CN2426256Y

CN2426256Y - Rotary loudspeaker housing

Info

Publication number: CN2426256Y
Application number: CN 00215069
Authority: CN
Inventors: 常龙祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-06-07
Filing date: 2000-06-07
Publication date: 2001-04-04
Anticipated expiration: 2010-06-07

Abstract

The utility model provides a rotary loudspeaker box, which comprises a loudspeaker, a loudspeaker box body and a way circuit. The utility model is characterized in that the loudspeaker box body is a ceiling type loudspeaker box which has symmetrical axle center and is composed of a ceiling plate, a plurality of side plates which are sloping inwards and a bottom plate, and a horizontal closed loudspeaker box on the bottom plate, sloping paraphase loudspeaker boxes on the sloping side plates and a hollow cavity isolation chamber are spaced by spacer plates in the loudspeaker box; a main rotating shaft is arranged on the symmetry center of the ceiling plate of the box body, and a box body drive mechanism driven by a motor is connected with the box body. The loudspeaker box has the advantages of compact structure, large stereo listening range and wide purpose, can be rotated, and can realize the distinction and the alternation of the stereo two-audio track region and the double-stereo four-audio track region.

Description

Rotary audio amplifier

The utility model belongs to a kind of stereo set, is a kind of rotary audio amplifier specifically.

Audio amplifier in the existing stereo set is generally rectangular box body, places on the ground or hang motionless on the wall during use, mainly has following deficiency:

1, the layout of home theater audio amplifier has determined the optimum position to be in the center, and the stereo scope of listening to is too little, is subjected to restrictions such as audience position, article ornaments, and interior space utilance is too low.

2, there are not stereo two sound channels and the expansion in bicubic sound quadraphony zone and the function that replaces mutually.

3, the audio amplifier function of use is single, and audio amplifier separates with light, can not performance sound, phototiming operation and the marvellous background effect that produces.

The purpose of this utility model is to provide a kind of rotary audio amplifier at the deficiencies in the prior art, its loudspeaker box structure compactness, can rotate, can realize the differentiation in stereo two sound channels and bicubic sound quadraphony zone, alternately, the stereo scope of listening to is wide, has sound, phototiming operation and the marvellous background effect that produces.

The purpose of this utility model is achieved by the following technical solution: a kind of rotary audio amplifier, comprise loud speaker, sound box and way circuit thereof, it is characterized in that described sound box is by top board, intilted a plurality of side plate and and size parallel with top board are less than the ceiling mounting type audio amplifier of the base plate formation axle center symmetry of top board, seal audio amplifier by the level that the audio amplifier internal partition is partitioned on the base plate, inclination reflex cabinet on the inclined side plate and cavity isolation chamber, the roof box symmetrical centre is provided with the rotating spindle vertical with top board, is linked to each other with casing by the casing transmission mechanism of driven by motor.

Level sealing audio amplifier on the described base plate has two, is symmetrical arranged by the axle center, is respectively R channel woofer and L channel woofer in two audio amplifiers.Two inclination reflex cabinets are arranged on the described inclined side plate, be symmetrical arranged, be respectively L channel woofer and R channel woofer in two audio amplifiers by the axle center.

Each inclination reflex cabinet woofer both sides on the described inclined side plate respectively are provided with a pair of Squawker and high pitch loudspeaker, and a side is a R channel, and opposite side is a L channel.

Be symmetrical arranged some capacitors that are partitioned into by dividing plate by the axle center on described audio amplifier base plate and the side plate, color lamp is housed in the capacitor, the base plate center also is provided with 1 illuminating lamp.

Described color lamp is connected by the interior fixed support bar hinge of rotating shaft in the middle of the color lamp fixed cover and chamber, the eccentric wheel that is driven by the micromotor axle is provided with a plurality of and the not equidistant eccentric pivot hole in the center of circle, connecting axle in the eccentric pivot hole is connected by the connecting axle hinge of connecting rod with color lamp fixed cover one end, and color lamp capacitor opening edge is along the color lamp Decorative Cover is set.

Described roof box is a disc-shape, its centre is coated with rotating spindle by bearing, the fixedly connected mast-up in rotating spindle top, the casing transmission mechanism is to be rotated by the coaxial main drive wheel of the driven by motor that is provided with in the way circuit terminal box fixing on mast-up one end, and the top board that drives the audio amplifier disc-shape by two idler frictions constitutes.

The casing middle cavity is inserted in described rotating spindle bottom, its outer insulator and collector ring of being surrounded by, two carbon brush holders are set and are fixed in the casing middle cavity in the collector ring bilateral symmetry, each loud speaker connects frequency divider by lead, frequency divider connects with the interior corresponding carbon brush of carbon brush holder, by the collector ring of the correspondence inside groove of lead, be connected with the left and right acoustic channels circuit of external audio equipment again by the way circuit terminal box through rotating spindle core hole, mast-up square steel; Color lamp, micromotor and illuminating lamp connect carbon brush corresponding in the carbon brush holder respectively with lead, again by the collector ring of correspondence by the inside groove of lead through rotating spindle core hole, mast-up square steel, be connected with color lamp stepless dimming circuit, stepless speed regulation circuit and the illumination control circuit of outside respectively by the way circuit terminal box.

The utility model compared with prior art has many advantages and good effect:

1, audio amplifier suspension side, circle center cover downwards, when reducing input, power output with the area usage space than prior art audio amplifier, have also reduced invalid acoustic emanation of surrounding enviroment and noise.

2, audio amplifier rotation along with the differentiation of music stereo double channel and bicubic sound quadraphony zones of different alternately with color lamp action synchronous effect in the floor, wallboard shows the special dynamic effect when participating in the cintest of revolving stage true to nature.No matter the audience is standing, seat, couchant or dancing, when closing order and appreciating melody, can obtain all that body faces the marvellous impression of rotating its border along with the broadcast of music, bring out professional and amateurish dancing fans' dancing desire.The stereo scope of listening to is wide.

3, its compact conformation, and be hung on the ceiling and use, can save the ground usage space, no longer be subjected to restrictions such as audience position, ground article ornaments.

4, be widely used in the places such as dance hall, movie theatre, singing-hall, stadiums, rink, meeting room, family and the vehicles of different terrain, different area.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is the utility model audio amplifier upward view;

Fig. 2 is that Figure 1A-A is to profile;

Fig. 3 is the utility model audio amplifier front view;

Fig. 4 is the R part partial enlarged drawing among Fig. 2;

Fig. 5 is the utility model color lamp swing mechanism assembling schematic diagram.

Referring to Fig. 1-Fig. 3, casing adopts high-density plate circular top plate 12, eight to be 45 ° of intilted trapezoidal side plates 11 of angle with top board and anistree base plate 19 constitutes.Be partitioned into two left-right symmetric sealing

audio amplifier monomer

22,23 on the base plate 19 and two left-right symmetric reflex cabinet monomers 21,24 on the trapezoidal side plate 11 by the dividing plate in the casing 20, on each reflex cabinet monomer 21,24 two phase-reversing tubes be set.Two cavity isolation chambers about vertically line of symmetry periphery interdigit is divided into.Loud speaker 7 in the reflex cabinet monomer 21 is the L channel bass, and the loud speaker 18 in the reflex cabinet monomer 24 is the R channel bass.Loud speaker 8 in the sealing audio amplifier monomer 22 is the R channel bass, and the loud speaker 13 in the sealing audio amplifier monomer 23 is the L channel bass.Loud speaker 4 on the trapezoidal side plate 11 is the R channel middle pitch, and loud speaker 3 is the R channel high pitch, and loud speaker 9 is the L channel high pitch, and loud speaker 10 is the L channel middle pitch.Color lamp 5 and the color lamp 2 on the anistree base plate 19 on the trapezoidal side plate 11 are respectively red, yellow, green, blue look spotlight, and can swing in the direction of arrows.In the middle of the anistree base plate 19 is illuminating lamp 1.

Referring to Fig. 4, the rotating spindle 35 in top board 12 centres installs bearing 27, load-bearing steel plate 28, interior load-bearing steel cylinder 29 tops, bearing 30, the round nut 31 of casing middle cavity on the top board 12 from top to bottom, and fastening by round nut 31.The cylinder side wall of load-bearing steel cylinder 29 abuts against casing middle cavity sidewall and fixes, and the bottom of load-bearing steel cylinder 29 outwards is folded into circular and is stuck on the base plate 19.Rotating spindle 35 tops fixedly connected one horizontal mast-up 25, the casing transmission mechanism is to drive coaxial main drive wheel 15 by the main motor 26 that is provided with in the way circuit terminal box fixing on mast-up 25 1 ends 16 to rotate, and the top board 12 that drives the audio amplifier disc-shape by two

idler

14,17 frictions constitutes.The casing middle cavity is inserted in described rotating spindle 35 bottoms, is surrounded by insulator 36 and collector ring 33 outside it, and fastening by round nut 34.Symmetrically arranged two carbon brush holders 32 in collector ring 33 both sides are fixed on the cylinder side wall of load-bearing steel cylinder 29.Each loud speaker connects the indoor frequency divider of cavity isolation by lead, frequency divider connects with carbon brush holder 32 interior corresponding carbon brush, by the collector ring 33 usefulness leads of carbon brush correspondence inside groove, be connected with the left and right acoustic channels circuit of external audio equipment again by way circuit terminal box 16 through rotating spindle 35 core holes, mast-up 25 square steel;

Color lamp

2,5 and micromotor thereof, illuminating lamp 1 usefulness lead connect carbon brush corresponding in the carbon brush holder 32 respectively, again by the collector ring 33 of carbon brush correspondence by the inside groove of circuit through rotating spindle 35 core holes, mast-up 25 square steel, be connected with color lamp stepless dimming circuit, stepless speed regulation circuit and the illumination control circuit of outside respectively by way circuit terminal box 16.

Referring to Fig. 5, described

color lamp

2,5 is connected by interior fixed support bar 41 hinges of rotating shaft 43 in the middle of the color lamp fixed cover 44 and chamber, the eccentric wheel 38 that is driven by micromotor axle 42 is provided with 8 eccentric pivot holes 37 not equidistant with the center of circle, connecting axle in the eccentric pivot hole 37 is connected with connecting axle 40 hinges of color lamp fixed cover 44 1 ends by connecting rod 39, and color lamp capacitor opening edge is along color lamp Decorative Cover 45 is set.Micromotor rotates and can make

color lamp

2,5 swings, is fixed in the eccentric pivot hole 37 of diverse location by selecting connecting rod 39 and eccentric wheel 38 connecting axles, can

conversion color lamp

2,5 amplitudes of fluctuation.

During use, the horizontal mast-up 25 of audio amplifier is fixed on the ceiling center, and way circuit terminal box 16 is connected with the left and right acoustic channels circuit of color lamp stepless dimming circuit, stepless speed regulation circuit and the illumination control circuit and the external audio equipment of outside respectively.Connect stereo set,

color lamp

2,5, illuminating lamp 1, color lamp swing electrical micro-machine and audio amplifier rotary electric machine 26, light is and loud speaker system arranges with fan-shaped expansion earthward along audio amplifier assembly center different angles, the technical scheme of the novel concepts of realized the differentiation in stereo two sound channels and bicubic sound quadraphony zone, alternately rotating with the light different scope of application of covering.

Claims

1, a kind of rotary audio amplifier, comprise loud speaker, sound box and way circuit thereof, it is characterized in that described sound box is by top board (12), intilted a plurality of side plate (11) and and size parallel with top board are less than the ceiling mounting type audio amplifier of base plate (19) the formation axle center symmetry of top board, seal audio amplifier (22 by the level that audio amplifier internal partition (20) is partitioned on the base plate (19), 23) the inclination reflex cabinet (21 on the inclined side plate (11), 24) and the cavity isolation chamber, roof box (12) symmetrical centre is provided with the rotating spindle (35) vertical with top board (12), and the casing transmission mechanism that is driven by motor (26) links to each other with casing.

2, according to the described rotary audio amplifier of claim 1, it is characterized in that the level sealing audio amplifier (22,23) on the described base plate (19) has two, be symmetrical arranged by the axle center, be respectively R channel woofer (8) and L channel woofer (13) in two audio amplifiers (22,23).Two inclination reflex cabinets (21,24) are arranged on the described inclined side plate (11), be symmetrical arranged, be respectively L channel woofer (7) and R channel woofer (18) in two audio amplifiers (21,24) by the axle center.

3, according to the described rotary audio amplifier of claim 2, it is characterized in that each inclination reflex cabinet (21,24) woofer (7, the 18) both sides on the described inclined side plate (11) respectively are provided with a pair of Squawker (10,4) and high pitch loudspeaker (9,3), one side is a R channel, and opposite side is a L channel.

4, according to claim 2 or 3 described rotary audio amplifiers, it is characterized in that described audio amplifier base plate (19) and side plate (11) upward are symmetrical arranged some capacitors that are partitioned into by dividing plate by the axle center, color lamp (2,5) is housed in the capacitor, and base plate (19) center also is provided with 1 illuminating lamp (1).

5, according to the described rotary audio amplifier of claim 4, it is characterized in that described color lamp (2,5) is connected by interior fixed support bar (41) hinge of rotating shaft (43) in the middle of the color lamp fixed cover (44) and chamber, the eccentric wheel (38) that is driven by micromotor axle (42) is provided with a plurality of and the not equidistant eccentric pivot hole (37) in the center of circle, connecting axle in the eccentric pivot hole (37) is connected with connecting axle (40) hinge of color lamp fixed cover (44) one ends by connecting rod (39), and color lamp (2,5) capacitor opening edge is along color lamp Decorative Cover (45) is set.

6, according to claim 1 or 5 described rotary audio amplifiers, it is characterized in that described roof box (12) is a disc-shape, its centre is coated with rotating spindle (35) by bearing (27,30), the fixedly connected mast-up in rotating spindle (35) top (25), the casing transmission mechanism is to drive coaxial main drive wheel (15) by the motor (26) that is provided with in the way circuit terminal box (16) fixing on mast-up (25) one ends to rotate, and the top board (12) that drives the audio amplifier disc-shape by two idlers (14,17) friction constitutes.

7, according to the described rotary audio amplifier of claim 4, it is characterized in that described rotating spindle (35) bottom insertion casing middle cavity, its outer insulator (36 that is surrounded by,) and collector ring (33), two carbon brush holders (32) are set and are fixed in the casing middle cavity in collector ring (33) bilateral symmetry, each loud speaker (3,4,5,7,8,9,10,13,18) connect frequency divider by lead, frequency divider connects with the interior corresponding carbon brush of carbon brush holder (32), use lead through rotating spindle (35) core hole by the collector ring (33) of correspondence again, the inside groove of mast-up (25) square steel is connected with the left and right acoustic channels circuit of external audio equipment by way circuit terminal box (16); Color lamp (2,5), micromotor and illuminating lamp (1) connect carbon brush corresponding in the carbon brush holder (32) respectively with lead, again by the collector ring of correspondence by lead through rotating spindle (35) core hole, the inside groove of mast-up (25) square steel, be connected with color lamp stepless dimming circuit, stepless speed regulation circuit and the illumination control circuit of outside respectively by way circuit terminal box (16).

8, according to the described rotary audio amplifier of claim 6, it is characterized in that described rotating spindle (35) bottom insertion casing middle cavity, its outer insulator (36 that is surrounded by,) and collector ring (33), two carbon brush holders (32) are set and are fixed in the casing middle cavity in collector ring (33) bilateral symmetry, each loud speaker (3,4,5,7,8,9,10,13,18) connect frequency divider by lead, frequency divider connects with the interior corresponding carbon brush of carbon brush holder (32), use lead through rotating spindle (35) core hole by the collector ring (33) of correspondence again, the inside groove of mast-up (25) square steel is connected with the left and right acoustic channels circuit of external audio equipment by way circuit terminal box (16); Color lamp (2,5), micromotor and illuminating lamp (1) connect carbon brush corresponding in the carbon brush holder (32) respectively with lead, again by the collector ring of correspondence by lead through rotating spindle (35) core hole, the inside groove of mast-up (25) square steel, be connected with color lamp stepless dimming circuit, stepless speed regulation circuit and the illumination control circuit of outside respectively by way circuit terminal box (16).