CN210405647U

CN210405647U - Novel explosion-proof bugle

Info

Publication number: CN210405647U
Application number: CN201921962604.9U
Authority: CN
Inventors: 王理想; 王文星; 王明用; 赖福生; 蔡港美; 谢建省
Original assignee: Guangzhou Shengxun Electronic Technology Co ltd
Current assignee: Guangzhou Shengxun Electronic Technology Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-04-24
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a novel explosion-proof horn, which comprises a horn component, a sounding component, a transformer and a shell component; the horn component comprises a first-stage horn, a second-stage horn, a third-stage horn and a horn bracket, wherein the first-stage horn is arranged in the middle of the inside of the second-stage horn, and the second-stage horn is arranged in the inside of the third-stage horn; the bottoms of the first-stage horn and the second-stage horn are fixedly connected to the upper surface of the horn support, and the horn support is arranged inside the third-stage horn and is fixedly connected with the shell component through the bottom of the third-stage horn; the shell assembly comprises an explosion-proof shell, the sound production assembly and the transformer are arranged in the explosion-proof shell, and the transformer is arranged below the bottom of the sound production assembly; the sounding component comprises a sound chamber cover, a loudspeaker unit and a sound chamber shell. The utility model discloses can effectively avoid current bugle sound penetrating power to hang down, propagation distance is not far enough, the relatively poor problem of explosion-proof effect to improve the propagation efficiency of sound, prolong the propagation distance of sound.

Description

Novel explosion-proof bugle

Technical Field

The utility model relates to a bugle, concretely relates to novel explosion-proof bugle.

Background

The horn loudspeaker is mainly used as a sound source and is applied to places such as subways, tunnels and the like. The explosion-proof horn specially used for inflammable and explosive workplaces in the current market has the defects that output sound is not clear, the sound is hardly heard clearly especially when the horn is used in a special high-noise environment state, the penetrating power of the sound is not strong, the propagation distance is not far enough, the ideal sound transmission effect is difficult to achieve, and meanwhile, the explosion-proof horn is used as electrical equipment used in inflammable and explosive places and also needs to avoid the adverse effect that the potential safety hazard of the horn per se can possibly generate on the working environment. Therefore, it is necessary to find an explosion-proof horn with better explosion-proof effect and high sound transmission efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel explosion-proof horn, it is low to solve current horn sound penetrating power, and the propagation distance scheduling problem far away inadequately improves the propagation efficiency of sound, prolongs the propagation distance of sound.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a novel explosion-proof horn comprises a horn component, a sounding component, a transformer and a shell component; the horn component comprises a primary horn, a secondary horn, a tertiary horn and a horn bracket, wherein the primary horn is arranged in the middle of the inside of the secondary horn, and the secondary horn is arranged in the inside of the tertiary horn; the bottoms of the first-stage horn and the second-stage horn are fixedly connected to the upper surface of the horn support, and the horn support is arranged inside the third-stage horn and is fixedly connected with the shell assembly through the bottom of the third-stage horn; the shell component comprises an explosion-proof shell, the sound production component and the transformer are both arranged in the explosion-proof shell, and the transformer is arranged below the bottom of the sound production component; the sounding component comprises a sound chamber cover, a loudspeaker unit and a sound chamber shell; the loudspeaker unit is fixedly arranged in the sound chamber shell, and the sound chamber cover is fixedly covered on the top of the sound chamber shell.

Further, the housing assembly further comprises a housing cover; the top of the explosion-proof shell is fixedly covered with the shell cover; the horn support passes through the bottom of tertiary horn with shell cover fixed connection.

Further, the middle part of sound chamber lid is provided with the protrusion through-hole, the middle part of shell lid is provided with shell lid through-hole, the protrusion through-hole corresponds with the position of shell lid through-hole. The protruding through-hole and the case cover through-hole are used for the efficiency of sound transmission.

Further, the shell assembly further comprises a waterproof gasket, the waterproof gasket is matched with the surface of the top of the explosion-proof shell, the outer diameter of the shell cover is consistent with the outer diameter of the waterproof gasket, and the periphery of the shell cover is fixedly connected with the top of the shell cover through the waterproof gasket. The waterproof gasket is used for preventing external moisture from permeating into the explosion-proof shell, and potential safety hazards are avoided.

Furthermore, the shell component also comprises a U-shaped support, two sides of an opening of the U-shaped support are fixedly connected with the outside of the explosion-proof shell, and the explosion-proof shell is positioned in the opening of the U-shaped support. U type support is used for stably placing novel explosion-proof bugle conveniently takes and the wall built-up.

Furthermore, a wire outlet is fixedly connected to the explosion-proof housing and used for connecting a power supply.

The beneficial effects of the utility model reside in that: the problems that the sound penetrating power of the existing horn is low, the propagation distance is not far enough, and the explosion-proof effect is poor can be effectively solved, so that the sound propagation efficiency is improved, the sound propagation distance is prolonged, the potential safety hazard which can be generated in the use process of the horn is avoided through a simple structure which is easy to assemble, and the use safety of the horn is improved.

Drawings

Fig. 1 is an exploded view of the embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, and it should be noted that the following embodiments are based on the technical solution, and the detailed embodiments and the specific operation processes are provided, but the protection scope of the present invention is not limited to the embodiments.

As shown in fig. 1, a novel explosion-proof horn comprises a horn component, a sounding component, a transformer and a shell component; the horn component comprises a primary horn, a secondary horn, a tertiary horn and a horn bracket, wherein the primary horn is arranged in the middle of the inside of the secondary horn, and the secondary horn is arranged in the inside of the tertiary horn; the bottoms of the first-stage horn and the second-stage horn are fixedly connected to the upper surface of the horn support, and the horn support is arranged inside the third-stage horn and is fixedly connected with the shell assembly through the bottom of the third-stage horn; the shell component comprises an explosion-proof shell, the sound production component and the transformer are both arranged in the explosion-proof shell, and the transformer is arranged below the bottom of the sound production component; the sounding component comprises a sound chamber cover, a loudspeaker unit and a sound chamber shell; the loudspeaker unit is fixedly arranged in the sound chamber shell, and the sound chamber cover is fixedly covered on the top of the sound chamber shell.

In the above-mentioned novel explosion-proof horn, one-level horn and second grade horn are used for concentrating the follow the sound that sound production subassembly transmitted, tertiary horn is used for direction and diffusion the sound that transmits in one-level horn and the second grade horn. The directivity of sound can be enhanced by using the horn for sound transmission, so that the sound brightness of the sound can be enhanced, the sound transmission by using 3 horns can ensure that the sound has longer transmission distance and strong penetrating power, and the output sound can be clear under a special high-noise environment;

set up comparatively independent sound production subassembly, the major structure loudspeaker unit who is responsible for the sound production set up in the sound room shell, can avoid the inside dust of explosion-proof housing or other structures have further guaranteed the sound production effect to its influence that causes, have also avoided the collision between the structure to a certain extent, have reduced the possibility that the potential safety hazard produced.

The explosion-proof shell is used for assembly, so that the explosion-proof shell can be used in flammable and explosive operation places more safely; through the disposable fixed connection of horn support one-level horn, second grade horn and tertiary horn, simple structure, the equipment is convenient, and the controllability is higher, can further avoid because of the easy potential safety hazard that produces of complicated structure, prevents to lead to the operation environment to explode because of the problem of equipment itself.

Further, the housing assembly further comprises a housing cover; the shell cover is matched with the top of the explosion-proof shell, and the shell cover is fixedly covered on the top of the explosion-proof shell; the horn support passes through the bottom of tertiary horn with shell cover fixed connection. The shell cover is convenient to assemble and disassemble, and the horn support is more stable to install.

Further, the middle part of sound chamber lid is provided with the protrusion through-hole, the middle part of shell lid is provided with shell lid through-hole, the protrusion through-hole corresponds with the position of shell lid through-hole. The protruding through holes and the shell cover through holes are used for concentrating the sound transmitted by the horn unit, so that the sound effect can reach the horn assembly more intensively, the horn assembly can diffuse the sound outwards, and the sound transmission efficiency in the process is improved.

In this embodiment, the above-mentioned members may be connected to each other by a member such as a screw. The top of second grade horn can be pasted the labeling, it is right novel explosion-proof bugle is discerned.

Examples

The working principle of the novel explosion-proof horn is as follows: the novel explosion-proof horn that will assemble is fixed in the operation region, through the outlet is connected the power, loudspeaker unit sound production, through protrusion through-hole and shell lid through-hole transmit sound extremely in the horn subassembly, the horn subassembly will have the sound diffusion of penetrating power away.

Various corresponding changes and modifications can be made by those skilled in the art according to the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.

Claims

1. A novel explosion-proof horn comprises a horn component, a sounding component, a transformer and a shell component; the horn assembly is characterized by comprising a first-stage horn, a second-stage horn, a third-stage horn and a horn bracket, wherein the first-stage horn is arranged in the middle of the inside of the second-stage horn, and the second-stage horn is arranged in the inside of the third-stage horn; the bottoms of the first-stage horn and the second-stage horn are fixedly connected to the upper surface of the horn support, and the horn support is arranged inside the third-stage horn and is fixedly connected with the shell assembly through the bottom of the third-stage horn; the shell assembly comprises an explosion-proof shell, the sound production assembly and the transformer are both arranged in the explosion-proof shell, and the transformer is arranged below the bottom of the sound production assembly; the sounding component comprises a sound chamber cover, a loudspeaker unit and a sound chamber shell; the loudspeaker unit is fixedly arranged in the sound chamber shell, and the sound chamber cover is fixedly covered on the top of the sound chamber shell.

2. The novel explosion proof horn of claim 1, wherein said housing assembly further comprises a housing cover; the shell cover is matched with the top of the explosion-proof shell, and the shell cover is fixedly covered on the top of the explosion-proof shell; the horn support passes through the bottom of tertiary horn with shell cover fixed connection.

3. The novel explosion-proof horn according to claim 1, wherein the middle part of the sound chamber cover is provided with a protruding through hole, the middle part of the housing cover of the housing assembly is provided with a housing cover through hole, and the protruding through hole corresponds to the position of the housing cover through hole.

4. The novel explosion-proof horn of claim 2, wherein said housing assembly further comprises a waterproof gasket, said waterproof gasket is fitted to the surface of the top of said explosion-proof housing, the outer diameter of said housing cover is identical to the outer diameter of said waterproof gasket, and the periphery of said housing cover is fixedly connected to the top of said housing cover through said waterproof gasket.

5. The novel explosion-proof horn according to claim 1, wherein said housing assembly further comprises a U-shaped bracket, both sides of the opening of said U-shaped bracket are fixedly connected with the outside of said explosion-proof housing, and said explosion-proof housing is located in the opening of said U-shaped bracket.

6. The novel explosion-proof clarion according to claim 1, characterized in that a wire outlet is fixedly connected to the explosion-proof housing.