AVAS sound production device capable of producing sound by using automobile structural member

Abstract

The utility model relates to the technical field of automobile sound production device installation, and provides an AVAS sound production device using an automobile structural member to produce sound, comprising a structural member having an installation plane; the exciter is arranged on the mounting plane, and after the exciter converts an electric signal into mechanical vibration, the exciter directly drives the structural member to vibrate and produce sound. According to the technical scheme, the problems of low sound production efficiency, high cost and complex mechanism of an AVAS device in the prior art during use and installation are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile sounding device installation technical field, specifically, relate to a kind of AVAS sounding device using automobile structural member to sound. BACKGROUND

[0002] With the popularity of electric vehicles and hybrid vehicles, the noise level of vehicles when driving at low speed is significantly reduced. This improves driving comfort, but also brings safety hazards that pedestrians and other road users cannot detect vehicle approach. Therefore, relevant regulations require such vehicles to be equipped with AVAS devices when driving at low speed to produce warning sound.

[0003] Traditional AVAS devices usually use a matching structure to install speakers inside the front and rear bumpers. However, this approach has many problems. For example, low sound efficiency: sound needs to penetrate the bumper and other vehicle body structures to reach the outside world, resulting in sound energy loss and affecting warning effect. High cost: additional speaker components and mounting structure are required, increasing material and manufacturing costs. Complex structure: speaker installation requires holes or brackets on the vehicle body, affecting the integrity and aesthetics of the vehicle body. Therefore, how to improve the sound efficiency of AVAS devices and reduce costs has become a problem to be solved in the industry. SUMMARY

[0004] The utility model provides a kind of AVAS sounding device using automobile structural member to sound, solve the problem of low sound efficiency, high cost and complex mechanism of AVAS device in related art when using and installing.

[0005] The technical solution of the utility model is as follows:

[0006] A kind of AVAS sounding device using automobile structural member to sound, comprising:

[0007] Structural member with mounting plane;

[0008] Exciter is set on the mounting plane, the exciter converts the electrical signal into mechanical vibration, and then the exciter directly drives the structural member to vibrate and sound.

[0009] Preferably, the exciter is bonded or clamped or screwed on the structural member.

[0010] Preferably, the structural member serves as a vibration body.

[0011] Preferably, the structural member is any one of a vehicle frame, a vehicle door or a bumper.

[0012] Preferably, the exciter is set inside the structural member, and the structural member has at least one mounting plane.

[0013] Preferred options also include:

[0014] A fixed ring is disposed on the mounting plane, and the actuator passes through the fixed ring;

[0015] The first locking block has a plurality of them, and the plurality of the first locking blocks are spaced apart on the outer wall of the fixing ring in the circumferential direction;

[0016] The second locking block has a plurality of them, and the plurality of the second locking blocks are spaced apart on the outer wall of the actuator in the circumferential direction, and the first locking block is engaged with the second locking block.

[0017] Preferably, the first card block is L-shaped and the second card block is rectangular.

[0018] Preferably, the second card block has a pressing slope located at the point where the second card block contacts the first card block. After the first card block contacts the second card block, the pressing slope is used to apply a pressing force to the first card block in a direction away from the actuator.

[0019] The working principle and beneficial effects of this utility model are as follows:

[0020] The AVAS device in this invention boasts high sound generation efficiency during use. The exciter directly drives the bumper to emit sound, reducing sound energy loss during propagation and enhancing the warning effect. Installation costs are low, eliminating the need for additional speakers and mounting structures, thus reducing material and manufacturing costs. The simplified installation structure and steps avoid drilling holes or adding brackets to the vehicle body, maintaining the vehicle's integrity and aesthetics. While meeting relevant AVAS regulations, it achieves higher sound generation efficiency and lower costs. In summary, by directly installing an exciter on the front or rear bumper of a car and utilizing surface acoustic technology, the bumper acts as a sound emitter, directly emitting sound. This design improves sound generation efficiency and reduces manufacturing costs. Attached Figure Description

[0021] The preferred embodiments will be described below in a clear and easy-to-understand manner, in conjunction with the accompanying drawings, to further explain the above-mentioned characteristics, technical features, advantages and implementation methods of this utility model.

[0022] Figure 1 This is a schematic diagram showing the installation position of the exciter and structural components of this utility model;

[0023] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle;

[0024] Figure 3 for Figure 2 Enlarged view of section B in the middle.

[0025] In the figure: 1, structural part, 101, mounting plane, 2, exciter, 3, fixing ring, 4, first clamping block, 5, second clamping block, 501, extrusion inclined surface. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0027] In order to make the drawing simple, only the parts related to the present application are shown in each drawing, which does not represent the actual structure of the product. In addition, in order to make the drawing simple and easy to understand, in some drawings, only one of the components with the same structure or function is shown, or only one of them is marked. In this paper, "one" not only means "only one", but also means "more than one", and "several" includes "two" and "more than two".

[0028] In this paper, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0029] In addition, in the description of the present application, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0030] Reference Figures 1-3 For an embodiment of the present application, an AVAS sound device using a car structural part to sound is proposed, which comprises a structural part 1 having a mounting plane 101; an exciter 2 is arranged on the mounting plane 101, and the exciter 2 directly drives the structural part 1 to vibrate and sound after converting the electrical signal into mechanical vibration.

[0031] In the above scheme, the front bumper of the car is selected as the structural member 1, and the bumper has a relatively flat outer side surface as the mounting plane 101. An exciter 2 is mounted on the mounting plane 101. The exciter 2 is connected to the electronic control unit (ECU) of the vehicle. When the ECU sends an electric signal of a specific frequency and intensity to the exciter 2, mechanical vibration is rapidly generated due to the piezoelectric effect. The vibration is directly transmitted to the bumper, so that the bumper as a whole follows the vibration and radiates sound to the surrounding air, achieving the emission of warning sound. For example, when the vehicle approaches a pedestrian or other vehicle at a low speed, the AVAS sound emitting device can timely emit clear and loud sound to attract the attention of the surrounding people and improve the safety of driving.

[0032] Further, the exciter 2 is bonded or clamped or screwed on the structural member 1.

[0033] In the above scheme, for the installation of the exciter 2 on the front bumper, the bonding method is adopted. A high-strength structural adhesive specially used for automobile parts is used to firmly bond the electromagnetic exciter 2 on the mounting plane 101 of the front bumper. When the vehicle needs to emit warning sound, the electromagnetic exciter 2 receives the electric signal to generate vibration. Due to the firmness of the bonding, the exciter 2 can stably drive the bumper to vibrate and emit sound. This installation method is simple and can effectively ensure the connection strength between the exciter 2 and the bumper.

[0034] Alternatively, the clamping method is adopted. A plurality of protruding clamping hook structures are arranged on the mounting plane 101 of the front bumper, and a clamping groove is arranged at a corresponding position on the back of the exciter 2. During installation, the exciter 2 is aligned with the clamping hook, and then pressed downward so that the clamping hook is clamped into the clamping groove, achieving the clamping and fixing of the exciter 2 and the bumper. This clamping method is convenient for installation and disassembly, and is convenient for operation when the exciter 2 needs to be repaired or replaced.

[0035] The screwing method can also be adopted. An installation plate with a stud is mounted on the mounting plane 101 of the front bumper, and an internal threaded hole is arranged at the bottom of the exciter 2. During installation, the internal threaded hole of the exciter 2 is screwed into the stud of the bumper, and then tightened. Such screwing structure can provide better fastening force, ensuring that the exciter 2 will not loosen during operation, and stably driving the bumper to vibrate and emit sound.

[0036] Further, the structural member 1 serves as the vibration body.

[0037] In the above scheme, the automobile bumper is a larger structural member 1, which has a certain mass and rigidity. An exciter 2 is arranged inside the bumper near the surface. When the exciter 2 receives an electrical signal from the vehicle control system, the exciter 2 converts the electrical signal into mechanical vibration, which can be effectively transmitted to the entire bumper, causing the bumper to vibrate and make a sound. At this time, the front bumper acts as a large vibration body, and the sound produced by the vibration is transmitted to the front and rear of the vehicle, serving as a warning. For example, when the vehicle is reversing or driving at low speed, the AVAS sound device emits a sound through the bumper vibration body, warning pedestrians or vehicles behind to be cautious.

[0038] Further, the structural member 1 is any one of a vehicle frame, a vehicle door, or a bumper.

[0039] In the above scheme, the bumper is usually made of plastic or metal material, and has a certain strength and shape. An exciter 2 is installed inside the bumper. When the vehicle needs to emit a warning sound, the exciter 2 will quickly vibrate after receiving an electrical signal, which directly acts on the bumper, causing the bumper to vibrate and emit a sound. Since the bumper is located in a conspicuous position at the front of the vehicle, the sound emitted can be more effectively heard by pedestrians, cyclists, or other vehicle drivers in front, thereby better achieving the warning effect and improving road traffic safety.

[0040] Further, the exciter 2 is arranged inside the structural member 1, and the structural member 1 has at least one mounting plane 101.

[0041] In the above scheme, the exciter 2 is installed inside the structural member 1, which is convenient to use and does not affect the overall aesthetics of the vehicle body. It can be understood that each mounting plane 101 corresponds to an exciter 2, so when multiple exciters need to be installed, multiple mounting planes 101 need to be provided.

[0042] Further, it further includes a fixing ring 3 arranged on the mounting plane 101, and the exciter 2 passes through the fixing ring 3; a plurality of first clamping blocks 4 are arranged on the outer wall of the fixing ring 3 in a circumferential direction; a plurality of second clamping blocks 5 are arranged on the outer wall of the exciter 2 in a circumferential direction, and the first clamping blocks 4 and the second clamping blocks 5 are clamped together.

[0043] In the above scheme, during installation, the fixing ring 3 is arranged on the mounting plane 101 by welding, welding, or screwing, and then the exciter 2 is arranged in the fixing ring 3. When installing the fixing ring 3, due to the presence of the first clamping blocks 4 and the second clamping blocks 5, when installing the exciter 2, only the exciter 2 needs to be installed in the fixing ring 3, and then rotating the exciter 2 can make the first clamping blocks 4 and the second clamping blocks 5 clamped together.

[0044] Further, the first clamping block 4 is L-shaped, and the second clamping block 5 is rectangular.

[0045] In the above scheme, when the first clamping block 4 and the second clamping block 5 are clamped, the L-shaped first clamping block 4 is convenient to clamp on the second clamping block 5, and the L-shaped first clamping block 4 also has a guiding effect, which is convenient for the installer to operate correctly.

[0046] Further, the second clamping block 5 has an extrusion inclined surface 501, which is located at the position where the second clamping block 5 is connected with the first clamping block 4. After the first clamping block 4 contacts with the second clamping block 5, the extrusion inclined surface 501 is used to apply an extrusion force to the first clamping block 4 in the direction away from the exciter 2.

[0047] In the above scheme, when the first clamping block 4 and the second clamping block 5 are completely contacted, the extrusion inclined surface 501 will apply an outward force to the first clamping block 4, so that the first clamping block 4 and the second clamping block 5 are clamped.

[0048] It should be noted that the above embodiments are only used to illustrate the technical scheme of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical scheme of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An AVAS sound production device that produces sound using a structural member of an automobile, characterized by comprising: The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided.

2. The AVAS sound emitting device using a vehicle structural member according to claim 1, characterized by The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided.

3. The AVAS sound emitting device using a vehicle structural member according to claim 1, characterized by The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided.

4. The AVAS sound emitting device using a vehicle structural member to emit sound according to claim 1, characterized by, The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided.

5. The AVAS sound emitting device using a vehicle structural member to emit sound according to claim 1, characterized by, The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided.

6. The AVAS sound emitting device using a vehicle structural member to emit sound according to claim 1, characterized by, The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility model relates to a structure piece (1) and the exciter (2) of the structure piece (1) are provided. The utility

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