CN210781350U

CN210781350U - Intelligent public address set that uses of multi-media audio frequency and video

Info

Publication number: CN210781350U
Application number: CN202020035686.9U
Authority: CN
Inventors: 李晓东
Original assignee: Inner Mongolia Xuncon Electronic Technology Co Ltd
Current assignee: Inner Mongolia Xuncon Electronic Technology Co Ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2020-06-16
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a public address set is used in multimedia audio frequency and video intellectuality, the camera includes a supporting plate, the center of backup pad is provided with logical groove, the bottom edge of backup pad is provided with the support column, the bottom of backup pad is provided with elevating gear, elevating gear runs through the backup pad extends to the top of backup pad, one side of elevating gear is provided with horizontal rotation device, elevating gear's top is provided with vertical rotary device, vertical rotary device's top is provided with the sound amplification cover. Has the advantages that: the utility model can align the direction of the sound amplifying cover to the audiences at different positions by matching the horizontal rotating device, the lifting device and the vertical rotating device, thereby achieving the best playing volume and effect and further increasing the application range of the equipment; by arranging the noise filter, the played sound can be more crisp; through setting up the spring to reduce vertical rotary device vibration damage in the motion process.

Description

Intelligent public address set that uses of multi-media audio frequency and video

Technical Field

The utility model relates to a multimedia audio and video equipment technical field particularly, relates to a public address set is used in multimedia audio and video intellectuality.

Background

With the digitization of video and audio formats and the enhancement of hardware technologies, multimedia communication equipment can not only provide the communication requirements of users, but also provide the playing of sound and images.

Multimedia sound playing equipment can be used in different places, and due to the fact that the sound propagation direction is wide, even if the volume is adjusted to the maximum, the best playing effect of the equipment cannot be achieved. For example, chinese patent No. CN209517513U discloses a public address set for multimedia audio and video intellectualization, including being provided with servo motor, carousel and slipmat, drive multimedia sound playback device on the carousel through servo motor and rotate, make public address cover towards the audience direction of sound, can reach the best play effect of equipment, but in some occasions, sound audience can be in the vertical direction with the inconsistent condition of public address set's export orientation, rotate through the horizontal direction this moment, can't reach best play effect.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a public address set is used in the intellectuality of multimedia audio frequency and video to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a public address set is used in intelligence of multi-media audio frequency and video, includes the backup pad, the center of backup pad is provided with logical groove, the bottom edge of backup pad is provided with the support column, the bottom of backup pad is provided with elevating gear, elevating gear run through the backup pad extends to the top of backup pad, one side of elevating gear is provided with horizontal rotation device, elevating gear's top is provided with vertical rotary device, vertical rotary device's top is provided with the sound cover that expands.

Furthermore, in order to filter the sound transmitted after the sound passes through the sound amplifying cover, the sound played is more crisp and the noise is reduced, and a noise filter is arranged in the sound amplifying cover.

Furthermore, in order to enable the sound amplifying cover to move in the vertical direction, so that the direction of the sound amplifying cover can be aligned to an audience with the sound amplifying cover not in the same horizontal position, the best playing volume and effect can be achieved, and the application range of the equipment is further enlarged.

Further, in order to enable the sound amplifying cover to rotate in the horizontal direction, the direction of the sound amplifying cover can be aligned to the audience which is not in the same direction with the sound amplifying cover, the best playing volume and effect are achieved, the application range of the equipment is further increased, the horizontal rotating device comprises a motor II which is arranged on the side wall of the support, a belt pulley I is sleeved on an output shaft of the motor II, a belt pulley II is arranged on the connecting block, the belt pulley I is connected with the belt pulley II through a belt, the top end of the belt pulley II is provided with a connecting rod, a sliding groove II is arranged in the connecting rod, and a supporting rod is arranged in the sliding groove II.

Further, in order to be able to turn the sound-diffusing cover in a vertical direction, so that the direction of the sound-diffusing cover can be directed towards a listener in a too high or too low position, thereby increasing the application range of the equipment, the vertical rotating device comprises a second bracket arranged at the top end of the lifting device, the bottom end of the second bracket is provided with a bearing, the bearing is connected with the sliding block, the bottom end of the second bracket is connected with the supporting rod, a motor III is arranged on the side wall of the bracket II, a telescopic connecting rod is arranged at the top end of the bracket II, one end of the telescopic connecting rod is respectively connected with the output shaft of the motor III and the bottom end of the sound amplifying cover, the other end of the telescopic connecting rod is connected with one end of a first connecting rod and one end of a second connecting rod respectively, the other end of the first connecting rod is connected with the side wall of the second support, and the other end of the second connecting rod is connected with the middle end of the sound amplification cover.

Furthermore, in order to provide buffer protection in the up-and-down movement process of the vertical rotating device and the sound amplifying cover, further reduce vibration damage of the vertical rotating device in the movement process and prolong the service life of the equipment, a spring is arranged between the second support and the support plate.

The utility model has the advantages that:

(1) the utility model discloses a set up horizontal rotation device, thereby can make the diffusion cover rotate at the horizontal direction, through setting up elevating gear, thereby can make the diffusion cover remove in vertical direction, through setting up vertical rotary device, thereby can aim at the direction of diffusion cover the audience of too high or low position excessively, through horizontal rotation device, elevating gear and vertical rotary device's cooperation is used, can aim at the direction of diffusion cover not co-altitude, the audience of direction, reach best broadcast volume and effect, and then increased the application scope of equipment.

(2) By arranging the noise filter, after the sound passes through the sound amplifying cover, the transmitted sound can be filtered, so that the played sound is more crisp and the noise is reduced; through setting up the spring to provide the buffering protection at vertical rotary device and public address cover at the in-process of up-and-down motion, and then reduce the vibration damage of vertical rotary device in the motion process, increased the life of equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multimedia audio/video intelligent sound amplifying device according to an embodiment of the present invention;

fig. 2 is a partial enlarged view at a of fig. 1;

fig. 3 is a schematic structural diagram of a sound amplifying cover of a sound amplifying device for multimedia audio and video intellectualization according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connecting rod and a supporting rod of a multimedia audio and video intelligent audio amplification device according to the embodiment of the present invention.

In the figure:

1. a support plate; 2. a lifting device; 201. a first bracket; 202. a first motor; 203. a first bevel gear; 204. a second bevel gear; 205. connecting blocks; 206. a first sliding chute; 207. a slider; 208. a screw rod; 3. a horizontal rotation device; 301. a second motor; 302. a first belt pulley; 303. a second belt pulley; 304. a belt; 305. a connecting rod; 306. a second chute; 307. a support bar; 4. a vertical rotation device; 401. a second bracket; 402. a bearing; 403. a third motor; 404. a telescopic connecting rod; 405. a first connecting rod; 406. a second connecting rod; 5. a sound amplification cover; 6. a noise filter; 7. a spring; 8. a through groove; 9. and (4) a support column.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a public address set is used in multimedia audio frequency and video intellectuality.

Now combine the attached drawings and detailed description to explain the utility model further, as shown in fig. 1-4, according to the utility model discloses a public address set for multimedia audio and video intellectuality, including backup pad 1, the center of backup pad 1 is provided with logical groove 8, the bottom edge of backup pad 1 is provided with support column 9, the bottom of backup pad 1 is provided with elevating gear 2, running through of elevating gear 2 backup pad 1 extends to the top of backup pad 1, one side of elevating gear 2 is provided with horizontal rotation device 3, the top of elevating gear 2 is provided with vertical rotary device 4, the top of vertical rotary device 4 is provided with diffusion cover 5.

By means of the scheme, the utility model discloses a cooperation of horizontal rotating device, elevating gear and vertical rotating device is used, can aim at the listener of different positions with the direction of expanding sound cover, reaches best broadcast volume and effect, and then has increased the application scope of equipment; by arranging the noise filter, the played sound can be more crisp; through setting up the spring to reduce vertical rotary device vibration damage in the motion process.

In one embodiment, for the sound diffusion cover 5, the noise filter 6 is arranged inside the sound diffusion cover 5, so that after sound passes through the sound diffusion cover 5, the sound transmitted from the sound diffusion cover can be filtered, the played sound is more crisp, and noise is reduced.

In one embodiment, for the above lifting device 2, the lifting device 2 comprises a first support 201 arranged at the bottom end of the support plate 1, a first motor 202 is arranged at one side inside the first support 201, a first bevel gear 203 is arranged on an output shaft of the first motor 202, a second bevel gear 204 matched with the first bevel gear 203 is arranged at the top end inside the first support 201, a connecting block 205 is arranged at the top end of the second bevel gear 204, a first chute 206 is arranged inside the connecting block 205, a sliding block 207 is arranged in the first chute 206, the sliding block 207 extends to the top end of the support plate 1, the sliding block 207 is connected with a screw rod 208, the bottom end of the screw rod 208 is connected with the top end of the second bevel gear 204, so that the sound-amplifying cover can move in the vertical direction, and therefore, the direction of the sound-amplifying cover 5 can be aligned to a listener with a horizontal position different from the horizontal position, the optimal playing volume and effect are achieved, and the application range of the equipment is further increased.

In an embodiment, for the above horizontal rotation device 3, the horizontal rotation device 3 includes a second motor 301 disposed on the side wall of the first bracket 201, a first pulley 302 is sleeved on an output shaft of the second motor 301, a second pulley 303 is disposed on the connecting block 205, the first pulley 302 is connected to the second pulley 303 through a belt 304, a connecting rod 305 is disposed at the top end of the second pulley 303, a second chute 306 is disposed in the connecting rod 305, and a supporting rod 307 is disposed in the second chute 306, so that the sound amplifying cover 5 can rotate in the horizontal direction, and the direction of the sound amplifying cover 5 can be aligned to a listener with the sound amplifying cover not in the same direction, thereby achieving the best playing volume and effect, and further increasing the application range of the device.

In one embodiment, for the vertical rotation device 4, the vertical rotation device 4 includes a second bracket 401 disposed at the top end of the lifting device 2, a bearing 402 is disposed at the bottom end of the second bracket 401, the bearing 402 is connected to the slider 207, the bottom end of the second bracket 401 is connected to the support rod 307, a third motor 403 is disposed on the side wall of the second bracket 401, an expansion link 404 is disposed at the top end of the second bracket 401, one end of the expansion link 404 is connected to the output shaft of the third motor 403 and the bottom end of the sound expansion cover 5, the other end of the expansion link 404 is connected to one end of a first link 405 and one end of a second link 406, the other end of the first link 405 is connected to the side wall of the second bracket 401, and the other end of the second link 406 is connected to the middle end of the sound expansion cover 5, so as to enable the sound expansion cover 5 to rotate in the vertical direction, so that the direction of the sound-amplifying enclosure 5 can be directed towards a listener in a too high or too low position, thereby increasing the applicability of the device.

In one embodiment, for the second bracket 401, the spring 7 is arranged between the second bracket 401 and the supporting plate 1, so that buffer protection is provided during the vertical rotating device 4 and the loudspeaker cover 5 move up and down, vibration damage of the vertical rotating device 4 during movement is reduced, and the service life of the equipment is prolonged.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when a listener and a public address cover are in the same horizontal direction but different in orientation, the second motor 301 is started through an external power supply, the second motor 301 drives the first belt pulley 302 to rotate, the first belt pulley 302 drives the second belt pulley 303, the vertical rotating device 4 and the public address cover 5 to rotate in the horizontal direction to reach the direction of the listener, when the listener and the public address cover are not in the same horizontal direction, the first motor 202 is started through the external power supply, the first motor 202 drives the first bevel gear 203 to rotate through the output shaft, the first bevel gear 203 drives the second bevel gear 204 to rotate, the second bevel gear 204 drives the screw rod 208 to rotate, so that the sliding block 207 moves up and down in the first sliding groove 206, the public address cover 5 is aligned with the listener after reaching the same horizontal line with the listener, when the position of the listener is too high or too low, the third motor 403 is started, and the third motor 403 makes the telescopic connecting, under the combined action of the telescopic link 404 and the second link 406, the sound amplifying cover 5 is rotated in the vertical direction, so that the sound amplifying cover can be aimed at a listener positioned too high or too low.

To sum up, with the help of the above technical scheme of the utility model, through setting up horizontal rotation device 3, thereby can make the sound amplifying cover 5 rotate at the horizontal direction, through setting up elevating gear 2, thereby can make sound amplifying cover 5 remove at vertical direction, through setting up vertical rotation device 4, thereby can aim at the audience of too high or low position with the direction of sound amplifying cover 5, through horizontal rotation device 3, elevating gear 2 and vertical rotation device 4's cooperation is used, can aim at the audience of different heights, direction with the direction of sound amplifying cover 5, reach best broadcast volume and effect, and then increased the application scope of equipment. By arranging the noise filter 6, after the sound passes through the sound amplifying cover 5, the transmitted sound can be filtered, so that the played sound is more crisp and the noise is reduced; through setting up spring 7 to provide the buffering protection in vertical rotary device 4 and public address cover 5 in the process of up-and-down motion, and then reduce vertical rotary device 4 vibration damage in the motion process, increased the life of equipment.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a public address set is used in multimedia audio frequency and video intellectuality, a serial communication port, including backup pad (1), the center of backup pad (1) is provided with logical groove (8), the bottom edge of backup pad (1) is provided with support column (9), the bottom of backup pad (1) is provided with elevating gear (2), running through of elevating gear (2) backup pad (1) extends to the top of backup pad (1), one side of elevating gear (2) is provided with horizontal rotation device (3), the top of elevating gear (2) is provided with vertical rotary device (4), the top of vertical rotary device (4) is provided with expands sound cover (5).

2. The audio amplification device for multimedia audio and video intellectualization of claim 1, wherein a noise filter (6) is arranged inside the sound diffusion cover (5).

3. The audio amplifying device for multimedia audio-video intellectualization according to claim 1, the lifting device (2) comprises a first bracket (201) arranged at the bottom end of the supporting plate (1), a first motor (202) is arranged on one side inside the first support (201), a first bevel gear (203) is arranged on an output shaft of the first motor (202), a second bevel gear (204) matched with the first bevel gear (203) is arranged at the top end inside the first bracket (201), a connecting block (205) is arranged at the top end of the second bevel gear (204), a first sliding groove (206) is arranged inside the connecting block (205), a sliding block (207) is arranged inside the first sliding groove (206), the sliding block (207) extends to the top end of the supporting plate (1), the sliding block (207) is connected with a screw rod (208), the bottom end of the screw rod (208) is connected with the top end of the bevel gear II (204).

4. The audio amplifying device for multimedia audio and video intellectualization of claim 3, wherein the horizontal rotation device (3) comprises a second motor (301) arranged on the side wall of the first support (201), a first belt pulley (302) is sleeved on an output shaft of the second motor (301), a second belt pulley (303) is arranged on the connecting block (205), the first belt pulley (302) is connected with the second belt pulley (303) through a belt (304), the top end of the second belt pulley (303) is provided with a connecting rod (305), a second sliding groove (306) is arranged in the connecting rod (305), and a supporting rod (307) is arranged in the second sliding groove (306).

5. The audio amplifying device for multimedia audio and video intellectualization according to claim 4, wherein the vertical rotating device (4) comprises a second support (401) arranged at the top end of the lifting device (2), a bearing (402) is arranged at the bottom end of the second support (401), the bearing (402) is connected with the slider (207), the bottom end of the second support (401) is connected with the support rod (307), a third motor (403) is arranged on the side wall of the second support (401), a telescopic connecting rod (404) is arranged at the top end of the second support (401), one end of the telescopic connecting rod (404) is respectively connected with the output shaft of the third motor (403) and the bottom end of the sound expansion cover (5), the other end of the telescopic connecting rod (404) is respectively connected with one end of a first connecting rod (405) and one end of a second connecting rod (406), and the other end of the first connecting rod (405) is connected with the side wall of the second support (401), the other end of the second connecting rod (406) is connected with the middle end of the sound amplification cover (5).

6. The audio amplifying device for the intellectualization of the multimedia audio and video according to claim 5, wherein a spring (7) is arranged between the second bracket (401) and the support plate (1).