CN107727403A - A kind of inflatable emulation target carriage of automobile active safety system performance test - Google Patents

Abstract

The invention provides an inflatable simulation target vehicle for the performance test of an automobile active safety system, which includes a car cover, and an anti-collision structure is arranged inside the car cover, and a radar wave reflection triangular cone is arranged on the anti-collision structure, and the anti-collision structure Aluminum foil is pasted on the outside of the collision structure to reflect radar waves. The anti-collision structure is connected to an inflatable support structure, and the inflatable support structure includes a rear inflatable support structure, and the rear inflatable support structure is connected to the front inflatable support through an inflatable column. structure, the front side inflatable support structure is provided with a first wave absorbing plate on the side facing the test target vehicle, and the front side inflatable support structure and the rear side inflatable support structure are provided with a second wave absorber on the side facing away from the test target vehicle plate. The simulated target vehicle of the present invention can effectively simulate a real vehicle, is used for active safety testing of vehicles, can meet the test requirements of C-NCAP and E-NCAP for target vehicles, and can protect the test vehicle and the target vehicle.

Description

An inflatable simulation target vehicle for performance testing of automobile active safety system

technical field

The invention belongs to the field of automobile active safety performance testing, in particular to an inflatable simulation target car for automobile active safety system performance testing.

Background technique

The active safety performance test requires the test vehicle to be able to accurately and effectively identify the target vehicle on the one hand, and to protect the test vehicle and the target vehicle on the other hand. Based on the consideration of the above two points, the patent of the present invention proposes an inflatable simulation target vehicle for the performance test of the active safety system of the automobile.

Contents of the invention

In view of this, the present invention aims to propose an inflatable simulation target vehicle for vehicle active safety system performance testing, which can effectively simulate real vehicles for active safety testing of vehicles, and can meet the test requirements of E-NCAP for target vehicles , to protect the test vehicle and the target vehicle.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

An inflatable simulation target car for the performance test of an active safety system of an automobile, comprising a car cover, an anti-collision structure is arranged inside the car cover, a radar wave reflecting triangular cone is arranged on the anti-collision structure, and the outside of the anti-collision structure is pasted There is an aluminum foil for reflecting radar waves, the anti-collision structure is connected to an inflatable support structure, and the inflatable support structure includes a rear side inflatable support structure, and the rear side inflatable support structure is connected to the front side inflatable support structure through an inflatable column. The front side inflatable support structure is provided with a first wave absorbing plate facing the test target vehicle, and the front side inflatable support structure and the rear side inflatable support structure are provided with a second wave absorbing plate on the side facing away from the test target vehicle.

Further, the anti-collision structure is provided with three protrusions.

Further, the rear side inflatable support structure is provided with a limit hole corresponding to the protrusion of the anti-collision structure, and the anti-collision structure is connected to the inflatable support structure through the limit hole.

Further, the anti-collision structure is a sponge with hardness.

Further, the inflatable column is provided with an inflatable valve, and the front inflatable support structure, the rear support structure and the inflatable column are inflated through the inflatable valve, thereby supporting the whole structure.

Further, the first wave-absorbing plate is a wave-absorbing plate with quadrangular pyramids.

Further, the second wave-absorbing plate is a wave-absorbing plate without quadrangular pyramids.

Compared with the prior art, the inflatable simulation target vehicle of a kind of automobile active safety system performance test according to the present invention has the following advantages:

(1) In order to protect the test vehicle and the target vehicle, the interior of the simulation vehicle adopts an inflatable structure, and a sponge anti-collision structure is added to meet the collision requirement of 50Km/h;

(2) In order to simulate a real vehicle for vision-based active safety performance testing, a car coat coated with a car shape pattern is placed on the outside of the inflatable structure to simulate a real car;

(3) In order to meet the radar-based active safety performance test requirements, a triangular cone for reflecting radar waves is installed at the rear of the simulated vehicle, and aluminum foil for reflecting radar waves is also pasted on the rear surface;

(4) In order to reduce the reflection of radar waves from other parts of the simulation car, a wave-absorbing material for absorbing radar waves is pasted on the interior surface of the simulation car, and SML (E) type wave-absorbing material is used here;

(5) In order to absorb radar waves to the greatest extent, the wave-absorbing material with quadrangular pyramid structure is used.

Description of drawings

The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:

Fig. 1 is a two-dimensional assembly diagram of an inflated simulation target vehicle for a performance test of an automobile active safety system according to an embodiment of the present invention;

Fig. 2 is a three-dimensional half-section assembly diagram of an inflated simulation target vehicle for performance testing of an automobile active safety system according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of the first wave-absorbing plate described in the real-time example of the present invention;

Fig. 4 is a schematic diagram of the inflatable support structure described in the embodiment of the present invention;

Fig. 5 is a schematic diagram of the anti-collision structure according to the embodiment of the present invention.

Explanation of reference signs:

1-Radar wave reflection triangular cone; 2-Car cover; 3-Anti-collision structure; 31-Protrusion; 4-Rear inflatable support structure; 41-Limiting hole; ; 7-the first wave-absorbing board; 8-the front side inflatable support structure.

detailed description

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be interpreted as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in the figure, the present invention provides an inflatable simulation target vehicle for the performance test of the active safety system of an automobile, including a car cover 2, and an anti-collision structure 3 is arranged inside the car cover 2, and a radar is provided on the anti-collision structure 3 The wave reflection triangular cone 1, the outer side of the anti-collision structure 3 is pasted with aluminum foil for reflecting radar waves, the structure of the anti-collision structure 3 is connected with an inflatable support structure, and the inflatable support structure includes a rear side inflatable support structure 4, the The rear side inflatable support structure 4 is connected to the front side inflatable support structure 8 through the inflatable column 6, and the front side inflatable support structure 8 is provided with a first wave-absorbing plate 7 facing the test target vehicle side, and the front side inflatable support structure 8, The side of the rear inflatable support structure 4 facing away from the test target vehicle is provided with a second wave-absorbing board 5 .

The inflatable column 6 is provided with an inflatable valve, through which the front inflatable supporting structure 8, the rear supporting structure 4 and the inflatable column 6 are inflated, thereby supporting the whole structure.

The anti-collision structure 3 is a sponge with hardness, and the anti-collision structure 3 is provided with three protrusions 31, and the rear side inflatable support structure 4 is provided with corresponding protrusions 31 of the anti-collision structure 3. As for the limiting holes 41, when assembling, the three protrusions 31 are correspondingly inserted into the three limiting holes 41 of the rear side inflatable support structure 4 of the internal inflatable structure.

The first wave absorbing plate 7 is a wave absorbing plate with quadrangular pyramids.

The second wave-absorbing plate 5 is a wave-absorbing plate without a quadrangular pyramid

When the present invention is in use, the radar wave reflecting triangular cone 1 is installed at the rear of the anti-collision structure 3, and after the inflation of the inflatable structure is completed, the anti-collision structure 3 cooperates with the rear side inflatable support structure 4 through three limiting holes 41 , all the absorbing materials are pasted on the corresponding surface of the inflatable structure by pasting. After completing the above assembly, wrap the car cover 2 on the whole outside.

Before the test, place the target car at the corresponding position on the test track. When testing a vehicle with an active safety system based on radar, the radar wave reflection triangle 1 and the aluminum foil pasted on the anti-collision structure 3 can reflect radar waves, and the test vehicle receives the reflected radar. Wave, to obtain the information of the target vehicle ahead, so as to realize the activation of the active safety system function of the test vehicle.

Before the test, place the inflatable simulation target car on the corresponding position of the test track. When testing the active safety system based on the vehicle perceived by the visual camera, because the car cover 2 draws the outline of the rear image of the car, such as taillights, rear windshield, etc., the test vehicle The target vehicle in front can be recognized through the image, so as to realize the activation of the active safety system function of the test vehicle.

When the test vehicle hits the inflatable simulated target vehicle, since the target vehicle is an inflated sponge structure, it can effectively play a buffer role, ensuring that both the target vehicle and the test vehicle are not damaged, and the test can be repeated.

When testing the vehicle's active safety performance, the structure is placed at the front end of the vehicle to simulate the rear of the vehicle with obstacles in front, to test the recognition ability of the rear vehicle, and to play the role of collision buffer.

The invention is used for the active safety performance test of the automobile, can repeat the test, can withstand a collision of up to 50 km/h and can protect the test vehicle.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (7)

1. an inflatable simulation target car for automobile active safety system performance test, it is characterized in that: comprise car clothing, be provided with anti-collision structure in described car clothing, be provided with radar wave reflection triangular cone on described anti-collision structure, so Aluminum foil is pasted on the outside of the anti-collision structure for reflecting radar waves. The anti-collision structure is connected to an inflatable support structure, and the inflatable support structure includes a rear side inflatable support structure, and the rear side inflatable support structure is connected to the front side through an inflatable column. Inflatable support structure, the front side inflatable support structure is provided with a first wave absorbing plate on the side facing the test target vehicle, and the front side inflatable support structure and the rear side inflatable support structure are provided with a second wave absorbing plate on the side facing away from the test target vehicle. Absorbing board. 2 . The inflatable simulation target vehicle for performance testing of an active safety system of an automobile according to claim 1 , wherein the anti-collision structure is provided with three protrusions. 3 . 3. A kind of inflatable simulation target vehicle for automobile active safety system performance test according to claim 2, characterized in that: the rear side inflatable support structure is provided with a limit corresponding to the protrusion of the anti-collision structure The anti-collision structure is connected with the inflatable support structure through the limiting hole. 4. The inflatable simulation target vehicle for performance testing of an active safety system of an automobile according to any one of claims 1-3, wherein the anti-collision structure is a sponge with hardness. 5. A kind of inflatable simulation target vehicle for automobile active safety system performance test according to claim 1, characterized in that: said inflatable column is provided with an inflatable valve, and the front side inflated support structure and the rear side are supported by the inflatable valve. The structure and inflatable columns are inflated to support the entire structure. 6 . The inflatable simulation target vehicle for performance testing of an active safety system of an automobile according to claim 1 , wherein the first wave-absorbing board is a wave-absorbing board with a quadrangular pyramid. 7 . 7 . The inflatable simulation target vehicle for performance testing of an active safety system of an automobile according to claim 1 , wherein the second wave-absorbing board is a wave-absorbing board without a quadrangular pyramid. 8 .