AEB soft heating dummy target object

Abstract

The utility model discloses an AEB soft heating dummy target object, and relates to the technical field of intelligent driving auxiliary system testing, the AEB soft heating dummy target object comprises a dummy body, a heating device, a leg swinging driving device and a stable supporting device, the dummy body sequentially comprises a main body filler, a middle layer, an external wrapping object and a coating from inside to outside, the heating device is arranged between the middle layer and the outer wrapping object and used for heating all parts of the dummy body and simulating the temperature of a real human body, the lower half portion of the dummy body comprises a hip and lower limbs, the hip is arranged on the outer side of the leg swinging driving device in a sleeving mode, the lower limbs are fixed to the two sides of the leg swinging driving device, and the leg swinging driving device is used for driving the lower limbs to swing. The stable supporting device is arranged on the front side of the dummy body and used for supporting the dummy to stand upright and keeping the dummy stable. According to the technical scheme, the problems that an existing dummy device lacks a body temperature simulation function and cannot synchronously meet radar, infrared and visible light detection conditions can be solved, a real person can be better simulated, and the test accuracy is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of testing intelligent driving assistance systems (ADAS), and more specifically, to an AEB soft heating dummy target. Background Technology

[0002] With the accelerating pace of automotive intelligence, Automatic Emergency Braking (AEB) systems have become one of the core technologies for active vehicle safety. Using multimodal sensing devices such as millimeter-wave radar, cameras, and infrared sensors, AEB systems identify pedestrians on the road in real time and automatically trigger braking when a collision risk occurs, significantly reducing the accident rate. According to statistics from authoritative international organizations, AEB systems can reduce traffic accidents by 27%, with particularly significant pedestrian protection effects at night, in low light, or under complex weather conditions.

[0003] To verify the reliability of AEB systems, major global automotive safety evaluation systems (such as E-NCAP and C-NCAP) require the use of soft dummies instead of real people in pedestrian crossing tests. These dummies must meet stringent simulation requirements: the materials must possess specific radar and infrared reflectivity, their dynamic behavior must replicate the gait of a real pedestrian, and they must be able to adapt to multi-sensor collaborative verification in complex environments. However, current domestic and international testing dummies still face several technical bottlenecks, severely restricting the verification accuracy of ADAS systems and the industry's development.

[0004] The core flaw in existing crash test dummies lies in their lack of body temperature simulation capabilities. The surface temperature of a real human body is approximately 36-37°C, and its infrared radiation wavelength ranges from 8-14μm. Vehicle-mounted infrared sensors (such as night vision systems) rely on this wavelength for target identification. Current crash test dummies can only simulate radar and visible light reflection characteristics. In low-temperature environments or nighttime scenarios, the lack of heat generation in these dummies will cause infrared sensors to malfunction. For example, cold-weather testing data from a certain automaker showed that the AEB system's recognition rate for non-heat-generating dummies decreased by 30% compared to real humans, exposing a serious safety verification vulnerability. This deficiency directly leads to a disconnect between test results and actual road performance, making it impossible to fully verify the system's reliability in extreme environments.

[0005] Furthermore, China's intelligent driving industry is facing the challenge of regulatory upgrades. For example, the C-NCAP 2024 regulations propose to add a "multi-sensor collaborative verification" requirement, explicitly stating that test dummies must simultaneously meet the composite detection conditions of radar, infrared, and visible light. Existing non-heat-generating dummies can no longer meet this technological trend, making the development of domestically produced heat-generating dummies a key breakthrough in overcoming industry bottlenecks.

[0006] Currently, the demand for high-precision testing tools is increasingly urgent, but the ADAS testing ecosystem still faces the dilemma of "no standards to follow" and "no usable equipment." Therefore, it is necessary to develop a heat-generating dummy to fill the technological gap and improve the realism of testing scenarios. Utility Model Content

[0007] The purpose of this invention is to address the problems of existing mannequins lacking body temperature simulation capabilities, high costs, and inability to simultaneously meet the composite detection requirements of radar, infrared, and visible light. This invention provides an AEB soft-body heating mannequin target object. It utilizes low-cost materials to manufacture the mannequin core, reducing manufacturing and maintenance costs. Heating devices are modularly installed within the mannequin to bring the temperature of various parts of the mannequin up to that of a real human body. A radar-absorbing material is used in the middle layer of the mannequin to make its radar reflection characteristics approximate those of a real human body. Finally, a coating is applied to the exterior of the mannequin to make its infrared reflection characteristics consistent with those of a real human.

[0008] The technical solution of this utility model is: to provide an AEB soft heating dummy target object, which includes: a dummy body, a dummy heating device, a leg swing drive device and a stabilizing support device;

[0009] The dummy's body, from the inside out, consists of the dummy's main body filler, the dummy's middle layer, the outer wrapping material, and the outer coating.

[0010] The dummy's heating device is located between the middle layer of the dummy and the outer covering, and is used to heat various parts of the dummy's body to simulate the temperature of a real human body.

[0011] The dummy's body is divided into the dummy torso, dummy upper limbs, dummy hips, and dummy lower limbs. The dummy upper limbs are located on the shoulders on both sides of the dummy torso, and the lower end of the dummy torso is connected to the dummy hips.

[0012] The dummy's hip is fitted on the outside of the leg swing drive device. The left and right ends of the leg swing drive device extend outside the dummy's hip. The dummy's lower limbs are fixed to the left and right ends of the leg swing drive device. The leg swing drive device is used to drive the dummy's lower limbs to swing.

[0013] The stabilizing support device is located on the front side of the dummy's body. Its upper end is connected to the dummy's neck, its middle part is fixedly connected to the leg swing drive device, and its lower end is fixedly connected to the base plate under the dummy. The stabilizing support device is used to support the dummy to stand upright and maintain its stability during the dummy's movement.

[0014] The dummy's heating device includes a torso heating device, an upper limb heating device, and a lower limb heating device, which are respectively located inside the dummy's torso, upper limbs, and lower limbs.

[0015] Furthermore, the dummy's torso consists of a torso filling layer, a torso middle layer, and a torso outer wrapping layer from the inside out. The torso heating device is located between the torso middle layer and the torso outer wrapping layer. The torso middle layer, the torso heating device, and the torso outer wrapping layer are all arranged sequentially from the inside out in a wrapping manner.

[0016] Furthermore, the leg swing drive device includes a leg swing drive motor, a drive motor frame, and leg magnet blocks. There are two leg drive motors, which are symmetrically arranged on the left and right sides inside the drive motor frame. The leg magnet blocks are respectively arranged on the left and right sides outside the drive motor frame. The shafts of the two leg drive motors pass through the drive motor frame and are fixedly connected to the external leg magnet blocks.

[0017] Furthermore, the upper part of the dummy's lower limbs is also equipped with leg rods, and the leg magnets are connected to the leg rods by magnetic attraction.

[0018] Furthermore, the dummy's hip includes an anterior hip assembly and a posterior hip assembly, which are fixedly connected and have a longitudinal through-hole between them.

[0019] Furthermore, the stabilizing support device includes a central tube, the lower end of which is fixedly connected to the base plate below the dummy, and the upper end is set in a longitudinal through hole and fixedly connected to the drive motor frame by a pipe clamp.

[0020] Furthermore, a power connector mounting base is provided on the lower outer wall of the central tube, and the connector of the external power supply is installed on the power connector mounting base. The internal space of the central tube is used to arrange the wires of the leg swing drive motor and the dummy heating device. A wire through hole is provided at the position on the central tube where it connects to the power connector mounting base, and the wires inside the central tube pass through the wire through hole to connect to the external power connector.

[0021] Furthermore, the stabilizing support device also includes a central rod, a dummy's neck Velcro strap, a binding rope, an elastic rope, and a small magnet;

[0022] The central rod is set at an angle on the front side of the dummy's body. Its upper end is fixedly connected to the neck of the dummy's body via Velcro on the dummy's neck, and its lower end is fixedly connected to the base plate under the dummy.

[0023] There are two small magnets, which are symmetrically arranged on the left and right sides of the central rod and magnetically connected to the base plate. The two ends of the binding rope are connected to the two small magnets respectively, and the middle of the binding rope is tied to the Velcro on the neck of the dummy. The elastic rope is arranged horizontally below the central rod, with its two ends connected to the binding ropes on both sides respectively, and its middle is tied to the central rod. The elastic rope is used to tighten the binding rope.

[0024] Furthermore, the dummy's heating device is made of heating material, which consists of waterproof fabric, heating element, and polyester insulation cotton. The heating element is located in the center, and is wrapped with polyester insulation cotton and waterproof fabric in sequence. The torso heating device, upper limb heating device, and lower limb heating device have the same composition structure.

[0025] Furthermore, the target object of the heated dummy also includes a temperature controller, which contains multiple temperature control units. The heating elements in the torso heating device, upper limb heating device and lower limb heating device are electrically connected to the corresponding number of temperature control units in the temperature controller. Each temperature control unit is connected to the power supply outside the dummy through a bus.

[0026] The temperature controller is used to control the heating devices of the torso, upper limbs, and lower limbs separately, so that the temperature of each part of the dummy's body is close to that of a real human body.

[0027] The beneficial effects of this utility model are:

[0028] First, the technical solution of this utility model is to install heating devices on various parts of the dummy in a modular manner. The heating devices at different locations are connected to different temperature control units. By controlling the heating devices on various parts of the dummy through different temperature control units, the temperature on various parts of the dummy can reach the temperature of a real human body.

[0029] Secondly, the technical solution of this utility model uses a 12-16mm thick polyurethane foam material to wrap the outer layer of the dummy core, which makes the radar reflection characteristics of the dummy close to those of a real human body. At the same time, waterproof fabric is used as the final visible light surface layer to maintain the consistency of appearance in the camera image. A coating is applied to the outside of the surface layer to make the infrared reflection characteristics of the dummy consistent with those of a real person. The technical solution of this utility model can solve the problems of existing dummy devices lacking body temperature simulation function and being unable to simultaneously meet radar, infrared and visible light detection conditions. It is suitable for testing in rain, snow, night or low light scenarios. Compared with existing dummies, it can better simulate real people and improve the accuracy of testing.

[0030] Third, the technical solution of this utility model is to set a leg swing drive device in the dummy, which can drive the lower limbs of the dummy to swing back and forth to simulate the movement of a real person. During the simulation, the sudden actions of pedestrians (such as sudden acceleration) can also be restored by adjusting the speed of the internal drive motor, so as to realize dynamic behavior simulation, avoid test deviation caused by gait stiffness, and further improve the test accuracy.

[0031] Fourth, the technical solution in this utility model optimizes the compatibility between the heating material and the outer skin. The heating material adopts a composite structure design, with the heating element located in the center and wrapped with polyester insulation cotton and waterproof fabric in sequence. This structure can achieve thermal isolation and thermal buffering, preventing the heat of the heating element from directly affecting the outer skin of the dummy. Moreover, the heating element uses copper wire or composite fiber, which can be evenly arranged in a wiring manner. Compared with sheet heating elements, it reduces the reflective surface, reduces the disturbance of the electromagnetic structure, and avoids interference with radar wave reflectivity and camera visible light characteristics.

[0032] Fifth, the technical solution of this utility model uses low-cost materials to make the dummy, such as using pearl cotton material to make the dummy core, which reduces the cost of the dummy, and the dummy can be cyclically tested, combining durability and economy. Attached Figure Description

[0033] The advantages of the above and / or additional aspects of this utility model will become apparent and readily understood in the description of the embodiments taken in conjunction with the following drawings, wherein:

[0034] Figure 1 This is a schematic diagram of the overall structure of an AEB soft-body heating dummy target object according to an embodiment of the present invention;

[0035] Figure 2 This is a schematic diagram of the upper limb structure of an AEB soft-body heated dummy target object according to an embodiment of the present invention;

[0036] Figure 3 This is a schematic diagram of the torso structure of an AEB soft-body heated dummy target object according to an embodiment of the present invention;

[0037] Figure 4 This is a schematic diagram of the lower limb structure of an AEB soft-body heated dummy target according to an embodiment of the present invention;

[0038] Figure 5 This is a front view of the hip of an AEB soft-body heated dummy target according to an embodiment of the present invention;

[0039] Figure 6 This is a rear view of the hip of an AEB soft-body heated dummy target according to an embodiment of the present invention;

[0040] Figure 7 This is a schematic diagram of the hip drive motor structure of an AEB soft-body heated dummy target object according to an embodiment of the present invention;

[0041] Figure 8 This is a schematic diagram of the power terminal mounting base for the AEB soft-body heating dummy target object according to an embodiment of the present invention;

[0042] Figure 9 This is a schematic diagram of the AEB soft heating dummy target stabilization support device according to an embodiment of the present invention;

[0043] Figure 10 This is a schematic diagram illustrating the connection principle between the AEB soft-body heating dummy target object temperature controller and the dummy heating device according to an embodiment of the present invention.

[0044] Among them, 1-dummy torso, 11-external wrapping of torso, 2-dummy upper limb, 21-external wrapping of upper limb, 3-dummy hip, 31-anterior hip assembly, 32-posterior hip assembly, 321-first opening, 33-longitudinal through hole, 4-dummy lower limb, 41-external wrapping of lower limb, 42-leg rod, 5-leg swing drive device, 51-leg swing drive motor, 52-drive motor frame, 521-second opening, 53-leg magnet block, 6-stabilizing support device, 61-central tube, 611-pipe clamp, 612-power connector mounting base, 62-central rod, 63-dummy neck Velcro, 64-tying rope, 65-elastic rope, 66-small magnet, 7-base plate. Detailed Implementation

[0045] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments of this utility model and the features thereof can be combined with each other.

[0046] 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.

[0047] like Figure 1 As shown, this embodiment provides an AEB soft heating dummy target object, which includes, according to its function, a dummy body, a dummy heating device, a leg swing drive device 5, and a stabilizing support device 6.

[0048] The dummy's body consists of, from the inside out, the main body filler, the middle layer, the outer wrapping material, and the outer coating.

[0049] The dummy's heating device is located between the middle layer and the outer covering of the dummy, and is used to heat various parts of the dummy's body to simulate the temperature of a real human body.

[0050] The dummy's body is divided into a dummy torso 1, dummy upper limbs 2, dummy hips 3, and dummy lower limbs 4. The dummy upper limbs 2 are located on the shoulders on both sides of the dummy torso 1, and the lower end of the dummy torso 1 is connected to the dummy hips 3.

[0051] The dummy hip 3 is a hollow shell with a space in the center for accommodating the leg swing drive device 5. Openings are provided on the left and right sides of the space. The dummy hip 3 is fitted onto the outside of the leg swing drive device 5 through the space. The two ends of the leg swing drive device 5 extend out of the outside of the dummy hip 3. The dummy lower limbs 4 are fixed to the left and right ends of the leg swing drive device 5. The leg swing drive device 5 is used to drive the dummy lower limbs 4 to swing.

[0052] In this embodiment, the AEB soft-body heating dummy is taken as the central body, with the direction of the dummy's chest as the front side, the direction of the dummy's back as the rear side, the direction of the dummy's right side as the right side, and the direction of the dummy's left side as the left side.

[0053] The stabilizing support device 6 is located on the front side of the dummy's body. Its upper end is connected to the dummy's neck, its middle part is fixedly connected to the leg swing drive device 5, and its lower end is fixedly connected to the base plate under the dummy. The stabilizing support device 6 is used to support the dummy to stand upright and maintain its stability during the dummy's movement.

[0054] The dummy heating device includes a torso heating device, an upper limb heating device, and a lower limb heating device, which are respectively located inside the dummy torso 1, the dummy upper limb 2, and the dummy lower limb 4.

[0055] The AEB soft-body heated dummy also includes a temperature controller. The torso heating device, upper limb heating device and lower limb heating device are electrically connected to the temperature controller. The temperature controller is used to control the heating of the torso heating device, upper limb heating device and lower limb heating device respectively, so that the temperature of each part of the dummy's body is close to that of a real human body.

[0056] In this embodiment, existing temperature controllers can be used, such as the Omron E5CC series or the Watlow EZ-ZONE PM series, which can be used for temperature control in multiple zones.

[0057] The dummy torso 1 comprises, from the inside out, a torso filling layer, a torso intermediate layer, and a torso outer covering 11. The torso heating device is disposed between the torso intermediate layer and the torso outer covering 11. The torso intermediate layer, the torso heating device, and the torso outer covering 11 are all arranged sequentially from the inside out in a wrapping manner. Specifically, the torso filling layer is located at the center of the dummy torso 1, the torso intermediate layer wraps around the outside of the torso filling layer, the torso heating device wraps around the outside of the torso intermediate layer, and the torso outer covering 11 wraps around the outside of the torso heating device.

[0058] The dummy upper limb 2 consists of an upper limb filling layer, an upper limb intermediate layer, and an upper limb outer wrapping 21 from the inside out. The upper limb heating device is located between the upper limb intermediate layer and the upper limb outer wrapping 21. The upper limb intermediate layer, the upper limb heating device, and the upper limb outer wrapping 21 are all arranged sequentially from the inside out in a wrapping manner.

[0059] The dummy torso 1 includes a dummy head structure; the dummy upper limbs 2 include two arms, left and right, which are connected to the shoulders on both sides of the dummy torso 1 by elastic ropes. The elastic ropes pass horizontally through the shoulders of the dummy torso 1 and fasten the two arms to the sides of the dummy torso 1 through the two ends of the ropes. The two arms on both sides of the dummy torso 1 are close to the sides of the dummy torso 1.

[0060] The lower end of the dummy torso 1 is connected to the upper end of the dummy hip 3. The dummy hip 3 includes a front hip assembly 31 and a rear hip assembly 32. The front hip assembly 31 and the rear hip assembly 32 are fixedly connected, and a longitudinal through hole 33 is provided between the front hip assembly 31 and the rear hip assembly 32. A first opening 321 for exposing the temperature display screen is provided on the rear side of the rear hip assembly 32.

[0061] The dummy's lower limb 4 includes, from the inside out, a lower limb filling layer, a lower limb intermediate layer, and a lower limb outer wrapping 41. The lower limb heating device is located between the lower limb intermediate layer and the lower limb outer wrapping. The lower limb intermediate layer, the lower limb heating device, and the lower limb outer wrapping are all arranged sequentially from the inside out in a wrapping manner. The upper end of the dummy's lower limb 4 is also provided with a leg rod 42, which is used to connect to the leg swing drive device 5.

[0062] The leg swing drive device 5 includes a leg swing drive motor 51, a drive motor frame 52, and leg magnets 53. The drive motor frame 52 is a housing with an internal cavity, and the housing has symmetrical reserved holes on the left and right sides. There are two leg drive motors 51, which are symmetrically arranged on the left and right sides of the cavity of the drive motor frame 52. There are two leg magnets 53, which are located on the left and right sides of the outside of the drive motor frame 52, respectively. The shafts of the two leg drive motors 51 pass through the reserved holes on the corresponding sides and are fixedly connected to the leg magnets 53 on the left and right sides of the outside of the drive motor frame 52 housing. A second opening 521 for arranging wires is provided on the front side of the drive motor frame 52.

[0063] The leg magnet 53 is connected to the leg rod 42 at the upper end of the dummy's lower limb 4 by magnetic attraction. The leg drive motor 51 can drive the leg magnet 53 to rotate by rotating the shaft, thereby causing the dummy's lower limb 4 to swing.

[0064] In this embodiment, the dummy's lower limb 4 and the leg swing drive device 5 located at the dummy's hip 3 are connected by magnetic attraction. This magnetic attraction connection method is not only easy to assemble and disassemble quickly, but also allows the dummy's lower limb 4 and hip 3 to separate from the magnetic connection in time when a collision occurs during AEB testing, reducing the impact force on the main components of the dummy, thus protecting the dummy, avoiding damage, and improving the impact resistance of the dummy's main body.

[0065] In this embodiment, the swing leg drive motor 51 can be a servo motor of model GDW DS830.

[0066] The dummy's hip 3 is fitted on the outside of the drive motor frame 52, and the leg magnets 53 on both sides of the leg swing drive device 5 extend out of the outside of the dummy's hip 3.

[0067] The stabilizing support device 6 includes a central tube 61. The lower end of the central tube 61 is fixedly connected to the base plate 7 below the dummy, and the upper end is set in the longitudinal through hole 33 between the hip anterior component 31 and the hip posterior component 32. The upper end of the central tube 61 is fixedly connected to the front side of the drive motor frame 52 through a pipe clamp 611, wherein the pipe clamp 611 is fixed to the front side of the drive motor frame 52 by bolts.

[0068] A power connector mounting base 612 is provided at the lower end of the central tube 61, near the base plate 7. The power connector mounting base 612 is sleeved on the outer wall of the central tube 61 and fastened with bolts. A connector through hole is provided on the power connector mounting base 612. The internal space of the central tube 61 is used to arrange the wires of the swing leg drive motor 51 and the dummy heating device. A wire through hole is provided at the position where the central tube 61 connects with the power connector mounting base 612. The positions of the connector through hole and the wire through hole are corresponding. The connector of the external power supply is installed in the connector through hole. The wires inside the central tube 61 pass through the wire through hole and connect to the connector of the external power supply.

[0069] The stabilizing support device 6 also includes a central rod 62, a dummy's neck Velcro strap 63, a binding rope 64, an elastic rope 65, and a small magnet 66.

[0070] The central rod 62 is inclinedly set on the front side of the dummy's body, with its upper end located at the neck of the dummy's body. Velcro is installed on the outer side of the dummy's neck at a position corresponding to the upper end of the central rod 62. The upper end of the central rod 62 is fixedly connected to the neck of the dummy's body through the dummy's neck Velcro 63. The lower end of the central rod 62 is fixedly connected to the base plate 7 below the dummy.

[0071] The central rod 62 is not completely perpendicular to the ground, but forms a certain angle with the ground, ranging from 83° to 87°, which can support the dummy to stand upright.

[0072] It should be noted that, since the dummy's hip 3 is fitted on the outside of the drive motor frame 52, the lower end of the central tube 61 is fixedly connected to the base plate 7 below the dummy, and the upper end of the central tube 61 is fixedly connected to the drive motor frame 52 through the tube clamp 611, the central tube 61 can provide support for the dummy's hip 3 and lower limbs 4; since the upper end of the central rod 62 is fixedly connected to the neck of the dummy's body, and the lower end is fixedly connected to the base plate 7 below the dummy, the central rod 62 can provide support for the dummy's torso 1. Thus, it can be seen that the stabilizing support device 6 can support the dummy to stand upright.

[0073] Two small magnets 66 are symmetrically arranged on the left and right sides of the central rod 62 and magnetically connected to the base plate 7 below the dummy. The two ends of the binding rope 64 are fixedly connected to the two small magnets 66 respectively, and the middle part of the binding rope 64 is fixed to the Velcro 63 on the neck of the dummy by binding. The elastic rope 65 is arranged horizontally below the central rod 62 and near the base plate 7. The two ends of the elastic rope 65 are connected to the binding ropes 64 on both sides respectively, and the middle part of the elastic rope 65 is tied to the outer wall of the central rod 62. The elastic rope 65 is used to tighten the binding rope 64.

[0074] It should be noted that the stabilizing support device 6 can maintain the stability of the dummy during movement. Specifically, when the dummy torso 1 tilts to the left, the right-side binding rope 64 is taut, and when the dummy torso 1 tilts to the right, the left-side binding rope 64 is taut. Through the tension control of the binding ropes 64 on both sides of the dummy torso 1, the left and right swaying motion of the dummy torso 1 is limited, maintaining its stability, so as to achieve the purpose of correcting the dummy torso 1.

[0075] The dummy's heating device is made of a 3mm thick heating material, which consists of three parts: waterproof fabric, heating element (made of composite fiber or copper wire), and polyester insulation. The heating element is located at the center of the dummy's heating device, and is wrapped with polyester insulation and waterproof fabric in sequence. The torso heating device, upper limb heating device, and lower limb heating device have the same structure, and each heating device contains a heating element.

[0076] The temperature controller is installed inside the dummy's body. The temperature controller includes multiple temperature control units that can work independently. The heating elements in the torso heating device, upper limb heating device, and lower limb heating device are electrically connected to the corresponding number of temperature control units in the temperature controller through wires. Each temperature control unit is connected to the external power supply of the dummy through a bus. The bus is arranged in the central tube 61 and passes through the wire through hole on the central tube 61 to connect to the external power connector installed on the connector through hole of the power connector mounting base 612.

[0077] In this embodiment, the temperature controller can be placed inside the dummy's torso 1 or fixed to the dummy's hip 3. Heating devices at different locations are connected to the temperature control unit, and the heating material conducts electricity to heat the corresponding parts of the dummy, thereby reaching the temperature of a real human body.

[0078] The AEB soft-body heating dummy target also includes sensors and a temperature display.

[0079] The sensor consists of three sensors, which are respectively installed on the torso heating device, the upper limb heating device, and the lower limb heating device. Each sensor is connected to the temperature control unit corresponding to the heating device it measures. The sensors are used to measure the temperature of the dummy's heating device and feed the measured temperature signal back to the temperature control unit.

[0080] The temperature display is fixed in the first opening 321 provided on the rear side of the hip posterior assembly 32. The temperature display is connected to the temperature controller. The temperature controller is also used to send the temperature signal measured by the sensor to the temperature display. The temperature display is used to display the temperature of each heating device measured by the sensor, so that the staff can obtain the temperature information of the heating devices in different parts in real time during the experiment.

[0081] For any one of the heating devices, namely the torso heating device, the upper limb heating device, and the lower limb heating device, the corresponding temperature control unit is equipped with a temperature threshold. When the heating device is powered on, if the temperature of the heating device is lower than the temperature threshold, the temperature control unit controls the heating device to heat up. If the temperature of the heating device is higher than the temperature threshold, the temperature control unit controls the heating device to stop heating up.

[0082] The AEB soft-body heated dummy target also includes a leg swing controller, which is installed in the dummy's body. The wires of the leg swing drive motor 51 pass through the second opening 521 provided on the front side of the drive motor frame 52 and are electrically connected to the leg swing controller. The leg swing controller is connected to an external power source through wires. The wires of the leg swing controller are arranged in the central tube 61 and pass through the wire through hole on the central tube 61 to connect to the external power connector installed on the connector through hole of the power connector mounting base 612.

[0083] In this embodiment, the leg swing controller can be set inside the dummy torso 1 or fixed on the dummy hip 3. The leg swing controller controls the rotation of the output shaft of the leg swing drive motor 51. The output shaft of the leg swing drive motor 51 drives the dummy's lower limbs 4 to swing through the leg magnet block 53.

[0084] It should be noted that the torso filling layer, upper limb filling layer, dummy hip 3, and lower limb filling layer are made of pearl cotton material, while the middle layer of the torso, upper limb, and lower limb is made of polyurethane foam material. The thickness of the polyurethane foam material in the middle layer of the dummy is set to 12-16mm (a thickness of 12-16mm allows its electromagnetic scattering characteristics to be closer to those of a human body, helping to control the RCS within the range of -10dBsm to -20dBsm), making the radar reflection characteristics of the dummy target similar to those of a real human body. Polyurethane foam material has the characteristic of absorbing millimeter waves and is a new type of environmentally friendly packaging material with advantages such as water and moisture resistance, shock absorption, sound insulation, heat insulation, good plasticity, high toughness, recyclability, environmental friendliness, and strong impact resistance. By controlling the thickness of this absorbing material, the radar reflection characteristics of the AEB dummy can be changed, making the radar reflection characteristics of various parts of the dummy target consistent with those of a real person.

[0085] The central tube 61 is made of PC material, which is tough, inexpensive, and readily available on the market. The torso outer wrap 11, upper limb outer wrap 21, and lower limb outer wrap 41 are made of waterproof fabric. An external coating is also applied to the dummy's body. This coating can use IR1000 near-infrared reflective titanium dioxide, which has a refractive index of 1.5-1.8 and a coating thickness of 0.5-1.5 mm. By coating the dummy's body with titanium dioxide, the infrared reflective characteristics of the AEB soft dummy are made consistent with those of a real person. The waterproof fabric, as the final visible light surface layer, has stable reflectivity and color retention, ensuring consistent appearance in the camera image. Although the external titanium dioxide (IR1000) is mainly used for near-infrared reflection, it is also a white, highly dispersed particulate material. Its visual appearance is soft, non-reflective, and non-specular, preventing unnatural highlights or spots in the camera image and contributing to image consistency.

[0086] In addition, after creating the Chinese human body AEB dummy target, we can conduct a survey on the clothing style of the population in the selected area, select the most common colors, such as black, white, gray and blue, and choose dummy clothes by matching them together. For the dummy body exposed outside the clothes, including the head and hands, the corresponding external coverings are made of human skin color.

[0087] In this embodiment, the heating material adopts a composite structure design, with the heating element located at the center and wrapped in polyester insulation cotton and waterproof fabric in sequence. This internal heating and external wrapping structure provides good thermal insulation and thermal buffering, preventing the heat from the heating element from directly affecting the dummy's outer skin (i.e., the outer wrapping material and outer coating). Specifically, the polyester insulation cotton is both heat-insulating and non-conductive, improving the thermal stability and electromagnetic compatibility of the dummy's heating device and the dummy's outer skin material, preventing changes in the properties of the outer material due to heat. Moreover, the heating material is only 3mm thick, reducing its impact on the overall shape of the dummy. The heating element uses copper wire or composite fiber, which can be evenly arranged in a wiring manner. Compared with sheet-like heating elements such as metal sheets, this avoids the formation of a large-area reflective surface, reduces electromagnetic disturbances, and thus avoids interference with radar wave reflectivity (-10dBsm to -20dBsm) and the visible light characteristics of the camera.

[0088] In this embodiment, the dummy target object needs to be based on human body size so that it can simulate the appearance of a real person in the test experiment, thereby improving the accuracy of the experiment. The materials used for manufacturing need to be environmentally friendly, inexpensive, and easy to purchase. At the same time, they also need to meet the requirements of the China Automotive Technology and Research Center for radar reflection and infrared reflection characteristics of AEB testing. In this embodiment, the dummy target object has a simple structure and is easy to manufacture, which can achieve mass production.

[0089] This embodiment also provides a method for manufacturing an AEB soft-body heating dummy target, specifically including:

[0090] First, human body size data for the selected region and human body size data for China provided by the China Automotive Technology and Research Center (CATARC) were collected. Referring to the standards provided by CATARC, the final human body feature dimensions were determined based on the selected region's human body size data. These human body features included: dummy height, perineum height, shoulder height, shoulder width, head width, head height, chest thickness, upper limb length, thigh length, and lower leg length. Then, based on the final human body feature dimensions, the dimensions of the AEB soft-body heating dummy target were determined, and a three-dimensional model was established. The material composition and external coating of each part of the dummy were selected to ensure that the dummy met CATARC's requirements for radar and infrared reflection characteristics in AEB testing. Finally, according to the three-dimensional model, the selected materials were used to manufacture each part of the dummy, and they were assembled according to the aforementioned connection relationships.

[0091] In this embodiment, the AEB soft heating dummy target has a height of 1700±20mm, an upper limb length of 735mm, a lower limb length of 850mm, which conforms to the human body size of Chinese people, and a weight of ≤8KG.

[0092] Using the AEB soft-body heated dummy in this embodiment as the test target, the intelligent driving system of the vehicle is tested. The specific process is as follows:

[0093] The test vehicle was placed inside the experimental chamber, and the chamber temperature was adjusted to a preset temperature (e.g., 0℃, 10℃). According to the test requirements, the assembled AEB soft-body heated dummy was placed around the test vehicle, such as in front, behind, or to the sides, simulating an interactive scenario. An external power source was used to power the leg-swinging drive motor 51, causing the leg-swinging drive device 5 to move the dummy's lower limbs 4 back and forth, simulating real human movement. Simultaneously, an external power source was used to power the torso heating device, upper limb heating device, and lower limb heating device, bringing the temperature of various parts of the AEB soft-body heated dummy close to that of a real human body. This verified the vehicle's intelligent driving system's recognition results of the AEB soft-body heated dummy.

[0094] In addition, the experimental chamber can be set up as a nighttime testing scenario. The external power source is a torso heating device, an upper limb heating device, and a lower limb heating device, which can perform dummy testing on various positions of the dummy to better simulate the infrared properties of a real person. This allows for verification of the recognition results of the car's intelligent driving system on the AEB soft-body heated dummy in a nighttime testing scenario.

[0095] In this utility model, the terms "installation," "connection," "linking," and "fixing" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; "linking" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0096] The shapes of the components in the accompanying drawings are schematic and may differ from their actual shapes. The drawings are only used to illustrate the principle of this utility model and are not intended to limit this utility model.

[0097] Although the present invention has been disclosed in detail with reference to the accompanying drawings, it should be understood that these descriptions are merely exemplary and not intended to limit the application of the present invention. The scope of protection of the present invention is defined by the appended claims and may include various modifications, alterations, and equivalents made to the invention without departing from the scope and spirit of the present invention.

Claims

1. A soft-body heated dummy target object for AEB (Automatic External Defibrillator) systems, characterized in that, The target object for the heating dummy includes, according to its function, a dummy body, a dummy heating device, a leg swing drive device (5), and a stabilizing support device (6). The dummy body, from the inside out, includes the dummy body filler, the dummy middle layer, the outer wrapping material, and the outer coating. The dummy heating device is located between the middle layer of the dummy and the outer wrapping material, and is used to heat various parts of the dummy's body to simulate the temperature of a real human body. The dummy body is divided into a dummy torso (1), a dummy upper limb (2), a dummy hip (3) and a dummy lower limb (4). The dummy upper limb (2) is located on the shoulders on both sides of the dummy torso (1). The lower end of the dummy torso (1) is connected to the dummy hip (3). The dummy hip (3) is fitted on the outside of the leg swing drive device (5), and the left and right ends of the leg swing drive device (5) extend out of the dummy hip (3). The dummy lower limb (4) is fixed on the left and right ends of the leg swing drive device (5). The leg swing drive device (5) is used to drive the dummy lower limb (4) to swing. The stabilizing support device (6) is located on the front side of the dummy's body. Its upper end is connected to the dummy's neck, its middle part is fixedly connected to the leg swing drive device (5), and its lower end is fixedly connected to the base plate below the dummy. The stabilizing support device (6) is used to support the dummy to stand upright and maintain its stability during the dummy's movement. The dummy heating device includes a torso heating device, an upper limb heating device, and a lower limb heating device, which are respectively disposed inside the dummy torso (1), the dummy upper limb (2), and the dummy lower limb (4).

2. The AEB soft-body heating dummy target object as described in claim 1, characterized in that, The dummy torso (1) consists of a torso filling layer, a torso middle layer, and a torso outer wrapping (11) from the inside out. The torso heating device is located between the torso middle layer and the torso outer wrapping (11). The torso middle layer, the torso heating device, and the torso outer wrapping (11) are all arranged sequentially from the inside out in a wrapping manner.

3. The AEB soft-body heating dummy target object as described in claim 1, characterized in that, The leg swing drive device (5) includes a leg swing drive motor (51), a drive motor frame (52), and a leg magnet (53). There are two leg drive motors (51), which are symmetrically arranged on the left and right sides inside the drive motor frame (52). The leg magnets (53) are respectively arranged on the left and right sides outside the drive motor frame (52). The shafts of the two leg drive motors (51) pass through the drive motor frame (52) and are fixedly connected to the external leg magnets (53).

4. The AEB soft-body heating dummy target object as described in claim 3, characterized in that, The upper end of the dummy's lower limb (4) is also provided with a leg rod (42), and the leg magnet (53) is connected to the leg rod (42) by magnetic attraction.

5. The AEB soft-body heating dummy target object as described in claim 3, characterized in that, The dummy hip (3) includes an anterior hip assembly (31) and a posterior hip assembly (32), the anterior hip assembly (31) and the posterior hip assembly (32) are fixedly connected, and a longitudinal through hole (33) is provided between the anterior hip assembly (31) and the posterior hip assembly (32).

6. The AEB soft-body heating dummy target object as described in claim 5, characterized in that, The stabilizing support device (6) includes a central tube (61), the lower end of which is fixedly connected to the base plate below the dummy, and the upper end is set in the longitudinal through hole (33) and fixedly connected to the drive motor frame (52) through a pipe clamp.

7. The AEB soft-body heating dummy target object as described in claim 6, characterized in that, A power connector mounting base (612) is provided on the lower outer wall of the central tube (61). The connector of the external power supply is installed on the power connector mounting base (612). The internal space of the central tube (61) is used to arrange the wires of the swing leg drive motor (51) and the dummy heating device. A wire through hole is provided at the position where the central tube (61) connects to the power connector mounting base (612). The wires inside the central tube (61) pass through the wire through hole and connect to the external power connector.

8. The AEB soft-body heating dummy target object as described in claim 1, characterized in that, The stabilizing support device (6) also includes a central rod (62), a dummy neck Velcro strap (63), a binding rope (64), an elastic rope (65), and a small magnet (66). The central rod (62) is inclinedly set on the front side of the dummy's body. Its upper end is fixedly connected to the neck of the dummy's body through the dummy's neck Velcro (63), and its lower end is fixedly connected to the bottom plate below the dummy. There are two small magnets (66), which are symmetrically arranged on the left and right sides of the central rod (62) and magnetically connected to the base plate respectively. The two ends of the binding rope (64) are connected to the two small magnets (66) respectively. The middle part of the binding rope (64) is tied to the Velcro (63) of the dummy's neck. The elastic rope (65) is arranged horizontally below the central rod (62), with its two ends connected to the binding ropes (64) on both sides respectively, and its middle part tied to the central rod (62). The elastic rope (65) is used to tighten the binding rope (64).

9. The AEB soft-body heating dummy target object as described in claim 1, characterized in that, The dummy heating device is made of heating material, which consists of waterproof fabric, heating element and polyester insulation cotton. The heating element is located in the center and is wrapped with polyester insulation cotton and waterproof fabric in sequence. The torso heating device, upper limb heating device and lower limb heating device have the same composition structure.

10. The AEB soft-body heating dummy target object as described in claim 1, characterized in that, The heated dummy also includes a temperature controller, which contains multiple temperature control units. The heating elements in the torso heating device, upper limb heating device, and lower limb heating device are electrically connected to the corresponding number of temperature control units in the temperature controller. Each temperature control unit is connected to a power source outside the dummy via a bus.

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