Buggy dummy for target object of automobile auxiliary driving system
By designing a child vehicle dummy, the problem of the lack of target objects for child vehicle dummy in existing technologies has been solved, achieving low-cost and efficient test coverage scenarios and improving the accuracy of evaluation data and test safety.
Patent Information
- Application Number
- CN202422970064.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The lack of child car dummy targets in existing technologies, coupled with the high cost and long maintenance cycle of imported products, affects the testing efficiency and accuracy of evaluation data for intelligent assisted driving systems.
A children's car dummy was designed, comprising a child dummy, a toy car, and a support base. It uses non-metallic materials and flexible connections to simulate the shape and radar reflection properties of a real young child, and is suitable for static and dynamic scene testing.
It provides low-cost, high-efficiency test coverage scenarios, improves the accuracy of evaluation data, reduces maintenance and replacement costs, and ensures test security and efficiency.
Smart Images
Figure CN223597215U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile intelligent auxiliary driving system evaluation, in particular to a child car dummy for automobile auxiliary driving system target. BACKGROUND
[0002] With the rapid development of automobile auxiliary driving technology (ADAS), the vehicle system needs to more intelligently identify various obstacles and pedestrians on the road, including children. When children ride toy cars, they are difficult to be discovered by the identification equipment of the vehicle due to their low height, slow movement speed and unpredictable movement direction, and belong to the target that is not easy to be captured by the auxiliary driving system on the road. Therefore, children riding toy cars have become the target that the auxiliary driving system needs to pay special attention to.
[0003] In real life, children riding toy cars will randomly appear on the road when playing, and it is easy to interact with vehicles driving. In order to ensure the safety of children in these situations, the automobile auxiliary driving system needs to have the ability to accurately identify and avoid children riding toy cars. Therefore, it is known that developing a dummy target that can simulate the behavior of children riding toy cars is crucial for verifying and optimizing the perception, decision-making and execution capabilities of the auxiliary driving system.
[0004] In the process of testing and evaluating automobiles, the use of real children in testing cannot guarantee the safety of children. The use of imported products will face high costs, and because the test target is a consumable, it needs to be frequently maintained, repaired or replaced, and the long cycle of foreign after-sales service and support affects the efficiency of the test work. In summary, there is an urgent need for a child car dummy target to meet the use requirements of car companies and related test and evaluation agencies in intelligent auxiliary driving function evaluation. UTILITY MODEL CONTENT
[0005] The utility model aims at: provide a kind of child car dummy for automobile auxiliary driving system target, solve the problem of the lack of same type target in prior art, and the high cost and long cycle problem needed when replacing or maintaining, increase the coverage of target in real road scene, it is favorable to improve the accuracy of evaluation data obtained by test, provide important support for intelligent auxiliary driving system research and development.
[0006] The technical scheme of the utility model is: a child car dummy for automobile auxiliary driving system target is provided, the child car dummy includes: a child dummy, a toy car and a support base;
[0007] The child dummy is arranged above the toy car, the leg position and the hand position of the child dummy are connected with the surface of the toy car respectively, the support base is arranged below the toy car, and the support base is used to support the overall structure formed by connecting the child dummy and the toy car.
[0008] The child dummy comprises a dummy trunk, a dummy arm, a dummy hip and a dummy leg, the dummy arm is arranged at the shoulder position of both sides of the dummy trunk, the dummy hip is arranged at the lower end of the dummy trunk, and the dummy leg is arranged at both sides of the dummy hip;
[0009] The supporting base comprises a bottom plate, a supporting leg and a connecting assembly, the upper surface of the bottom plate is fixedly connected with the bottom of the toy car through the connecting assembly, and the supporting leg is fixedly arranged on the lower surface of the bottom plate.
[0010] Further, the dummy arm comprises a left arm and a right arm, an arm inner tube is arranged in the left arm and the right arm respectively, and the arm inner tube is located at the end close to the dummy trunk inside the dummy arm, the left arm and the right arm are fixedly arranged at both sides of the shoulder position of the dummy trunk through the elastic rope, and the elastic rope passes through the trunk and is fixedly arranged at the arm inner tube inside the left arm and the right arm respectively.
[0011] Further, a pipe groove is arranged in the dummy hip, and the pipe groove is located at the position for connecting with the dummy leg at both ends of the dummy hip respectively;
[0012] The dummy leg comprises a left leg, a right leg and a leg pipe, the leg pipe is arranged in the pipe groove, and the left leg and the right leg are fixedly arranged at both ends of the leg pipe through the elastic rope, and the elastic rope passes through the leg pipe and is fixedly arranged at the left leg and the right leg respectively.
[0013] Further, a center pipe is arranged in the dummy trunk, the center pipe extends from the head position at one end of the dummy trunk to the position for connecting with the dummy hip at the other end, and the end close to the dummy hip of the center pipe is fixedly connected with the middle position of the leg pipe through the connecting pipe clamp.
[0014] Further, a reinforcing inner plate is arranged in the dummy leg, the reinforcing inner plate extends from the thigh position to the calf position of the dummy leg, and is used for increasing the strength and durability of the overall structure of the dummy leg.
[0015] Further, the child dummy further comprises an outer skin, and the outer skin is wrapped outside the dummy trunk, the dummy arm and the dummy leg respectively.
[0016] Further, the rear wheel shaft is arranged at the rear wheel position of the tail end of the toy car, the steering wheel hook is arranged at the wheel position of the head end of the toy car, the connecting assembly comprises a front connecting piece and a rear connecting piece, the front connecting piece is fixedly arranged at the position close to the head end of the toy car on the upper surface of the bottom plate, the position of the front connecting piece corresponds to the position of the steering wheel hook, and the rear connecting piece is fixedly arranged at the position close to the tail end of the toy car on the upper surface of the bottom plate, and the position of the rear connecting piece corresponds to the position of the rear wheel shaft.
[0017] Further, the front connecting piece is provided with symmetrical lugs with bolt through holes on both sides, and the bolt is fixed on the lug through the bolt through hole, and the steering wheel hook passes through the annular space formed by the lugs on both sides and the bolt and is fixed on the front connecting piece.
[0018] Further, the foot comprises a first foot, a first foot base, a second foot and a second foot base;
[0019] The first foot is fixed on one side of the lower surface of the bottom plate close to the rear connecting piece, and the lower end of the first foot is connected with the first foot base through a bolt; the second foot is fixed on one side of the lower surface of the bottom plate close to the front connecting piece, and the lower end of the second foot is fixedly connected with the second foot base through a bolt.
[0020] The beneficial effects of the utility model are:
[0021] Firstly, the child car dummy for the target object of the automobile auxiliary driving system in the technical scheme of the utility model is composed of a child dummy and a toy car, the size of the child dummy part is designed and developed according to the real low-age child body data, the physical parameters such as the shape, size and color of the child dummy part are similar to those of the real low-age child, the child dummy part can present the same visual features as the real low-age child riding the toy car, and the child dummy part is combined by non-metallic materials such as cloth, pearl wool and plastic, has the same radar reflection property as the real low-age child, and after being combined with the toy car, the overall posture is low, the child car dummy can simulate the child target object of riding the toy car which is low and difficult to be captured by the automobile intelligent driving system and randomly appears on the driving path of the vehicle, solves the problems of the shortage of the same type target object and the high cost and long period of time paid when maintaining and replacing.
[0022] Secondly, in the technical scheme of the utility model, the component parts of the child car dummy for the target object of the automobile auxiliary driving system further comprise a supporting base, the child car dummy target object can be placed on the driving path of the test vehicle, can be used for static scene test in the automobile auxiliary driving system experiment, the child car dummy target object can be installed on the test flat plate, and the child car dummy target object can be driven to move by moving the flat plate, can be used for dynamic scene test in the automobile auxiliary driving system experiment, the technical scheme of the utility model can increase the covered scene of the parking performance evaluation research of the automobile auxiliary driving system, is favorable for improving the accuracy of the evaluation data obtained by the automobile auxiliary driving system, and provides important support for the intelligent auxiliary driving system research and development work.
[0023] Third, the technical scheme in the utility model discloses, on the production material, select high density pearl wool or the production child dummy of foam, the inside of child dummy is provided with plastic skeleton and reinforcing inner plate, and the outside is wrapped with skin, and the structural strength and durable performance of target object are considered, and the material selected is light in weight, convenient to carry, on the connecting mode, mainly adopt the flexible connecting mode of elastic pull rope or magic tape, can separate structure when colliding with the test car in the test, can disperse impact force, guarantee the safety of test vehicle and avoid the damage of target object itself, and the connecting mode is convenient for quick recovery installation, improves test efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0024] The advantages of the above and / or additional aspects of the utility model will become apparent and easy to understand in connection with the description of embodiments in conjunction with the following drawings, in which:
[0025] Figure 1 It is the overall structure schematic diagram of child car dummy for automobile auxiliary driving system target object according to an embodiment of the utility model;
[0026] Figure 2 It is the internal structure schematic diagram of child dummy according to an embodiment of the utility model;
[0027] Figure 3 It is the appearance drawing of toy car according to an embodiment of the utility model;
[0028] Figure 4 It is the side plan view of toy car and support base according to an embodiment of the utility model;
[0029] Figure 5 It is the support base structure schematic diagram according to an embodiment of the utility model.
[0030] Among them, child dummy 1, dummy trunk 11, center tube 111, connecting pipe card 112, dummy arm 12, arm inner tube 121, dummy hip 13, dummy leg 14, leg pipe 141, reinforcing inner plate 142, skin 15, toy car 2, rear wheel axle 21, steering wheel hook 22, support base 3, bottom plate 31, support leg 32, first support leg 321, first support leg base 322, second support leg 323, second support leg base 324, connecting assembly 33, front connecting piece 331, rear connecting piece 332. DETAILED DESCRIPTION
[0031] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the drawings and specific embodiments. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0032] In the following description, many specific details are set forth in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.
[0033] like Figure 1 As shown, this embodiment provides a child car dummy for a target object in an automotive driver assistance system. The child car dummy includes: a child dummy 1, a toy car 2, and a support base 3. The child dummy 1 is positioned above the toy car 2, wherein the legs of the child dummy 1 are connected to the upper surface of the toy car 2, and the hands of the child dummy 1 are connected to the steering wheel of the toy car 2. The support base 3 is positioned below the toy car 2 to provide support for the overall structure formed after the child dummy 1 and the toy car 2 are connected.
[0034] The child dummy 1 includes a dummy torso 11, dummy arms 12, dummy hips 13, and dummy legs 14. The dummy arms 12 are located at the shoulder positions on both sides of the dummy torso 11, the dummy hips 13 are located at the lower end of the dummy torso 11, and the dummy legs 14 are located on both sides of the dummy hips 13.
[0035] The dummy torso 11 is an integral structure including the head and torso body. A central tube 111 is provided inside the dummy torso 11. The central tube 111 extends from the head position at one end of the dummy torso 11 to the position at the other end for connecting the dummy's buttocks 13. The central tube 111 is used to increase the strength and durability of the overall structure of the dummy torso 11, so that the dummy torso 11 is not easy to break in a collision during the test experiment of the intelligent driving system of automobile.
[0036] The dummy arm 12 includes a left arm and a right arm. An inner arm tube 121 is provided inside the left arm and the right arm, and the inner arm tube 121 is located at one end close to the dummy torso 11. The left arm and the right arm are fixed to the two sides of the dummy torso 11 at the shoulder position by elastic ropes. The left arm and the right arm are connected by elastic ropes that pass through the dummy torso 11 and are fixed at both ends to the inner arm tubes 121 inside the left arm and the right arm, respectively.
[0037] In this embodiment, the left and right arms are attached to the dummy's torso 11 by means of elastic ropes that are connected by pulling against each other, so the left and right arms can move and change their position as needed.
[0038] The inside of the dummy's buttocks 13 is provided with a tube that runs horizontally through its body (i.e. through the dummy's buttocks 13). The two ends of the tube are located at the positions of the dummy's buttocks 13 for connecting with the dummy's legs 14. The tube is used to connect the dummy's buttocks 13 and the dummy's legs 14.
[0039] The mannequin leg part 14 comprises a left leg, a right leg and a leg pipe 141, the leg pipe 141 is installed in a pipe groove inside the mannequin hip part 13, and there is a movement allowance between the leg pipe 141 and the pipe groove, the leg pipe 141 can move in the pipe groove, and the left leg and the right leg are fixed at both ends of the leg pipe 141 by pulling the elastic rope, wherein the elastic rope passes through the leg pipe 141 and the elastic rope is fixed at both ends of the left leg and the right leg respectively; the center pipe 111 is fixedly connected with the middle position of the leg pipe 141 through the connecting pipe clamp 112 close to one end of the mannequin hip part 13.
[0040] In this embodiment, since the leg pipe 141 can move in the pipe groove, and the left leg and the right leg are connected with the leg pipe 141 by the elastic rope, the left leg and the right leg can adapt to the seat width of the toy car after the elastic rope is pulled tight, and can be close to the side of the car body.
[0041] The mannequin leg part 14 is provided with a reinforced inner plate 142 inside, the reinforced inner plate 142 extends from the thigh position to the calf position of the mannequin leg part 14, and is used to increase the strength and durability of the overall structure of the mannequin leg part 14, so that the mannequin leg part 14 is not easy to be broken by collision in the test experiment of the intelligent driving system of the automobile.
[0042] The child mannequin 1 further comprises an outer skin 15, which is wrapped outside the mannequin torso 11, the mannequin arm 12 and the mannequin leg part 14, and is used to protect the structure made of pearl wool or foam material inside, so as to avoid the problems of wear, deformation and fracture of the structure inside.
[0043] The mannequin torso 11, the mannequin arm 12 and the mannequin leg part 14 are all carved and formed by high-density pearl wool or foam, and the shapes of the mannequin torso 11, the mannequin arm 12 and the mannequin leg part 14 are all set based on the human characteristics of two-year-old children, and the shapes are consistent with the shape of the real human body, wherein the head position of the mannequin torso 11 is designed and constructed based on the head and face characteristics of the real human body, and has the true human head and face characteristics which can be recognized by the test equipment such as visual sensor.
[0044] The mannequin hip part 13 is made of blue EVA (Ethylene Vinyl Acetate Copolymer) material, which has high hardness and strength, and after the mannequin leg part 14 and the mannequin hip part 13 are pulled tight by two elastic ropes, the shape of the mannequin leg part 14 can be maintained, so that it is not easy to change position due to shaking in the use process, and the appearance of the material is delicate and smooth, and does not need to be wrapped with an outer skin.
[0045] The reinforcing inner plate 142 is made of strong leather material and is arranged in the pearl cotton of the dummy leg 14, which can effectively improve the structural strength of the weak position (such as the knee position) of the dummy leg 14, and avoid the material fracture of the dummy leg 14 after the collision in the test process.
[0046] The outer skin 15 is sewn by multiple layers of cloth, has similar infrared properties to the real human body, has strong wear resistance and tear resistance, and the outer skin 15 sewn by multiple layers of cloth can be recognized by the radar detection equipment (such as millimeter wave radar, laser radar, etc.) in the intelligent driving system of the automobile. Among them, the cloth color is selected to be the same as the color of the real human skin and the color of the common clothes, which meets the relevant requirements of the domestic and foreign NCAP (New Car Assessment Program) new car test specification.
[0047] In the embodiment, the dummy arm 12 is flexibly connected with the dummy trunk 11 through the elastic rope, and the dummy leg 14 is flexibly connected with the dummy hip 13 through the elastic rope. The flexible connection of the elastic rope facilitates the processing and assembly of each component of the child dummy 1, and the flexible connection has a certain activity, which can avoid damage caused by impact in the test compared with the rigid connection.
[0048] The center tube 111, the arm inner tube 121 and the leg tube 141 are the skeleton structures inside the child dummy 1, which are used to strengthen the strength and durability of the overall structure. The center tube 111, the arm inner tube 121 and the leg tube 141 are all made of plastic pipe materials, such as polyethylene pipe materials. According to the actual needs, standard specification pipe materials are cut and assembled, which reduces the production cost, and the standard specification pipe materials are convenient to replace, further reducing the cost in use.
[0049] In the embodiment, the multiple layers of cloth covering the surface of the child dummy 1 can ensure that the surface has the same millimeter wave radar RCS value (Radar Cross Section) and laser radar reflection property within the 360-degree angle range. At the same time, the physical parameters such as the shape, size and color of the child dummy 1 are the same as those of the real person, which can present the same visual features as the real child, and the main materials for the composition are foams, plastics and other non-metallic materials, which are light in weight, convenient to carry, low in manufacturing cost and easy to cut.
[0050] The rear wheel shaft 21 is arranged at the position of the rear wheel of the tail end of the toy car 2, and the steering wheel hook 22 is arranged at the position of the wheel of the head end of the toy car 2. The rear wheel shaft 21 is connected with the rear wheel of the tail end of the toy car 2 and is used for the rotation process of the rear wheel of the tail end. The steering wheel hook 22 is connected with the steering wheel of the toy car 2 and is used for fixing the steering wheel or ensuring that the steering wheel is located at a specific position (the position of the head end of the toy car 2).
[0051] In this embodiment, the toy car 2 can be directly selected from the hot-selling toy car products on the market, and the selection conditions are: 1) the toy car four wheels and steering wheel have rotating effect; 2) the car type is common and representative; using real toy car products for automobile intelligent driving system test experiment in this embodiment can obtain better simulation effect, and can greatly reduce the production cost and cycle of the target car body part.
[0052] The positions of the mannequin arm 12 and the mannequin leg 14 in contact with the toy car 2 are provided with magic tape, and the mannequin arm 12 and the mannequin leg 14 are connected to the upper surface of the toy car 2 through the magic tape respectively.
[0053] The support base 3 includes a bottom plate 31, a support leg 32, and a connecting assembly 33. The upper surface of the bottom plate 31 is fixedly connected to the bottom of the toy car 2 through the connecting assembly 33, and the support leg 32 is fixed to the lower surface of the bottom plate 31 through magic tape.
[0054] The connecting assembly 33 includes a front connecting piece 331 and a rear connecting piece 332. The front connecting piece 331 is fixed to the position near the head end of the toy car 2 on the upper surface of the bottom plate 31 through a bolt, and the front connecting piece 331 is connected to the steering hook 22 through a latch. Specifically, the front connecting piece 331 is a U-shaped structure with symmetric lugs on both sides, and a latch through hole is arranged on each of the lugs. When fixing the steering hook 22, the steering hook 22 is arranged in the middle of the lugs on both sides of the front connecting piece 331, and the latch is inserted through the latch through holes on the lugs on both sides, so that the steering hook 22 is connected to the front connecting piece 331 through the latch and the annular space formed by the lugs on both sides.
[0055] The rear connecting piece 332 is fixed to the position near the tail end of the toy car 2 on the upper surface of the bottom plate 31 through a bolt, and the rear connecting piece 332 is fixedly connected to the rear wheel axle 21. Specifically, an arc-shaped clamping groove matched with the shape of the rear wheel axle 21 is arranged on the rear connecting piece 332, and the rear connecting piece 332 is clamped and fixed to the rear wheel axle 21 through the arc-shaped clamping groove.
[0056] The support leg 32 includes a first support leg 321, a first support leg base 322, a second support leg 323, and a second support leg base 324. The first support leg 321 is fixed to one side of the lower surface of the bottom plate 31 near the rear connecting piece 332 through magic tape, and the lower end of the first support leg 321 is fixedly connected to the first support leg base 322 through a bolt. The second support leg 323 is fixed to one side of the lower surface of the bottom plate 31 near the front connecting piece 331 through magic tape, and the lower end of the second support leg 323 is fixedly connected to the second support leg base 324 through a bolt.
[0057] In this embodiment, the first leg 321, the first leg base 322, the second leg 323 and the second leg base 324 are all made of stainless steel, which has good mechanical strength and durability, can withstand large pressure and impact, and has long service life.
[0058] In this embodiment, the support base 3 can be separately made into an overall structure composed of the child dummy 1 and the toy car 2 in the application scenario of the automobile intelligent driving system test experiment, and is suitable for static scene test in the automobile intelligent driving system test experiment. It can also be magnetically connected with the magnet equipped on the test plate (i.e. a kind of plate used for automobile intelligent driving system test experiment) by the stainless steel material characteristics of the leg 32, and the child car dummy target object is moved forward and backward by the test plate with the child car dummy target object, which is suitable for dynamic scene test in the automobile intelligent driving system test experiment.
[0059] The child car dummy for the automobile auxiliary intelligent driving system target object in this embodiment is used as the test target object to test the automobile intelligent driving system, and the specific process is as follows:
[0060] First, the child car dummy target object is assembled. Specifically, the toy car 2 is fixed on the upper surface of the support base 3 through the connecting assembly 33 fixed in the support base 3. The tail end of the support base 3 is fixed by the rear connecting piece 332 and the rear wheel shaft 21, and the head end of the support base 3 is fixed by the front connecting piece 331 and the steering wheel hook 22. The dummy leg 14 in the child dummy 1 is fixed on the upper surface of the toy car 2 by magic tape, and the hand of the dummy arm 12 is fixed on the steering wheel of the toy car 2 by magic tape, so that the child dummy 1, the toy car 2 and the support base 3 are connected to form an overall structure.
[0061] When used for static scene test in the automobile intelligent driving system test experiment, the assembled child car dummy target object is placed on the driving path of the test vehicle, the test vehicle is controlled to drive to the child car dummy according to the test requirements, the interactive scene is simulated, and it is verified whether the automobile intelligent driving system can identify the child car dummy target object on the path and take safety measures such as alarm and intervention emergency braking.
[0062] In the dynamic scene test in the test experiment of the intelligent driving system of the automobile, the assembled child car dummy target is installed on the test plate, the first supporting leg base 322 and the second supporting leg base 324 in the supporting base 3 are respectively connected with the magnet provided on the test plate through magnetic attraction, the test plate is placed on the driving path of the test vehicle, the test plate is moved back and forth through the belt traction or the motor driving mode, the child car dummy target moves back and forth, the scene that the children riding the toy car play on the driving path of the vehicle is simulated, the test vehicle is controlled to drive to the child car dummy according to the test requirement, the interactive scene is simulated, and whether the intelligent driving system of the automobile can recognize the child car dummy target on the path and take the safety measures of alarm and intervention emergency braking is verified.
[0063] In the utility model, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, "connecting" can be fixed connection, can also be detachable connection, or integrally connected; "connection" can be direct connection, or indirect connection through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0064] The shape of each component in the drawings is schematic, and there can be some difference with the real shape, the drawings are only used to explain the principle of the utility model, and are not intended to limit the utility model.
[0065] Although the utility model is disclosed in detail with reference to the drawings, it should be understood that these descriptions are only exemplary, and are not used to limit the application of the utility model. The protection scope of the utility model is defined by the additional claims, and can include various modifications, modifications and equivalent schemes made to the utility model without departing from the protection scope and spirit of the utility model.
Claims
1. A child car dummy for use as a target object in an automotive driver assistance system, characterized in that, The children's car dummy includes: a children's dummy (1), a toy car (2), and a support base (3); The child dummy (1) is positioned above the toy car (2), with its legs and hands connected to the surface of the toy car (2) respectively. The support base (3) is positioned below the toy car (2) to provide support for the overall structure formed after the child dummy (1) and the toy car (2) are connected. The child dummy (1) includes a dummy torso (11), dummy arms (12), dummy buttocks (13) and dummy legs (14). The dummy arms (12) are located at the shoulder positions on both sides of the dummy torso (11), the dummy buttocks (13) are located at the lower end of the dummy torso (11), and the dummy legs (14) are located on both sides of the dummy buttocks (13). The support base (3) includes a base plate (31), a support leg (32), and a connecting component (33). The upper surface of the base plate (31) is fixedly connected to the bottom of the toy car (2) through the connecting component (33), and the support leg (32) is fixed to the lower surface of the base plate (31).
2. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The dummy arm (12) includes a left arm and a right arm. An inner arm tube (121) is provided inside the left arm and the right arm respectively. The inner arm tube (121) is located inside the dummy arm (12) near the end of the dummy torso (11). The left arm and the right arm are fixed to the two sides of the shoulder position of the dummy torso (11) by elastic ropes. The elastic ropes pass through the dummy torso (11) and the two ends of the elastic ropes are fixed to the inner arm tubes (121) inside the left arm and the right arm respectively.
3. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The inside of the dummy's buttock (13) is provided with a tube groove, and the two ends of the tube groove are respectively located at the position of the dummy's buttock (13) for connecting with the dummy's legs (14); The dummy leg (14) includes a left leg, a right leg, and a leg tube (141). The leg tube (141) is installed in the tube groove. The left leg and the right leg are fixed to the two ends of the leg tube (141) by elastic ropes. The elastic ropes pass through the leg tube (141) and the two ends of the elastic ropes are fixed to the left leg and the right leg, respectively.
4. The child car dummy for a target object in an automotive driver assistance system as described in claim 3, characterized in that, The dummy torso (11) is provided with a central tube (111) inside. The central tube (111) extends from the head position at one end of the dummy torso (11) to the other end for connecting to the dummy buttocks (13). The end of the central tube (111) near the dummy buttocks (13) is fixedly connected to the middle position of the leg tube (141) by a connecting tube clamp.
5. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The dummy leg (14) is provided with a reinforcing inner plate (142), which extends from the thigh to the calf of the dummy leg (14) to increase the strength and durability of the overall structure of the dummy leg (14).
6. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The child dummy (1) also includes an outer skin (15) which is wrapped around the outside of the dummy torso (11), the dummy arms (12) and the dummy legs (14).
7. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The toy car (2) has a rear wheel axle (21) at the rear wheel position and a steering wheel hook (22) at the front wheel position. The connecting assembly (33) includes a front connector (331) and a rear connector (332). The front connector (331) is fixed on the upper surface of the base plate (31) near the front end of the toy car (2), and the position of the front connector (331) corresponds to the position of the steering wheel hook (22). The rear connector (332) is fixed on the upper surface of the base plate (31) near the rear end of the toy car (2), and the position of the rear connector (332) corresponds to the position of the rear wheel axle (21).
8. The child car dummy for a target object in an automotive driver assistance system as described in claim 7, characterized in that, The front connector (331) has symmetrical lugs with pin holes on both sides. The pin passes through the pin holes and is fixed on the lugs. The steering wheel hook (22) passes through the annular space formed by the lugs and the pin and is fixed on the front connector (331). The rear connector (332) has an arc-shaped groove that matches the shape of the rear wheel axle (21). The rear connector (332) is engaged and fixed with the rear wheel axle (21) through the arc-shaped groove.
9. The child car dummy for a target object in an automotive driver assistance system as described in claim 1, characterized in that, The support leg (32) includes a first support leg (321), a first support leg base (322), a second support leg (323), and a second support leg base (324); The first support leg (321) is fixed on the lower surface of the base plate (31) near the rear connector (332). The lower end of the first support leg (321) is connected to the first support leg base (322) by bolts. The second support leg (323) is fixed on the lower surface of the base plate (31) near the front connector (331). The lower end of the second support leg (323) is fixedly connected to the second support leg base (324) by bolts.