Squatting child dummy for automobile parking auxiliary system target object

Abstract

The utility model discloses a squatting posture child dummy for an automobile parking auxiliary system target object, and relates to the technical field of automobile intelligent auxiliary driving system evaluation, the squatting posture child dummy can be independently supported and is used for building traffic test scenes such as parking, the squatting posture child dummy comprises a head, a trunk, an outer skin, arms and legs, the head and the trunk are of an integral structure, and the outer skin is arranged on the outer skin. The skeleton is arranged in the whole structure, the arms are connected to the two sides of the trunk, the legs are fixed to the lower portion of the trunk, the skeleton is arranged in the legs, the outer skins are arranged outside the head, the trunk, the arms and the legs respectively, and the outer skins are made of composite coating fabric and used for being recognized by detection equipment in the automobile parking auxiliary system. Other parts are made of high-density foam or pearl wool, and the internal framework is made of plastic, so that the structural strength and the durability are both considered; according to the technical scheme, the detection requirement of the vehicle-mounted detection equipment can be met, the target object which is low and not prone to being detected in practice is simulated, and the coverage scene of parking performance evaluation research is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile intelligent auxiliary driving system evaluation, in particular to a squatting child dummy used as a target object of an automobile parking auxiliary system. Background Art

[0002] Because children are short, active, and lack safety awareness, they often squat suddenly to pick up objects, play, or observe vehicles, and these behaviors may put them in the driver's blind spot, which may cause danger when the driver cannot observe them. Therefore, cases of children being injured or even killed by moving vehicles are frequently reported in daily life. In particular, the squatting posture of children makes their bodies lower and more easily blocked by the vehicle itself and placed in the blind spot. When parking, if the driver does not carefully observe these blind spots, or if the vehicle's reversing radar and other intelligent devices fail to accurately identify the presence of children, it will lead to danger.

[0003] With the rapid development of smart car technology, parking assistance functions have become standard features of many models. However, in actual applications, these assistance systems may pose safety hazards when facing low, difficult-to-detect targets (such as squatting children). In order to better protect the safety of children in parking lots and other environments, it is necessary to introduce squatting children as targets for research in the evaluation and improvement of the detection and response capabilities of smart cars to simulate real-life scenarios. Increasing research on such targets can make the coverage of scenarios more comprehensive and the parking assistance function of cars more complete.

[0004] At present, the detection function of automobiles mainly relies on detection equipment such as cameras and millimeter-wave radars for identification. In the process of evaluating the parking assistance function of automobiles, if real children are used for testing, the safety of children cannot be guaranteed. The body posture of the dummies in the existing technology is high, or it cannot accurately simulate the squatting posture of children, so it is impossible to obtain accurate data when evaluating the parking assistance function of automobiles. Therefore, there is an urgent need for a dummy target that simulates the squatting posture of children to meet the needs of automobile companies and related testing and evaluation institutions in the evaluation of parking assistance functions. Utility Model Content

[0005] The purpose of the utility model is to provide a squatting child dummy target for evaluating the parking assistance function of an automobile in response to the deficiencies in the prior art, to solve the problem that the use of real child tests in the process of automobile parking performance evaluation cannot ensure the personal safety of children, and that the existing dummies cannot accurately simulate the squatting posture of children due to their high body posture, to increase the coverage scenarios of parking performance evaluation research, and to increase the accuracy of subsequent evaluation data.

[0006] The technical solution of the utility model is: to provide a squatting child dummy used as a target object of a car parking assistance system, the squatting child dummy comprising: a head, a trunk, an outer skin, arms and legs;

[0007] The head and torso are an integral structure with a skeleton inside the integral structure, the arms are connected to both sides of the torso, the legs are fixed under the torso with a skeleton inside the legs, and outer skins are respectively provided on the outside of the head, torso, arms and legs, which are used to be identified by detection equipment in the car's parking assistance system.

[0008] Furthermore, a first internal skeleton is arranged inside the integral structure formed by the head and the trunk, and one end of the first internal skeleton is located inside the head, and the other end is located inside the trunk.

[0009] Furthermore, the arms include a left arm and a right arm, and the left arm and the right arm are symmetrically arranged at the positions of shoulders on both sides of the trunk, and the left arm and the right arm are connected by pulling through the trunk via an elastic rope.

[0010] Furthermore, a second internal skeleton is arranged inside the leg, one end of the second internal skeleton is located at the position of the dummy's foot, and the other end extends to the position of the dummy's waist.

[0011] Furthermore, the outer skin is made of a composite coating fabric, wherein the color of the composite coating fabric adopts the color of real human skin and clothes, and the radar reflection property of the composite coating fabric is the same as that of a real person.

[0012] Furthermore, the head, torso, arms and legs are made of high-density foam or pearl cotton.

[0013] Furthermore, the first inner frame and the second inner frame are made of plastic pipes and are used to support the squatting child dummy.

[0014] The beneficial effects of the utility model are:

[0015] First, the body posture and size of the squatting child dummy in the technical solution of the utility model are designed and developed according to the actual measured average body length data of children and the reference size data of children's body. The settings of the physical parameters such as the appearance, size, color, etc. of the squatting child dummy are the same as those of a real child, and can present the same visual characteristics as a real child. The squatting child dummy is made of a combination of non-metallic materials, wherein the outer skin is made of a composite coated fabric, which can ensure that its outer surface has the same radar reflection properties as a real child within a range of 360°; the squatting child dummy in the technical solution of the utility model has the same visual characteristics as a real child under the on-board visual sensor, and has the same radar reflection characteristics as a real child under the on-board radar detector, and can be better used for the test and evaluation of the automobile parking assistance system. At the same time, the overall structure has no sharp parts such as metal, thereby avoiding the risk of damage to the test vehicle and injury to personnel.

[0016] The technical solution of the utility model can simulate actual low and difficult-to-detect target objects, such as a squatting child, thereby solving the problem that existing dummies cannot accurately simulate the squatting posture of a child due to their high body posture, increasing the coverage scenarios of parking performance evaluation research, and further increasing the accuracy of subsequent evaluation data.

[0017] Second, in the preferred implementation of the utility model, the head, torso, arms and legs of the squatting child dummy are made of high-density foam or pearl cotton, and a skeleton is also provided inside, which takes into account the structural strength and durability of the dummy, and the selected manufacturing materials are light in weight, easy to carry and simple to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The advantages of the above and / or additional aspects of the present invention will become apparent and easily understood in the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 It is a front structural schematic diagram of a squatting child dummy according to an embodiment of the utility model;

[0020] Figure 2 It is a side structural schematic diagram of a squatting child dummy according to an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the internal skeleton structure of a squatting child dummy according to an embodiment of the utility model;

[0022] Among them, 1-head, 2-torso, 3-integument, 4-arms, 5-legs, 6-first internal skeleton, 7-second internal skeleton. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying 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.

[0024] In the following description, many specific details are elaborated to facilitate 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 protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0025] like Figures 1 to 3As shown, this embodiment provides a squatting child dummy for a target object of a car parking assistance system, the squatting child dummy includes: a head 1, a torso 2, a skin 3, arms 4 and legs 5, the head 1 and the torso 2 are designed as an integral whole, the arms 4 are connected to both sides of the torso 2, the legs 5 are fixed under the torso 2, and the outer skin 3 is arranged on the outside of the head 1, the torso 2, the arms 4 and the legs 5.

[0026] The head 1 and the trunk 2 are an integral structure, which is carved from a whole piece of material. The integral structure formed by the head 1 and the trunk 2 adopts a center-face-to-face split structure, which facilitates the processing of the material. In this embodiment, the integral material formed by the head 1 and the trunk 2 can be made of high-density foam or pearl cotton.

[0027] A first internal skeleton 6 is disposed inside the integral structure formed by the head 1 and the trunk 2. One end of the first internal skeleton 6 is disposed inside the head 1, and the other end is disposed inside the trunk 2. The first internal skeleton 6 can be made of a plastic pipe, such as a polyethylene pipe. In this embodiment, the first internal skeleton 6 is disposed in the head 1 and the trunk 2 to support the squatting child dummy and prevent the head 1 and the trunk 2 from being broken by stress.

[0028] The arm 4 includes a left arm and a right arm. The left and right arms are symmetrically arranged at the shoulders on both sides of the torso 2, and the left arm and the right arm are connected by an elastic rope. The elastic rope passes through the torso 2 to connect the left and right arms together, forming an integral structure with the torso 2.

[0029] The leg 5 is arranged below the whole formed by the head 1 and the trunk 2, and also adopts a center-face split structure, which is convenient for processing the manufacturing material; the shape design of the leg 5 is based on the actual posture of the buttocks and legs of a child after squatting. In this embodiment, the manufacturing material of the leg 5 can be selected from high-density foam or pearl cotton.

[0030] A second inner frame 7 is disposed inside the leg 5. The second inner frame 7 is disposed vertically, one end of which is disposed at the position of the dummy's foot and extends upward from the position of the foot to the position of the dummy's waist. The second inner frame 7 can be made of a plastic pipe, such as a polyethylene pipe. In this embodiment, the second inner frame 7 is disposed in the leg 5 to support the squatting child dummy and prevent the leg 5 from being broken by stress.

[0031] The outside of the head 1, torso 2, arms 4 and legs 5 are all provided with outer skin 3, and the outer skin 3 is made of a composite coated fabric, such as a multi-layer fabric sewn together. The composite coated fabric has strong wear resistance and tear resistance, and its color 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 composite coated fabric is selected to be the same as the color of real human skin and common clothes, and conforms to the relevant requirements of domestic and foreign NCAP new car test specifications. The outer skin 3 made of the composite coated fabric can be recognized by radar detection equipment (such as millimeter wave radar, lidar, etc.) in the parking assistance system.

[0032] The torso 2 and the legs 5 are connected by Velcro on their respective outer skins 3. In this embodiment, the whole formed by the head 1, torso 2, arms 4 and legs 5 can be independently supported and is suitable for the construction of traffic test scenarios such as parking.

[0033] In this embodiment, the shape design of the head 1, trunk 2, arms 4 and legs 5 are all based on the human body characteristics of children aged 3-6 years old. Such a design can ensure that the size, shape and other aspects can truly reflect the shape of the child in the squatting state. The first inner skeleton 6 and the second inner skeleton 7 are both made of plastic pipes. The plastic pipes are used as the inner skeleton and are pre-buried in the whole of the head 1 and the trunk 2 and the manufacturing material of the legs 5, which can support the squatting child dummy as a whole and prevent it from being broken by force. Except for the first inner skeleton 6, the second inner skeleton 7 and the outer skin 3, the other structures in the squatting child dummy are all made of high-density foam or pearl cotton, and are carved according to the appearance of a real squatting child. In addition, the dummy does not contain sharp parts such as metal, thereby avoiding the risk of damage to the test vehicle and injury to personnel.

[0034] In this embodiment, the selection of manufacturing materials and the design of the structure take into account both structural strength and durability, and the selected manufacturing materials are light in weight, easy to carry and simple to install.

[0035] The head 1 can be recognized by a visual system (such as a visual sensor, etc.) in the parking assistance system, and its shape design is based on the head and facial features of a child, ensuring that the head 1 can accurately simulate the real head features of a child and be recognized by the visual sensor.

[0036] When the squatting child dummy in this embodiment is used to test and evaluate the automobile parking assistance system, the squatting child dummy is placed on the parking path of the test vehicle, and then the car engine is started, the reverse gear is engaged, and the reverse operation is started to verify the detection function of the automobile parking assistance system, observe whether the system can identify the squatting child on the path, and take safety measures such as alarm and emergency braking intervention.

[0037] In the present invention, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "connect" can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The shapes of the various components in the drawings are schematic, and certain differences from their actual shapes are not excluded. The drawings are only used to illustrate the principles of the present invention and are not intended to limit the present invention.

[0039] Although the utility model is 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 utility model. The protection scope of the utility model is defined by the appended claims and may include various modifications, alterations and equivalents made to the utility model without departing from the protection scope and spirit of the utility model.

Claims

1. A squatting child dummy used as a target object for a parking assistance system for an automobile, characterized in that: The squatting child dummy used as a target object of a parking assistance system for an automobile comprises: a head (1), a trunk (2), an outer skin (3), arms (4) and legs (5); The head (1) and the trunk (2) are an integral structure, a skeleton is arranged inside the integral structure, the arms (4) are connected to both sides of the trunk (2), the legs (5) are fixed below the trunk (2), a skeleton is arranged inside the legs (5), and the outer skin (3) is arranged outside the head (1), the trunk (2), the arms (4) and the legs (5), respectively, and the outer skin (3) is used to be identified by a detection device in a parking assistance system of an automobile.

2. The squatting child dummy for a target object of a parking assistance system for an automobile according to claim 1, characterized in that: A first internal skeleton (6) is arranged inside the integral structure formed by the head (1) and the trunk (2); one end of the first internal skeleton (6) is located inside the head (1) and the other end is located inside the trunk (2).

3. The squatting child dummy for a target object of a parking assistance system for an automobile according to claim 1, characterized in that: The arms (4) include a left arm and a right arm, and the left arm and the right arm are symmetrically arranged at the positions of shoulders on both sides of the trunk (2), and the left arm and the right arm are connected by pulling through an elastic rope passing through the trunk (2).

4. The squatting child dummy for a target object of a parking assistance system for an automobile as claimed in claim 2, characterized in that: A second inner frame (7) is arranged inside the leg part (5); one end of the second inner frame (7) is located at the position of the dummy's foot, and the other end extends to the position of the dummy's waist.

5. The squatting child dummy for a target object of a parking assistance system for an automobile as claimed in claim 1, characterized in that: The outer skin (3) is made of a composite coating fabric, wherein the color of the composite coating fabric adopts the color of real human skin and clothes, and the radar reflection property of the composite coating fabric is the same as that of a real person.

6. The squatting child dummy for a target object of a parking assistance system for an automobile as claimed in claim 1, characterized in that: The head (1), the trunk (2), the arms (4) and the legs (5) are made of high-density foam or pearl cotton.

7. The squatting child dummy for a target of a parking assistance system for an automobile as claimed in claim 4, characterized in that: The first inner frame (6) and the second inner frame (7) are made of plastic pipes and are used to support a squatting child dummy.

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