the whole formed by the bearings and the bearing seat, and they are respectively fixed on both sides of the spoke plate through bolts. The bearings extend into the through holes in the middle position of the spoke plate. The central shaft passes through the two sets of bearings and the through holes in the middle of the spoke plate, and both ends are respectively fixedly connected to the first support rod 132. Two sets of snap rings are arranged on the central shaft, and the two sets of snap rings are respectively located outside the two sets of bearings for limiting the two sets of bearings.

[0053] In this embodiment, two sets of bearings are provided. The central shaft is supported by these two sets of bearings together, so that the first wheel set 133 can rotate under the action of external friction (when the tire contacts the ground during the test and the front wheel 13 moves, friction can be generated), simulating the rotation of the wheels in a real electric bicycle and generating the same micro-Doppler effect as that of a real moving electric bicycle to improve the accuracy of the test.

[0054] The rear wheel 15 includes a rear mudguard 151, a second support rod 152, a second wheel set 153 and a second rotating mechanism 154. The second wheel set 153 is rotatably connected to the second support rod 152 through the second rotating mechanism 154. The rear mudguard 151 is fixed on the second support rod 152 and is located above the second wheel set 153. The second support rod 152 is connected to the front wheel connecting pipe 142 through a magnetic attraction structure 17. Among them, the rear mudguard 151 is made of EVA material, and its shape is the same as that of the rear mudguard of a real electric bicycle. The outer part of the EVA material of the rear mudguard 151 is wrapped with an outer skin, and simulated patterns, reflective warning stickers, etc. are made on the outer skin for simulating the appearance details of a real electric bicycle.

[0055] Specifically, the structural composition, connection method and material selection of the second wheel set 153 are the same as those of the first wheel set 133, and will not be elaborated here; the structural composition, connection method and material selection of the second rotating mechanism 154 are the same as those of the first rotating mechanism 134, and will not be elaborated here.

[0056] The rear seat 16 is sleeved outside the rear horizontal connecting pipe 147 and is fixedly connected to the rear horizontal connecting pipe 147. The rear seat 16 is made of filled foam, and its shape is the same as that of the rear seat of a real electric bicycle. The outer part of the filled foam of the rear seat 16 is wrapped with an outer skin.

[0057] In this embodiment, the filled foam used in some component structures of the bicycle assembly 1 is designed with reference to the relevant dimensions of national standard electric bicycles. The shape of the filled foam after processing and carving is the same as that of the component structures in a real electric bicycle, so that the bicycle assembly 1 can simulate a real electric bicycle and improve the accuracy of the data obtained from the test.

[0058] In this embodiment, pipe structure socket connections are adopted between some components of the bicycle assembly 1. These pipe structures are all made of plastic materials, such as polyethylene pipes. Standard specification plastic materials are selected according to actual needs and cut and assembled, which reduces the production cost, and the standard specification pipes are convenient to replace, further reducing the cost in use. Among them, these pipe structures include the support rods in the front wheel 13 and the rear wheel 15, the front connecting pipe 141, the front wheel connecting pipe 142, the bottom support pipe 144, the auxiliary support pipe 145, the rear longitudinal connecting pipe 146, the rear horizontal connecting pipe 147 and the rear connecting pipe 148; a layer of filled foam is wrapped outside these pipe structures, and is carved according to the outer shape dimensions of the electric bicycle to simulate the appearance structure of a real electric bicycle. The filled foam has the performance of absorbing impact and can effectively buffer the collision impact force in the test, further ensuring the safety of the test vehicle and personnel.

[0059] In this embodiment, after the pipe structure and some components in the bicycle component 1 are opened at the socket position, a dowel pin is used for connection and fastening. The dowel pin is formed by cutting a plastic rod of a standard specification.

[0060] As Figure 4 shown, the riding dummy component 2 includes a head 21, a torso 22, arms 23 and legs 24.

[0061] The head 21 and the torso 22 are an integral structure, which is carved from a whole piece of manufacturing material and adopts a split structure along the central plane for easy processing of the manufacturing material. A reinforcing skeleton made of plastic material, i.e., a plastic processed part, is arranged inside the connection position (i.e., the neck) between the head 21 and the torso 22 to strengthen this connection position and prevent the weak position from being damaged when filled with foam during a collision. In this embodiment, the shape of the head 21 is designed based on the head and facial features of an adult male wearing a helmet, ensuring that the head 21 can accurately simulate the head features of a real cyclist and can thus be recognized by the vision sensor in the vehicle's assisted driving system.

[0062] The arms 23 include a left arm and a right arm. The left and right arms are symmetrically arranged on both sides of the shoulders of the torso 22, and a stretch cord is used to connect the left and right arms in a tensioned manner. The stretch cord passes through the torso 22 to connect the left and right arms together, forming an integral structure with the torso 22. A reinforcing skeleton made of plastic material is arranged in the arms 23 to strengthen the relatively weak positions in the arms 23 and prevent the foam filled inside from being damaged when a collision occurs.

[0063] The legs 24 include a left leg, a right leg and a hip. The legs 24 are arranged below the integral formed by the head 21 and the torso 22, and it also adopts a split structure along the central plane, which is convenient for processing the manufacturing material; the shape of the legs 24 is designed based on the posture of the legs in the actual riding sitting position, and can simulate the body posture of a real cyclist.

[0064] In the riding dummy component 2, all the component structures other than the reinforcing skeleton are made of filled foam, and the outer skin is wrapped around the outside of each component structure. The color of the outer skin conforms to the characteristics of a real person and has the same radar reflection properties as a real person. Among them, the color of the outer skin is selected to match the real human skin and the common clothing colors, meeting the relevant requirements of the NCAP (New Car Assessment Program) new car test specifications at home and abroad.

[0065] Velcro is provided at the position of the upper end of the leg 24 on the lower surface of the buttocks, and Velcro is provided on the upper surface of the seat 149 in the vehicle body 14. The buttocks position of the leg 24 is connected to the upper surface of the seat 149 through Velcro. Velcro is provided at the position of the lower end of the leg 24 on the lower surface of the foot, and Velcro is provided on the upper surface of the base 143 in the vehicle body 14. The foot position of the leg 24 is connected to the upper surface of the base 143 through Velcro. Velcro is provided at the position of the lower surface of the hand of the arm 23, and Velcro is provided on the rubber grip 112 of the faucet 11. The hand position of the arm 23 is connected to the rubber grip 112 through Velcro.

[0066] In this embodiment, the overall shape design of the cycling dummy assembly 2 is based on the sitting posture characteristics of adult males. Such a design can ensure that it truly reflects the body posture characteristics of the cyclist in terms of size, shape, etc.

[0067] In this embodiment, the filling foam can be selected from high-density foam or pearl cotton. During production, the filling foam is carved and processed so that its shape is consistent with the shape of the components in a real electric bicycle. The outer skin is selected from composite coating fabrics or leather materials, such as being sewn from multiple layers of fabrics. This composite coating fabric has strong wear resistance and tear resistance, and the outer skin made of this composite coating fabric can be recognized by the radar detection equipment (such as millimeter-wave radar, lidar, etc.) in the parking assist system. In this embodiment, the filling foam and the outer skin are used to protect the internal structural components and reduce the damage to the internal structural components caused by collisions during the test process.

[0068] Currently, the evaluation and testing of automotive assisted driving systems mainly rely on cameras and in-vehicle radars to identify traffic conditions. When using the electric bicycle dummy in this embodiment to test and evaluate the automotive assisted driving system, before the experiment, the electric bicycle dummy is pre-placed on the driving path of the test vehicle. After the experiment starts, the vehicle engine is started and driven along the predetermined path to verify the detection function of the automotive assisted driving system and observe whether the system can recognize the electric bicycle dummy on the path and take safety measures such as alarm and intervention for emergency braking.

[0069] In the present utility model, terms such as "installation", "connection", "coupling", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "coupling" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0070] The shapes of the various components in the drawings are all schematic, and there is no exclusion of a certain difference from their actual shapes. The drawings are only used to illustrate the principle of the present utility model and are not intended to limit the present utility model.

[0071] Although the present utility model has been disclosed in detail with reference to the accompanying drawings, it should be understood that these descriptions are merely exemplary and are not intended to limit the application of the present utility model. The protection scope of the present utility model is defined by the appended claims and may include various modifications, adaptations, and equivalent solutions made to the utility model without departing from the protection scope and spirit of the present utility model.

Claims

1. An electric bicycle dummy as an object for vehicle assisted driving, characterized in that, The electric bicycle dummy includes: a bicycle component (1) and a cycling dummy component (2); The bicycle component (1) includes a handlebar (11), a front wheel (13), a body (14), a rear wheel (15) and a magnetic attraction structure (17). The handlebar (11) is fixed at the upper end of the head of the body (14). The front wheel (13) is fixed at the lower end of the head of the body (14) through the magnetic attraction structure (17). The rear wheel (15) is fixed at the lower end of the tail of the body (14) through the magnetic attraction structure (17); The cycling dummy component (2) includes a head (21), a torso (22), arms (23) and legs (24). The arms (23) are arranged on both sides of the torso (22). The legs (24) are fixed at the lower end of the torso (22). The hip position and the foot position of the legs (24) are respectively connected to the body (14). The hand position of the arms (23) is connected to the handlebar (11).

2. The electric bicycle dummy as the target object for automotive assisted driving according to claim 1, characterized in that, The body (14) includes a front connecting pipe (141), a front wheel connecting pipe (142), a base (143), a rear transverse connecting pipe (147), a rear connecting pipe (148) and a seat (149); The front wheel connecting pipe (142) is fixed at the upper end of the front connecting pipe (141). Mounting holes are provided on the base (143). The front connecting pipe (141) and the rear connecting pipe (148) are respectively fixed in the corresponding mounting holes. The seat (149) is fixed at the upper end of the rear connecting pipe (148). The rear transverse connecting pipe (147) is connected to the rear connecting pipe (148) through the magnetic attraction structure (17).

3. The electric bicycle dummy as the target object for automotive assisted driving according to claim 2, characterized in that, The body (14) further includes a bottom support pipe (144), an auxiliary support pipe (145) and a rear longitudinal connecting pipe (146); The bottom support pipe (144) is fixed at the lower end of the base (143). The auxiliary support pipe (145) is fixed at the head and the tail of the lower end of the base (143). One end of the rear longitudinal connecting pipe (146) is connected to the rear transverse connecting pipe (147), and the other end is connected to the rear wheel (15). Among them, the auxiliary support pipe (145) includes a cross plate (1451) and two legs (1452). The cross plate (1451) is connected to the base (143). The two legs (1452) are respectively fixed at both ends of the cross plate (1451).

4. The electric bicycle dummy as the target object for automotive assisted driving according to claim 2, characterized in that, The handlebar (11) is fixed at the upper end of the front wheel connecting pipe (142). The bicycle component (1) further includes a storage basket (12) and a rear seat (16). The storage basket (12) is fixed on the front wheel connecting pipe (142) through a pipe clamp. The rear seat (16) is sleeved outside the rear transverse connecting pipe (147).

5. The electric bicycle dummy as the target object for vehicle assisted driving according to claim 1, wherein, Rubber grips (112) are symmetrically arranged on both sides of the handlebar (11). A front lamp (111) is arranged at the middle position of the handlebar (11). The arms (23) are connected to the rubber grips (112).

6. The electric bicycle dummy as the automotive assisted driving target object according to claim 2, characterized in that, The front wheel (13) includes a front fender (131), a first support rod (132), a first wheel set (133) and a first rotating mechanism (134). The first wheel set (133) is rotatably connected to the first support rod (132) through the first rotating mechanism (134). The front fender (131) is fixed on the first support rod (132) and is located above the first wheel set (133). The first support rod (132) is connected to the tail of the base (143) through a magnetic attraction structure (17).

7. The electric bicycle dummy as the automotive assisted driving target object according to claim 2, wherein The rear wheel (15) includes a rear fender (151), a second support rod (152), a second wheel set (153) and a second rotating mechanism (154). The second wheel set (153) is rotatably connected to the second support rod (152) through the second rotating mechanism (154). The rear fender (151) is fixed on the second support rod (152) and is located above the second wheel set (153). The second support rod (152) is connected to the front wheel connecting pipe (142) through the magnetic attraction structure (17).

8. The electric bicycle dummy as the target object for automotive assisted driving according to claim 1, characterized in that, The magnetic attraction structure (17) includes a magnetic attraction upper base (171) and a magnetic attraction lower base (172). Magnets are respectively arranged inside the magnetic attraction upper base (171) and the magnetic attraction lower base (172), and the magnet in the magnetic attraction upper base (171) attracts the magnet in the magnetic attraction lower base (172).

9. The electric bicycle dummy as the target object for automotive assisted driving according to claim 1, characterized in that, The head (21) and the torso (22) are of an integral structure, a reinforcing skeleton is arranged inside the connection position between the head (21) and the torso (22), and a reinforcing skeleton is arranged inside the arm (23).

10. The electric bicycle dummy as the target object for vehicle assisted driving according to claim 1, characterized in that, Materials for adjusting the radar cross section are respectively arranged outside the bicycle component (1) and the riding dummy component (2).

Images