CN208273173U - A kind of loudspeaker mast-up - Google Patents

Abstract

The utility model discloses a kind of loudspeaker mast-ups, the loudspeaker mast-up includes the fixing bracket body being installed on supporter, driving device, and the movable frame body for being sequentially connected with the driving device and rotating under the driving of the driving device relative to the fixing bracket body；The fixing bracket body is fixedly installed in above support by the first mounting structure, and the bottom of the activity frame body is fixedly installed with speaker by the second mounting structure.Outdoors in use process, the public address equipment is mounted on wall or other supporters by fixing bracket body, driving device starts or closes according to the instruction received, to driving activity frame body and speaker is driven to turn to position appropriate, it, can be by the evolution of movable frame body, so that the sonic transmissions direction of speaker alignment target region always so as under different wind-force and wind direction environment, to guarantee the sound transmission qualities in target area, while avoiding causing sound wave to pollute nontarget area.

Description

A kind of loudspeaker mast-up

Technical field

The utility model relates to Outdoor voice box installation technical field of auxiliary equipment more particularly to a kind of loudspeaker mast-ups.

Background technique

Loudspeaker is the important component of sound box system, outdoors public address in use, loudspeaker to be fixed on place appropriate Position, the sound wave outbound course of megaphone is always towards needing the direction of acoustic irradiation, and face target area.But by It is transmitted by air as medium in sound wave, in wind-force and wind vector, the actual projected region meeting of loudspeaker Shift change, causes projection target area not obtain due acoustic energy, influences sound transmission qualities；And simultaneously, When sound wave is displaced to the nontarget area on periphery under the driving of wind energy, sound wave pollution is also resulted in.

Utility model content

Purpose of the utility model is to solve at least one above-mentioned problem, which is by following technology What scheme was realized.

The utility model provides a kind of loudspeaker mast-up, including fixing bracket body, the driving dress being installed on supporter It sets, and is sequentially connected and under the driving of the driving device with the driving device relative to fixing bracket body rotation Movable frame body；The fixing bracket body is fixedly installed in above support, the bottom of the activity frame body by the first mounting structure Speaker is fixedly installed with by the second mounting structure.

Outdoors in use process, which is mounted on wall or other supporters by fixing bracket body, driving Device starts or closes according to the instruction that receives, thus driving activity frame body and speaker is driven to turn to position appropriate, with It just, can be by the evolution of movable frame body, so that the sonic transmissions direction of speaker is always under different wind-force and wind direction environment Alignment target region to guarantee the sound transmission qualities in target area, while avoiding causing sound wave to pollute nontarget area.

Further, the driving device includes stepper motor, the output shaft of the stepper motor and the movable frame body Transmission connection, and the movable frame body is driven to rotate relative to the fixing bracket body.

Further, the shaft that the movable frame body includes mounting rack and is fixedly connected with the mounting rack, the shaft It is sequentially connected with the output shaft of the stepper motor.

Further, the driving device further includes gear shift, the gear shift include with it is described defeated The affixed driving gear of shaft, and the driven gear affixed with the shaft, the driving gear are mutually nibbled with the driven gear It closes.

Further, the driving device further includes shield, and the shielding cover is set on the outside of the stepper motor simultaneously It is fixedly connected with the fixing bracket body.

Further, power supply state indicator light is installed on the shield.

Further, the detection probe for obtaining current wind and wind direction is installed on the movable frame body.

Further, first mounting structure includes the mounting flange being fixed at the top of the fixing bracket body, and is opened up Card slot on above support mounting surface, the mounting flange are fastened in the card slot.

Further, second mounting structure include multiple first bolts hole for being opened in the movable frame body circumferential direction, Multiple second bolts hole being opened on the installation base of the speaker, and it is separately connected the fastening bolt of each corresponding bolt hole.

Further, second mounting structure further includes the first magnetic part being fixed on the movable frame body, and solid The second magnetic part being connected on the installation base of the speaker, first magnetic part and second magnetic part are correspondingly It is fixed.

Detailed description of the invention

By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.

Fig. 1 is a kind of structural schematic diagram of specific embodiment of loudspeaker mast-up provided by the utility model.

Description of symbols:

1- fixing bracket body

2- driving device

3- activity frame body

4- power supply state indicator light

5- detection probe

Specific embodiment

The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here The mode of applying is limited.It is to be able to thoroughly understand the disclosure on the contrary, providing these embodiments, and can be by this public affairs The range opened is fully disclosed to those skilled in the art.

Referring to FIG. 1, Fig. 1 is that a kind of structure of specific embodiment of loudspeaker mast-up provided by the utility model is shown It is intended to.

In a specific embodiment, loudspeaker mast-up provided by the utility model is used for the peace of the outer speaker of outdoor expansion Dress and adjustment, are particularly suitable under wind-force and the changed occasion of wind direction.The loudspeaker mast-up includes being installed on supporter On fixing bracket body 1, driving device 2, and with the driving device 2 transmission connection and the phase under the driving of the driving device 2 For the movable frame body 3 of the fixing bracket body 1 rotation；The fixing bracket body 1 is fixedly installed in described by the first mounting structure The bottom of supporter, the activity frame body 3 is fixedly installed with speaker by the second mounting structure.

Above-mentioned fixing bracket body 1 and movable frame body 3 all can be aluminum alloy frame, it is relatively light to have under sufficient intensity Quality.

Outdoors in use process, which is mounted on wall or other supporters by fixing bracket body 1, is driven Device 2 starts or closes according to the instruction that receives, thus driving activity frame body 3 and speaker is driven to turn to position appropriate, It, can be by the evolution of movable frame body 3, so that the sonic transmissions direction of speaker is begun so as under different wind-force and wind direction environment Whole alignment target region to guarantee the sound transmission qualities in target area, while avoiding causing nontarget area sound wave dirty Dye.

Specifically, above-mentioned driving device 2 can be stepper motor, the output shaft of the stepper motor and the movable frame body 3 transmission connections, and the movable frame body 3 is driven to rotate relative to the fixing bracket body 1.When stepper motor receives command adapted thereto Afterwards, the control information carried according to instruction, stepper motor rotates preset strokes to preset direction, thus on drive activity frame body 3 Speaker rotate corresponding angle, to make the sound wave outbound course of speaker towards target area.Optionally, above-mentioned driving dress It sets 2 and is not limited to stepper motor, or ordinary motor or other conventional prime mover.

In order to which reliability and the space of improving the transmission connection between movable frame body 3 and the output shaft of stepper motor are reasonable Property, it avoids associated components from interfering, guarantees the smoothness of relative motion between movable part, the activity frame body 3 includes peace The output shaft of the shaft shelved and be fixedly connected with the mounting rack, the shaft and the stepper motor is sequentially connected.It should Understand, transmission connection described in text, which refers to, is able to drive the connection that driven member is moved with driving link when driving link movement The various forms such as structure, such as gear drive connection, V belt translation connection or sprocket wheel transmission connection.

Above-mentioned driving device 2 further includes gear shift, and the gear shift includes affixed with the output shaft Driving gear, and the driven gear affixed with the shaft, the driving gear is meshed with the driven gear, with basis Need to adjust the angle of speaker.Driving gear and driven gear can be roller gear, if desired angular transformation, or The bevel gear of appropriate angle.

In order to protect internal stepper motor, which further includes shield, and the shielding cover is set to the step It is fixedly connected on the outside of into motor and with the fixing bracket body 1, stepper motor is set in inside shield, to realize that motor protects. The shield can have the coatings such as waterproof layer and fireprotection layer.

Power supply state indicator light 4 is also equipped on above-mentioned shield, the power supply state indicator light 4 and stepper motor and The connection of power supply unit conducting wire, to prompt power supply state in time, such as lights in abnormal electrical power supply；Or the variation for passing through color Power supply state is prompted, such as green light lights when normal power supply, and red light lights when abnormal electrical power supply.

Detection probe 5 for obtaining current wind and wind direction is installed on movable frame body 3, the detection probe 5 and step Master Control Unit into motor controls connection by communications protocol, and the current wind and wind direction that detection probe 5 will test are transmitted to Master Control Unit, and in Master Control Unit calculate and according to calculate and compare output shaft output order from result to stepper motor, Rotation direction and rotation amplitude are controlled according to the instruction.The mast-up be equipped with projection distance selection switch, range at 5-50 meters, By 1-10 grades of wind speed of detection, in conjunction with the projection distance of selection, the adjusting range of speaker can be between 1 degree of -35 degree, automatically Acoustics projection target area is constant in the case where correcting any wind speed variation, reduces sound pollution, improves outdoor sound reinforcement system Stability.

Detection probe 5 can be combined with drive module and be precisely controlled to stepper motor, and detection operation interval time is Average value is recorded within 10 minutes, ten minutes and carries out analysis movement, prevents the malfunction under wind direction abnormal conditions.It is above-mentioned for Denso The power supply set is normal 220V alternating current, and power is about 200W.

It should be pointed out that the control strategy of Master Control Unit is existing control means, it is not impracticable novel claimed Range.

Specifically, first mounting structure includes the mounting flange for being fixed in 1 top of fixing bracket body, and is opened in Card slot on above support mounting surface, the mounting flange are fastened in the card slot.Theoretically, first mounting structure It can be the fixed connection structures such as bolt fastening structure or sliding slot sliding block fit structure.Above-mentioned second mounting structure includes being opened in Multiple first bolts hole of 3 circumferential direction of activity frame body, multiple second bolts hole being opened on the installation base of the speaker, With the fastening bolt for being separately connected each corresponding bolt hole.Similarly, which may be clamping structure or sliding slot The fixed connection structures such as sliding block fit structure.

Further, second mounting structure can also include the first magnetic part being fixed on the movable frame body 3, Be fixed in the speaker installation base on the second magnetic part, first magnetic part and second magnetic part one are a pair of It is fixed with answering.Each magnetic part should be staggeredly arranged with corresponding bolt hole, to avoid interference.

It should be understood that although multiple element, portion can be described using term first, second, third, etc. in the text Part, region, layer and/or section still these component, assembly units, region, layer and/or are limited by these terms than Duan Buying. These terms can only be used to distinguish a component, assembly unit, region, layer or section with another region, layer or section.Unless Context is it is manifestly intended that when otherwise the term and other numerical terms of such as " first ", " second " etc use in the text Sequence or order is not implied that.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model answers institute It states and is subject to the protection scope in claims.

Claims (10)

1. a kind of loudspeaker mast-up, which is characterized in that including be installed on supporter fixing bracket body (1), driving device (2), it and with the driving device (2) is sequentially connected and under the driving of the driving device (2) relative to the fixing bracket body (1) the movable frame body (3) rotated；The fixing bracket body (1) is fixedly installed in above support by the first mounting structure, described The bottom of movable frame body (3) is fixedly installed with speaker by the second mounting structure.

2. loudspeaker mast-up according to claim 1, which is characterized in that the driving device (2) includes stepper motor, The output shaft of the stepper motor and the movable frame body (3) are sequentially connected, and drive the movable frame body (3) relative to described Fixing bracket body (1) rotation.

3. loudspeaker mast-up according to claim 2, which is characterized in that it is described activity frame body (3) include mounting rack and The output shaft of the shaft being fixedly connected with the mounting rack, the shaft and the stepper motor is sequentially connected.

4. loudspeaker mast-up according to claim 3, which is characterized in that the driving device (2) further includes that gear becomes Fast mechanism, the gear shift include the driving gear affixed with the output shaft, and with affixed driven of the shaft Gear, the driving gear are meshed with the driven gear.

5. loudspeaker mast-up according to claim 2, which is characterized in that the driving device (2) further includes shield, The shielding cover is set on the outside of the stepper motor and is fixedly connected with the fixing bracket body (1).

6. loudspeaker mast-up according to claim 5, which is characterized in that be equipped with power supply state on the shield and refer to Show lamp (4).

7. loudspeaker mast-up according to claim 1-6, which is characterized in that pacify on the activity frame body (3) Equipped with the detection probe (5) for obtaining current wind and wind direction.

8. loudspeaker mast-up according to claim 1-6, which is characterized in that first mounting structure includes The mounting flange being fixed at the top of the fixing bracket body (1), and the card slot being opened on above support mounting surface, the installation Flange is fastened in the card slot.

9. loudspeaker mast-up according to claim 1-6, which is characterized in that second mounting structure includes Multiple for being opened in multiple first bolts hole of described movable frame body (3) circumferential direction, being opened on the installation base of the speaker Two bolts hole, and it is separately connected the fastening bolt of each corresponding bolt hole.

10. loudspeaker mast-up according to claim 9, which is characterized in that second mounting structure further includes affixed The first magnetic part on the movable frame body (3), and the second magnetic part being fixed on the installation base of the speaker, it is described First magnetic part is fixed correspondingly with second magnetic part.