CN110650386B

CN110650386B - Linear array full-frequency sound post for sound engineering

Info

Publication number: CN110650386B
Application number: CN201910854993.1A
Authority: CN
Inventors: 张永亮
Original assignee: Meiya Technology Co ltd
Current assignee: Meiya Technology Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2022-05-13
Anticipated expiration: 2039-09-10
Also published as: CN110650386A

Abstract

The invention discloses a linear array full-frequency sound post for sound engineering, which comprises a rear plate, an upper plate, a bottom plate, side plates and a loudspeaker, wherein the upper plate is arranged above the rear plate, and the bottom plate is arranged below the rear plate; the curb plate sets up between upper plate and bottom plate, and both ends all are provided with the curb plate about the back plate, and the upper end middle part of bottom plate is provided with two mount pads, and two mount pad bilateral symmetry set up, are provided with the screw rod in two mount pads, and the middle part of screw rod is passed through the bearing and is rotated and install in the mount pad, is provided with first gear on the screw rod between two mount pads, and the rear of first gear is provided with the second gear, second gear and the mechanical cooperation of first gear, the right-hand motor that is provided with of second gear. The loudspeaker box is simple in structure and convenient to assemble and install, and the low-frequency sound waves emitted from the rear of the loudspeaker can be transmitted out of the front of the loudspeaker after being reflected by arranging the loudspeaker in the openable box body, so that the loudspeaker has a full-frequency playing function.

Description

Linear array full-frequency sound post for sound engineering

Technical Field

The invention belongs to sound equipment, and particularly relates to a linear array full-frequency sound column for sound engineering.

Background

The linear array sound column is a sound equipment formed by closely arranging and combining a plurality of sound boxes in a straight line at equal intervals, in acoustics, the sound intensity is inversely proportional to the square of the propagation distance of sound, in short, the sound pressure is attenuated by 6 decibels when the propagation distance of the sound is doubled, and the linear array sound is formed by superposing a plurality of sound fields with the same frequency and the same phase, so that the sound pressure coverage of the linear array sound column is close to the so-called linear sound source theory, when the propagation distance of the sound is doubled, the sound pressure can not be attenuated by 6 decibels, and only can be reduced by 3 decibels theoretically, so that the sound propagation range is improved, and the linear array sound is used as a sound source in some large-scale venues and meeting places.

Present widely used linear array stereo set all carries out simple vertical combination with current audio amplifier, though can increase its propagation range in the vertical direction like this, but propagation range in the horizontal direction is limited, just so need set up the same linear array stereo set of a plurality of groups again in the horizontal direction, and the low frequency sound wave in the audio amplifier spreads comparatively difficultly moreover for the stereo set does not possess the function of full frequency broadcast.

Disclosure of Invention

The present invention is directed to provide a linear array full tone post for sound engineering to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme:

a linear array full-frequency sound column for sound engineering comprises a rear plate, an upper plate, a bottom plate, side plates and a loudspeaker, wherein the upper plate is arranged above the rear plate, the rear end of the upper plate is fixedly connected with the upper end of the rear plate, the bottom plate is arranged below the rear plate, the rear end of the bottom plate is fixedly connected with the lower end of the rear plate, and an installation plate is arranged at the rear end of the rear plate; the utility model discloses a motor, including curb plate, back plate, bottom plate, bearing, first gear, second gear, curb plate, bottom plate, both ends all are provided with the curb plate about the back plate, hinged joint is passed through at both ends about the rear end of curb plate and back plate, the inboard below of both sides board is provided with the spout, the upper end middle part of bottom plate is provided with two mount pads, two mount pad bilateral symmetry sets up, the lower extreme and the bottom plate fixed connection of two mount pads, be provided with the screw rod in two mount pads, the middle part of screw rod is passed through the bearing and is rotated and install in the mount pad, be provided with first gear on the screw rod between two mount pads, first gear passes through the spline and installs on the screw rod, the rear of first gear is provided with the second gear, second gear and first gear mechanical cooperation, the right-hand motor that is provided with of second gear, the lower extreme fixed mounting of motor is on the bottom plate, the second gear is installed on the rotor of motor.

As a further scheme of the invention: the bottom plate is the same with the shape of upper plate, and the upper end of upper plate is provided with the draw-in groove, and the lower extreme of bottom plate is provided with the card rail.

As a further scheme of the invention: the front end middle part of back plate is provided with the spliced pole, and the front end of spliced pole is provided with the mounting groove, installs loudspeaker in the mounting groove.

As a further scheme of the invention: the front end of the side plate is provided with an opening and closing door, the two opening and closing doors are symmetrically arranged, and the opening and closing doors are connected with the side plate through damping hinges.

As a further scheme of the invention: and the surfaces of the rear plate, the upper plate, the bottom plate, the side plates and the opening and closing door are all subjected to polishing treatment.

As a further scheme of the invention: the screw rod is provided with external threads at the left end and the right end, the rotating directions of the external threads at the left end and the right end of the screw rod are opposite, screw sleeves are arranged at the left end and the right end of the screw rod, screw holes are formed in the screw sleeves, and the screw holes in the screw sleeves are matched with the external threads on the screw rod.

As a further scheme of the invention: and sliding columns are arranged at the ends, which are deviated from the two screw sleeves, of the two screw sleeves, the middle parts of the sliding columns are connected with the screw sleeves, and the sliding columns are clamped in sliding grooves in the side plates.

Compared with the prior art, the loudspeaker box is simple in structure and convenient to assemble and install, the loudspeaker is arranged in the openable box body, low-frequency sound waves emitted from the rear of the loudspeaker can be transmitted out from the front of the sound box after being reflected, the sound box has the function of full-frequency playing, meanwhile, a sound guide hole is prevented from being formed in the rear of the box body, the production cost and the process difficulty are increased, the propagation range of the sound waves can be increased by arranging the side plates with adjustable angles, the propagation range is convenient to adjust, the defect that the propagation range of the traditional linear array sound box can be enlarged only in the array direction is effectively overcome, the loudspeaker can be sealed and stored when the loudspeaker is not used by arranging the opening and closing door, and the loudspeaker is prevented from being damaged in the transportation and carrying processes.

Drawings

Fig. 1 is a front right view of a linear array full fret cube for sound engineering.

Fig. 2 is a right rear view of a linear array full fret cube for sound engineering.

Fig. 3 is a schematic view of a linear array full frequency sound column in a front view.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a sectional view taken along line B-B of fig. 3.

FIG. 6 is a schematic diagram of an assembly of a linear array full tone post for acoustic engineering.

In the figure: 1. a back plate; 2. an upper plate; 3. a base plate; 4. a side plate; 5. opening and closing the door; 6. a card slot; 7. clamping a rail; 8. mounting a plate; 9. connecting columns; 10. mounting grooves; 11. a horn; 12. a chute; 13. a mounting seat; 14. a screw; 15. a first gear; 16. a threaded sleeve; 17. a traveler; 18. a second gear; 19. a motor; 20. a damped hinge.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-6, a linear array full frequency sound column for sound engineering includes a back plate 1, an upper plate 2, a bottom plate 3, a side plate 4 and a speaker 11; the top of back plate 1 is provided with upper plate 2, the rear end of upper plate 2 and the upper end fixed connection of back plate 1, the upper end of upper plate 2 is provided with draw-in groove 6, be used for the joint when whole equipment, the below of back plate 1 is provided with bottom plate 3, the rear end of bottom plate 3 and the lower extreme fixed connection of back plate 1, bottom plate 3 is the same with the shape of upper plate 2, the lower extreme of bottom plate 3 is provided with card rail 7, card rail 7 and the cooperation of draw-in groove 6, can be in the same place different monomer joints when the equipment, ensure the stability of connecting, the rear end of back plate 1 is provided with mounting panel 8, installation stereo set that can be convenient through mounting panel 8, the front end middle part of back plate 1 is provided with spliced pole 9, the front end of spliced pole 9 is provided with mounting groove 10, install loudspeaker 11 in the mounting groove 10.

Curb plate 4 sets up between upper plate 2 and bottom plate 3, both ends all are provided with curb plate 4 about back plate 1, hinged joint is passed through at the rear end of curb plate 4 and the both ends of controlling of back plate 1, the front end of curb plate 4 is provided with door 5 that opens and shuts, two 5 symmetries of opening and shutting set up, be connected through damping hinge 20 between door 5 and the curb plate 4 that opens and shuts, and when the angle that opens and shuts is less than certain angle, door 5 that opens and shuts can self-closing, the inboard below of both sides board 4 is provided with spout 12, back plate 1, upper plate 2, bottom plate 3, the surface of curb plate 4 and door 5 that opens and shuts is whole carries out polishing treatment, thereby reduce the absorption to the sound wave, furthest's sound wave reflection that sends loudspeaker 11 goes out.

The middle part of the upper end of the bottom plate 3 is provided with two mounting seats 13, the two mounting seats 13 are arranged in bilateral symmetry, the lower ends of the two mounting seats 13 are fixedly connected with the bottom plate 3, screw rods 14 are arranged in the two mounting seats 13, the middle part of each screw rod 14 is rotatably arranged in the corresponding mounting seat 13 through bearings, a first gear 15 is arranged on each screw rod 14 between the two mounting seats 13, each first gear 15 is arranged on each screw rod 14 through a spline, a second gear 18 is arranged behind each first gear 15, the second gear 18 is mechanically matched with the first gear 15, a motor 19 is arranged on the right side of each second gear 18, the lower end of each motor 19 is fixedly arranged on the bottom plate 3, each second gear 18 is arranged on a rotor of each motor 19, each motor 19 can drive each second gear 18 to rotate, each first gear 15 is driven to rotate through the matching of the first gear 15 and the second gear 18, and each first gear 15 drives each screw rod 14 to rotate through the matching of the splines, the left end and the right end of the screw rod 14 are provided with external threads, the rotating directions of the external threads at the left end and the right end of the screw rod 14 are opposite, the left end and the right end of the screw rod 14 are provided with screw sleeves 16, screw holes are formed in the screw sleeves 16, the screw holes in the screw sleeves 16 are matched with the external threads on the screw rod 14, so that the screw sleeves 16 are installed on the screw rod 14, sliding columns 17 are installed at the ends, deviating from the two screw sleeves 16, of the screw sleeves 16, the middle parts of the sliding columns 17 are connected with the screw sleeves 16, the sliding columns 17 are clamped in sliding grooves 12 on the side plates 4, the sliding columns 17 can slide back and forth in the sliding grooves 12, the screw rod 14 is driven to rotate by controlling the rotation of a motor 19, the two screw sleeves 16 can be pushed to be far away from or close to each other after the rotation of the screw rod 14, the screw sleeves 16 push the side plates 4 to be outwards opened or inwards contracted through the sliding columns 17, and the transmission range of sound in the left direction and the right direction is changed.

In the using process of the invention: at first scope and the decay condition that needs to propagate according to the sound, select a plurality of stereo set monomers, then stack a plurality of stereo set monomers, constitute linear array sound column, from up down when the equipment, clamp rail 7 with top stereo set monomer lower extreme clamps in draw-in groove 6 of below stereo set monomer upper end in proper order, thereby connect into the linear array sound column that stabilizes with a plurality of stereo set monomers, then place the linear array sound column that the equipment was accomplished in the assigned position, if hang on the wall, can directly hang the linear array sound column on the connecting piece of wall body through mounting panel 8, perhaps fix mounting panel 8 on the wall body through the bolt, thereby install the linear array sound column on the wall.

After the linear array sound post is installed, firstly, two opening and closing doors 5 are opened, when the two opening and closing doors 5 are opened to a certain angle, the two opening and closing doors can be automatically opened and are parallel to a side plate 4, when the transmission range of sound in the left and right directions needs to be expanded, a control motor 19 drives a second gear 18 to rotate, a first gear 15 and a screw 14 are driven to rotate through the second gear 18, then screw sleeves 16 at two ends of the screw 14 are pushed to move towards the left and right sides, at the moment, sliding posts 17 on the screw sleeves 16 can push the side plate 4 to open towards the left and right sides by a certain angle, so that the transmission range of the sound in the left and right directions is expanded, along with the increase of the opening and closing angle of the side plate 4, the transmission range of the sound is also increased, the opening and closing angle is reduced, and the transmission range of the sound is also reduced, so that the opening and closing angle of the side plate 4 can be set according to the requirement of the transmission range.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A linear array full-frequency sound column for sound engineering comprises a rear plate (1), an upper plate (2), a bottom plate (3), side plates (4) and a loudspeaker (11), and is characterized in that the upper plate (2) is arranged above the rear plate (1), the rear end of the upper plate (2) is fixedly connected with the upper end of the rear plate (1), the bottom plate (3) is arranged below the rear plate (1), the rear end of the bottom plate (3) is fixedly connected with the lower end of the rear plate (1), and a mounting plate (8) is arranged at the rear end of the rear plate (1); the side plates (4) are arranged between the upper plate (2) and the bottom plate (3), the left end and the right end of the rear plate (1) are respectively provided with the side plates (4), the rear ends of the side plates (4) are connected with the left end and the right end of the rear plate (1) through hinges, a sliding chute (12) is arranged below the inner sides of the two side plates (4), the middle part of the upper end of the bottom plate (3) is provided with two installation seats (13), the two installation seats (13) are arranged in bilateral symmetry, the lower ends of the two installation seats (13) are fixedly connected with the bottom plate (3), a screw rod (14) is arranged in the two installation seats (13), the middle part of the screw rod (14) is rotatably arranged in the installation seats (13) through a bearing, a first gear (15) is arranged on the screw rod (14) between the two installation seats (13), the first gear (15) is arranged on the screw rod (14) through splines, a second gear (18) is arranged behind the first gear (15), the second gear (18) is mechanically matched with the first gear (15), a motor (19) is arranged on the right side of the second gear (18), the lower end of the motor (19) is fixedly installed on the bottom plate (3), and the second gear (18) is installed on a rotor of the motor (19).

2. The line array full frequency sound column for sound engineering is characterized in that the bottom plate (3) and the upper plate (2) are the same in shape, a clamping groove (6) is formed in the upper end of the upper plate (2), and a clamping rail (7) is formed in the lower end of the bottom plate (3).

3. The line array full frequency sound column for sound engineering according to claim 1, wherein the middle of the front end of the back plate (1) is provided with a connecting column (9), the front end of the connecting column (9) is provided with a mounting groove (10), and a loudspeaker (11) is mounted in the mounting groove (10).

4. The line array full frequency sound column for sound engineering according to claim 1, wherein the front end of the side plate (4) is provided with an opening and closing door (5), the two opening and closing doors (5) are symmetrically arranged, and the opening and closing doors (5) are connected with the side plate (4) through a damping hinge (20).

5. The linear array full range sound column for sound engineering according to claim 1, characterized in that the surfaces of the back plate (1), the upper plate (2), the bottom plate (3), the side plates (4) and the opening and closing door (5) are all polished.

6. The line array full frequency sound column for sound engineering according to claim 1, wherein the left end and the right end of the screw (14) are provided with external threads, the screwing directions of the external threads at the left end and the right end of the screw (14) are opposite, the left end and the right end of the screw (14) are provided with screw sleeves (16), screw holes are formed in the screw sleeves (16), and the screw holes in the screw sleeves (16) are matched with the external threads on the screw (14).

7. The linear array full frequency sound column for sound engineering according to claim 6, wherein the ends of the two screw sleeves (16) which are opposite to each other are provided with slide columns (17), the middle parts of the slide columns (17) are connected with the screw sleeves (16), and the slide columns (17) are clamped in the slide grooves (12) on the side plates (4).