Multidirectional prismatic table sound wave generator

Abstract

The utility model relates to a multidirectional prismatic table sound wave sounder, which comprises a shell, a circuit board assembly and directional loudspeakers, the circuit board assembly and the directional loudspeakers are arranged in the shell, a plurality of directional loudspeakers are respectively fixed on three side surfaces of the shell, the three side surfaces of the shell are mesh plates, the circuit board assembly is fixed on the other side surface in the shell, and the directional loudspeakers are fixed on the other side surface of the shell. The circuit board assembly comprises a main control module, a sound processing module and a directional loudspeaker power amplifier, the main control module transmits an audio signal to the sound processing module, the sound processing module transmits the audio signal to the directional loudspeaker power amplifier, and then the directional loudspeakers are driven to produce sound. The device adopts an integrated design (the circuit board assembly and the directional horns are arranged in the device, and the directional horns are arranged on the three surfaces of the shell), so that the device is convenient to install and simple to use; three-side independent three-dimensional sound production is realized, the sound field coverage area is large, and the sound transmission distance is longer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of highway broadcasting, especially relates to a multi-directional prismatic sound wave sound generator. BACKGROUND

[0002] The highway directional broadcasting command system is a communication tool specially designed for highway traffic management, mainly used for providing real-time traffic information and emergency notifications to drivers in a specific area, for improving road safety, optimizing traffic flow, reducing congestion, and providing drivers with instant traffic conditions, accident information, road condition changes or weather conditions in emergency situations, and guiding drivers to respond in time, especially suitable for traffic management during peak hours and holiday travel peaks, and under extreme weather conditions.

[0003] The existing technology has the following problems: the sound playing device in the existing highway directional broadcasting system has a small sound field coverage area and a short sound transmission distance, and the vehicles on the highway travel at a high speed, so they spend a short time passing the sound playing device and cannot hear the broadcast content clearly, which affects information acceptance and cannot truly play the role of the highway directional broadcasting command system. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model aims to provide a multi-directional prismatic sound wave sound generator, which has high integration, is easy to install, has a large sound field coverage area, and has a longer sound transmission distance.

[0005] To achieve the above utility model purposes, the utility model adopts the following technical solutions:

[0006] A multi-directional prismatic sound wave sound generator includes a shell, a circuit board assembly, and directional speakers arranged in the shell, multiple directional speakers are fixed on three sides of the shell, and the three sides of the shell are all mesh plates, the circuit board assembly is fixed on another side of the shell, the circuit board assembly includes a main control module, a sound processing module, and directional speaker power amplifiers, the main control module transmits audio signals to the sound processing module, the sound processing module transmits the audio signals to the directional speaker power amplifiers, and then drives multiple directional speakers to sound.

[0007] As a preferred solution, the shell includes an outer shell and a bottom plate, a circle of side plates is enclosed on the bottom plate near the outer edge, the directional speakers and the circuit board assembly are fixed on the corresponding side plates, the outer shell is fixed on the bottom plate and located outside the side plates.

[0008] As a preferred solution, multiple side plates enclose a columnar shape with a trapezoidal horizontal cross section, multiple directional speakers are fixed on the side plates of the upper base and two side waists of the trapezoid, and the outer shell also has a columnar shape with a trapezoidal horizontal cross section.

[0009] As a preferred scheme, the bottom plate is further fixed with an access line post for facilitating connection of external lines with the circuit board assembly.

[0010] As a preferred scheme, the circuit board assembly is further provided with a network interface, a 485 interface, an external audio input / output interface and a trigger signal indicator for facilitating connection with external devices.

[0011] As a preferred scheme, the circuit board assembly and the directional loudspeaker power amplifier adopt a DC 24V input voltage.

[0012] As a preferred scheme, the back of the shell is symmetrically provided with two hanging plates, and a plurality of long strip-shaped hanging holes are arranged at intervals on the hanging plates.

[0013] Compared with the prior art, the device has the advantages that:

[0014] The device of the utility model adopts integrated design (built-in circuit board assembly and directional loudspeaker, and three surfaces of the shell are provided with directional loudspeakers), convenient to install, simple to use; three independent three-dimensional sound outputs are realized, the sound field coverage area is large, and the sound transmission distance is farther; and the device is particularly suitable for high-speed main line measurement and early warning, black point accident road section early warning, tunnel entrance early warning and the like. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification integrated into part of the specification for the purpose of providing further understanding of the application, the illustrative embodiments of the application and the description thereof are used to explain the application, and do not constitute limitation to the application.

[0016] Fig. 1 is a structural schematic view of the utility model from one angle (shell and bottom plate separation state);

[0017] Fig. 2 is a structural schematic view of the utility model from another angle

[0018] Fig. 3 is a back structural schematic view of the utility model.

[0019] The reference signs are: 1, shell;2, bottom plate;3, side wall;4, directional sound emitting module;5, circuit board assembly;11, mesh plate;6, hanging plate;61, hanging hole;7, access line post. DETAILED DESCRIPTION

[0020] It should be noted that the following detailed description is exemplary, and is intended to provide further explanation of the application. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as generally understood by those skilled in the art to which the application belongs.

[0021] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof.

[0022] In addition, in the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0023] In addition, the terms "first", "second", "third", etc. are only used for description purpose and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "multiple" is two or more, unless otherwise explicitly limited.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be 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 the communication between 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.

[0025] In the present application, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include the direct contact of the first and second features, or can include the contact of the first and second features through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature to the second feature include the vertical direction of the first feature above and obliquely above the second feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature to the second feature include the vertical direction of the first feature below and obliquely below the second feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0026] The utility model will be further described below in combination with the drawings and embodiments:

[0027] As shown in the figure, a multi-directional prism sound wave sound generator, including the casing, and the circuit board assembly 5, directional horn 4 arranged in the casing, a plurality of directional horn 4 is fixed on the three sides of the casing respectively, and the three sides of the casing are all mesh plate 11, the circuit board assembly 5 is fixed on another side in the casing, the circuit board assembly 5 includes master control module, sound processing module and directional horn power amplifier, the master control module transmits audio signal to sound processing module, and sound processing module sends audio signal to directional horn power amplifier, and then drives a plurality of directional horn 4 to sound. Figs. 1 to 3 The casing includes shell 1 and bottom plate 2, a circle of side plates 3 is enclosed on the bottom plate 2 close to the outer edge, the directional horn 4 and the circuit board assembly 5 are fixed on the corresponding side plates 3 respectively, the shell 1 is fixed on the bottom plate 2 and located outside the side plates 3. A plurality of side plates 3 enclose a columnar shape with trapezoidal horizontal section, a plurality of directional horn 4 are fixed on the side plates 3 of the upper base and two side waists of the trapezoidal shape, and the shell 1 also forms a columnar shape with trapezoidal horizontal section.

[0028] The shell is trapezoidal and is provided with directional horn on three sides, which can maximize the sound field coverage area, and the directional horn cooperates with the circuit board assembly, has high resolution and environmental interference resistance, and has the advantages of clear voice, long transmission distance, strong sound penetration and the like.

[0029] The circuit board assembly 5 is further provided with a network interface, a 485 interface, a wireless transmission module, an external audio input / output interface and a trigger signal device for facilitating connection with external equipment. The trigger signal device can be a manual switch, an infrared, Bluetooth or other sensing device, which improves the flexibility of the use of the whole device, the device of the utility model supports RS485 / IO / low level / 4G / LAN protocol, supports intelligent remote broadcast control, and is convenient to manage; supports equipment management / state monitoring / remote shouting / TTS text-to-speech / task management / alarm management and the like, and has rich functions.

[0030] The circuit board assembly 5 and the directional horn power amplifier adopt DC 24V input voltage. The bottom plate 2 is further fixed with an incoming and outgoing line column 7 for facilitating connection of external lines with the circuit board assembly 5. Two hanging plates 6 are symmetrically arranged on the back of the casing, and a plurality of long strip-shaped hanging holes 61 are arranged on the hanging plates 6 at intervals. The arrangement of the hanging plates can improve the installation convenience of the whole device.

[0031]

[0032] ​The device is integrally designed (with built-in circuit board assembly and directional loudspeaker, and directional loudspeakers are arranged on three surfaces of the shell), convenient to install, and simple to use; three independent three-dimensional sound outputs are realized, the sound field coverage area is large, and the sound transmission distance is farther; and the device is particularly suitable for high-speed main line measurement and early warning, black point accident road section early warning, tunnel entrance early warning and the like.

[0033] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application. Those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application without departing from the principles and purposes of the present application. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments still belongs to the scope of the technical scheme of the present application.

Claims

1. A multi-directional pyramidal sound wave speaker, characterized by: The shell comprises a shell and a circuit board assembly (5) and directional loudspeakers (4) arranged in the shell, the directional loudspeakers (4) are respectively fixed on three sides of the shell, and the three sides of the shell are all mesh plates (11), the circuit board assembly (5) is fixed on another side in the shell, the circuit board assembly (5) comprises a master control module, a sound processing module and a directional loudspeaker power amplifier, the master control module transmits an audio signal to the sound processing module, the sound processing module transmits the audio signal to the directional loudspeaker power amplifier, and then drives the directional loudspeakers (4) to sound.

2. A multi-directional prismatic sound wave sounder according to claim 1, wherein, The shell comprises a shell (1) and a bottom plate (2), a side plate (3) is enclosed around the outer edge of the bottom plate (2), the directional loudspeakers (4) and the circuit board assembly (5) are respectively fixed on the corresponding side plates (3), the shell (1) is fixed on the bottom plate (2) and located outside the side plates (3).

3. A multi-directional prismatic sound wave speaker according to claim 2, wherein, The plurality of side plates (3) enclose a columnar shape with a trapezoidal horizontal cross section, and the plurality of directional loudspeakers (4) are respectively fixed on the side plates (3) of the upper base and two side waists of the trapezoid, and the shell (1) also has a columnar shape with a trapezoidal horizontal cross section.

4. A multi-directional prismatic sound wave sounder according to claim 2, wherein, The bottom plate (2) is also fixed with an access line column (7) for facilitating the connection between external lines and the circuit board assembly (5).

5. A multi-directional prismatic sound wave sounder according to claim 1, wherein, The circuit board assembly (5) is also provided with a network interface, a 485 interface, an external audio input / output interface and a trigger signal device for facilitating the connection with external equipment.

6. A multi-directional prismatic sound wave sounder according to claim 1, wherein, The circuit board assembly (5) and the directional loudspeaker power amplifier adopt a DC 24V input voltage.

7. A multi-directional prismatic sound wave sounder according to claim 1, wherein, Two hanging plates (6) are symmetrically arranged on the back of the shell, and a plurality of long strip-shaped hanging holes (61) are arranged on the hanging plates (6) at intervals.

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