CN219697820U - Directional sound warning device - Google Patents
Directional sound warning device Download PDFInfo
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- CN219697820U CN219697820U CN202320584060.7U CN202320584060U CN219697820U CN 219697820 U CN219697820 U CN 219697820U CN 202320584060 U CN202320584060 U CN 202320584060U CN 219697820 U CN219697820 U CN 219697820U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005286 illumination Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses a directional sound warning device which comprises an electric tripod head, wherein a directional sound production assembly is arranged on the electric tripod head, the directional sound production assembly comprises a shell, a directional sound production plate is arranged in the shell, a circular sound production opening is formed in the front end of the shell, a first sound transmission net and a second sound transmission net are arranged at the front end of the shell, the arrangement modes of sound transmission holes in the first sound transmission net and the second sound transmission net are consistent, the first sound transmission net is fixedly connected to the shell, the second sound transmission net is abutted to the inner side surface of the first sound transmission net, and the directional sound production assembly further comprises a control structure for controlling the second sound transmission net to rotate circumferentially so as to control the superposition state of the sound transmission holes in the first sound transmission net and the second sound transmission net. The utility model aims to solve the technical problems in the prior art and provides a directional sound warning device which has good waterproof and dustproof effects and can prolong the service life of a directional sound board.
Description
Technical Field
The utility model relates to the technical field of directional sounding, in particular to a directional sound warning device.
Background
The sound emitting surface of the existing audio directional loudspeaker is directly encapsulated by a metal net, sound transmitting holes are densely distributed on the metal net, and the structure is found in the use process: the single metal mesh is waterproof because of the existence of the sound transmission holes, so that the service life of the loudspeaker is not influenced, and although the technical scheme for solving the waterproof problem by using the waterproof sound transmission piece exists in the market, the waterproof sound transmission piece can influence the penetrating power of sound more or less, so that the warning effect is influenced.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to solve the technical problems in the prior art and provides a directional sound warning device which has good waterproof and dustproof effects and can prolong the service life of a directional sound board.
2. Technical proposal
In order to solve the problems, the technical scheme provided by the utility model is as follows:
the utility model provides a directional sound warning device, includes electronic cloud platform, install directional sound production subassembly on the electronic cloud platform, directional sound production subassembly includes the casing, install directional sound production board in the casing, circular shape sound production mouth has been seted up to the front end of casing and first sound transmission net and second sound transmission net are installed, first sound transmission net with the mode of arranging of the sound transmission hole on the second sound transmission net is unanimous, first sound transmission net link firmly in on the casing, second sound transmission net butt in on the medial surface of first sound transmission net, directional sound production subassembly is still including being used for control second sound transmission net circumferential rotation's control structure, in order to control first sound transmission net with the coincide state of the sound transmission hole on the second sound transmission net.
Optionally, the control structure includes a gear ring fixedly connected to the second sound-transmitting net; the gear is meshed with the gear ring for transmission; and the motor is used for controlling the rotation of the gear.
Optionally, the diameter of the gear ring is identical to the diameter of the second sound-transmitting mesh.
Optionally, the directional sound warning device further comprises a limiting structure for limiting the rotation angle of the second sound-transmitting net.
Optionally, the limiting structure comprises a limiting column fixedly connected to the inner side surface of the first sound-transmitting net and a limiting groove arranged on the second sound-transmitting net, the limiting column is movably assembled in the limiting groove, and when the limiting column is positioned at one end of the limiting groove, sound-transmitting holes on the first sound-transmitting net and the second sound-transmitting net are staggered; when the limit column is positioned at the other end of the limit groove, the sound transmission holes of the first sound transmission net and the second sound transmission net coincide.
Optionally, the limiting structure includes a limiting post fixedly connected to the outer side surface of the second sound-transmitting net, and a limiting groove arranged on the first sound-transmitting net, the limiting post is movably assembled in the limiting groove, and when the limiting post is positioned at one end of the limiting groove, sound-transmitting holes on the first sound-transmitting net and the second sound-transmitting net are dislocated; when the limit column is positioned at the other end of the limit groove, the sound transmission holes of the first sound transmission net and the second sound transmission net coincide.
Optionally, an image pickup module is arranged on the shell.
Optionally, a lighting module is disposed on the housing.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
the directional sound warning device can ensure the effect of directional sound production, can play a good role in preventing water and dust, prolongs the service life of the directional sound production plate, and is particularly suitable for construction sites with severe environments.
Drawings
FIG. 1 is a schematic structural diagram of a directional acoustic warning device according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a directional acoustic warning device according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a second sound-transmitting net in the directional sound warning device according to the embodiment of the present utility model;
1. an electric cradle head; 2. a housing; 3. a directional sounding board; 4. a first acoustically transparent screen; 5. a second sound-transmitting mesh; 6. a gear ring; 7. a gear; 8. a motor; 9. a limit column; 10. a limit groove; 11. and an image pickup module.
Detailed Description
The present utility model will be further described in detail with reference to the drawings and the detailed description, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the detailed description and specific examples are intended for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted," "positioned," "secured" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as being "fixedly connected" to another element, the two elements may be fixed by a detachable connection manner, or may be fixed by a non-detachable connection manner, such as sleeving, clamping, integrally forming, or welding, which may be implemented in the prior art, and thus, the description is not further omitted. When an element is perpendicular or nearly perpendicular to another element, it is meant that the ideal conditions for both are perpendicular, but certain vertical errors may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" as used herein do not denote a particular quantity or order, but rather are used to distinguish one element from another.
Referring to fig. 1-3, the directional sounding alarm device of this embodiment includes an electric tripod head 1, a directional sounding component is installed on the electric tripod head 1, the electric tripod head 1 can control the directional sounding component to rotate horizontally by 360 degrees and pitch vertically by 90 degrees, so as to control the directional sounding component to emit sound in different directions, the directional sounding component includes a housing 2, the housing 2 is fixedly installed on a movable arm of the electric tripod head 1, a directional sounding board 3 is installed in the housing 2, the sound emitted by the directional sounding board 3 has strong directivity, can realize accurate shouting of a designated area, has a long transmission distance, can realize long-distance shouting, a circular sounding port is formed at the front end of the housing 2, and a first sound-transmitting net 4 and a second sound-transmitting net 5 are installed, the first sound-transmitting net 4 and the second sound-transmitting net 5 are circular net plates, the arrangement modes of the sound-transmitting holes on the first sound-transmitting net 4 and the second sound-transmitting net 5 are consistent, the arrangement modes refer to the arrangement positions of the sound-transmitting holes, gaps, the arrangement quantity, aperture and the like, in general, the first sound-transmitting net 4 and the second sound-transmitting net 5 are two same net plates, the first sound-transmitting net 4 is fixedly connected to the shell 2, the second sound-transmitting net 5 is abutted to the inner side surface of the first sound-transmitting net 4, the outer peripheral wall of the second sound-transmitting net 5 is abutted to the inner peripheral wall of the shell 2, the directional sound-generating assembly further comprises a control structure for controlling the circumferential rotation of the second sound-transmitting net 5 so as to control the superposition state of the sound-transmitting holes on the first sound-transmitting net 4 and the second sound-transmitting net 5, the sound transmission holes on the first sound transmission net 4 and the second sound transmission net 5 are overlapped, so that the penetrating power and the propagation distance of sound are ensured; when the orientation is not needed, the sound transmission holes on the first sound transmission net 4 and the second sound transmission net 5 are staggered, and at this time, the inner wall of the shell 2 is not communicated with the outside, so that external rainwater and dust can be prevented from entering the shell 2, and the orientation sounding board 3 is effectively protected.
The directional sound warning device can ensure the effect of directional sound production, can play a good role in preventing water and dust, prolongs the service life of the directional sound production plate 3, and is particularly suitable for construction sites with severe environments.
As an alternative scheme of the utility model, the control structure comprises a gear ring 6, which is fixedly connected to the second sound-transmitting net 5 in an adhesive manner, and a tooth slot is arranged on the inner ring of the gear ring 6; the gear 7 is meshed with a tooth slot on the gear ring 6 for transmission; the motor 8 is used for controlling the gear 7 to rotate, the motor 8 is arranged in the shell 2, an output shaft of the motor 8 is fixedly connected with the gear 7, and the motor 8 can control the second sound-transmitting net 5 to rotate; in this embodiment, the diameter of the gear ring 6 is identical to the diameter of the second sound-transmitting mesh 5, that is, the gear ring 6 is disposed at the outer edge of the second sound-transmitting mesh 5, so as to reduce the influence on the sound effect, and no sound-transmitting holes are formed at the outer edge of the second sound-transmitting mesh 5.
As an alternative scheme of the present utility model, in order to more precisely control the superposition state of the sound transmission holes on the first sound transmission net 4 and the second sound transmission net 5, and ensure that the sound transmission holes are fully opened or fully closed, the directional sound warning device further includes a limiting structure for limiting the rotation angle of the second sound transmission net 5, specifically, the limiting structure includes a limiting post 9 fixedly connected to the inner side surface of the first sound transmission net 4, and a limiting groove 10 disposed on the second sound transmission net 5, where the limiting groove 10 is an arc-shaped groove disposed along the circumferential direction of the second sound transmission net 5, the limiting post 9 is movably assembled in the limiting groove 10, and when the limiting post 9 is located at one end of the limiting groove 10, the sound transmission holes on the first sound transmission net 4 and the second sound transmission net 5 are dislocated; when the limiting column 9 is positioned at the other end of the limiting groove 10, the sound transmission holes on the first sound transmission net 4 and the second sound transmission net 5 are overlapped, and when the second sound transmission net 5 rotates, the limiting column 9 is in contact with the end of the limiting groove 10, and the limiting column 9 is arranged on the inner side surface of the first sound transmission net 4, so that the outside is not provided with a limiting structure, the appearance is attractive, and the waterproof and dustproof effects are ensured; however, in other embodiments, the limiting posts 9 may be disposed on the outer side surface of the second sound-transmitting net 5, and in this case, the limiting grooves 10 are formed on the first sound-transmitting net 4, and the limiting structure can be seen from the outside.
As an alternative of the present utility model, the casing 2 is provided with a camera module 11 and an illumination module, the camera module 11 is used for monitoring, and the illumination module is used for performing a night illumination function and emitting illumination light to a shouting area when shouting, so that people in the area can know that shouting is performed towards the area.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (8)
1. A directional acoustic warning device, characterized by: including electronic cloud platform, install directional sound production subassembly on the electronic cloud platform, directional sound production subassembly includes the casing, install directional sound production board in the casing, circular shape sound production mouth has been seted up to the front end of casing and first sound transmission net and second sound transmission net are installed, first sound transmission net with the mode of arranging of the sound transmission hole on the second sound transmission net is unanimous, first sound transmission net link firmly in on the casing, second sound transmission net butt in on the medial surface of first sound transmission net, directional sound production subassembly is still including being used for control second sound transmission net circumference rotatory control structure, in order to control first sound transmission net with the coincide state of the sound transmission hole on the second sound transmission net.
2. A directional acoustic warning device in accordance with claim 1, characterized in that: the control structure comprises
The gear ring is fixedly connected to the second sound-transmitting net;
the gear is meshed with the gear ring for transmission;
and the motor is used for controlling the rotation of the gear.
3. A directional acoustic warning device in accordance with claim 2, characterized in that: the diameter of the gear ring is consistent with the diameter of the second sound-transmitting net.
4. A directional acoustic warning device in accordance with claim 1, characterized in that: the directional sound warning device further comprises a limiting structure used for limiting the rotation angle of the second sound-transmitting net.
5. A directional acoustic warning device in accordance with claim 4, characterized in that: the limiting structure comprises a limiting column fixedly connected to the inner side surface of the first sound-transmitting net and a limiting groove arranged on the second sound-transmitting net, wherein the limiting column is movably assembled in the limiting groove, and when the limiting column is positioned at one end of the limiting groove, sound-transmitting holes on the first sound-transmitting net and the second sound-transmitting net are staggered; when the limit column is positioned at the other end of the limit groove, the sound transmission holes of the first sound transmission net and the second sound transmission net coincide.
6. A directional acoustic warning device in accordance with claim 4, characterized in that: the limiting structure comprises a limiting column fixedly connected to the outer side face of the second sound-transmitting net and a limiting groove arranged on the first sound-transmitting net, wherein the limiting column is movably assembled in the limiting groove, and when the limiting column is positioned at one end of the limiting groove, sound-transmitting holes of the first sound-transmitting net and sound-transmitting holes of the second sound-transmitting net are staggered; when the limit column is positioned at the other end of the limit groove, the sound transmission holes of the first sound transmission net and the second sound transmission net coincide.
7. A directional acoustic warning device in accordance with any one of claims 1 to 6, characterized in that: the shell is provided with a camera module.
8. A directional acoustic warning device in accordance with any one of claims 1 to 6, characterized in that: the shell is provided with a lighting module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584060.7U CN219697820U (en) | 2023-03-23 | 2023-03-23 | Directional sound warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320584060.7U CN219697820U (en) | 2023-03-23 | 2023-03-23 | Directional sound warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219697820U true CN219697820U (en) | 2023-09-15 |
Family
ID=87938540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320584060.7U Active CN219697820U (en) | 2023-03-23 | 2023-03-23 | Directional sound warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219697820U (en) |
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2023
- 2023-03-23 CN CN202320584060.7U patent/CN219697820U/en active Active
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