CN2620451Y - Single magnet three-frequency division coaxial load-speaker - Google Patents

Abstract

The utility model relates to a single magnet and trisection frequency coaxial loudspeaker, which comprises bass units or mediant units formed from basin stands, tone basins, tone loops, corrugation supporting sheets, magnets, leading pole plate loops and magnetism conducting rings, wherein the magnets are arranged on inner convex loops arranged on the middle lower parts of the magnetism conducting rings, the leading pole plate loops are connected above the magnets, the upper ring surfaces of the magnetism conducting rings are connected with the bottom surfaces of the basin stands, and hollow magnetism conducting core posts are connected to inner loops of the magnets. Ultra alt units of the utility model are formed from ultra audio diaphragm tone loops, the hollow magnetism conducting core posts, the magnets used by the bass units or the mediant units together and leading pole plate loops, and alt units are formed by alt audio diaphragm tone loops, the magnets used by the bass units or the mediant units together, magnetism conducting rings and the hollow magnetism conducting core posts used by the ultra alt units and the alt units together. The utility model forms single magnet and trisection frequency coaxial loudspeakers with bass, alt and ultra alt or mediant, alt and ultra and has the advantages of compact, delicate and reasonable structure, exact phases, good blending performance, plump acoustic quality, small aberration, manufacturing material saving and low cost.

Description

Single magnet three frequency division coaxial loudspeaker

Technical field

The utility model relates to a kind of loud speaker, particularly many frequency divisions coaxial loudspeaker.

Background technology

At present, the loud speaker on the market mostly is single audio frequency greatly, with the whole tone of its assembling frequently audio amplifier not only volume is big and heavy, and sound field is difficult to be evenly distributed, tone color is clear inadequately, easily distortion.Begun to occur many frequency divisions coaxial loudspeaker of a small amount of kind on the existing market, its structure is comparatively compact, and the sound equipment of the also more former single audio frequency loud speaker assembling of the distortion factor, tone color has had improvement, but its structure and manufacture craft are still complicated, and quality is imperfection also.

Summary of the invention

The purpose of this utility model provides a kind of simple in structurely, compact, rationally, and easy to make, tonequality is good, many frequency divisions coaxial loudspeaker that distortion is little.

The technical solution of the utility model is: it includes the basin frame that constitutes bass or middle pitch unit, the sound basin, voice coil loudspeaker voice coil, ripple props up sheet and reaches by magnet, bass or sound intermediate frequency magnetic circuit system that pole-guiding borad ring and magnetic guiding loop are formed, and described magnet is a ring form height magnetic force magnet, be bass or middle pitch, high pitch, the common magnet of superelevation sound unit, it is installed on the set convex circle in magnetic guiding loop middle and lower part, be connected with pole-guiding borad ring above the magnet, the magnetic guiding loop upper ring surface is connected with basin frame bottom surface, in the magnetic air gap that the bottom of voice coil loudspeaker voice coil is positioned to form between pole-guiding borad ring periphery wall and the magnetic guiding loop top internal perisporium, the inner ring of magnet is connected with hollow magnetic conductive core column, its upper prop circle face is concordant with plane on the pole-guiding borad ring, lower prop circle face is concordant with the bottom surface of magnetic guiding loop convex circle, high audio diaphragm voice coil loudspeaker voice coil is installed on the bottom surface of magnetic guiding loop convex circle by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the inner peripheral surface of magnetic guiding loop convex circle and the hollow magnetic conductive core column bottom outer peripheral face, high audio diaphragm voice coil loudspeaker voice coil outside is provided with high pitch leading note cover, the superelevation audio frequency diaphragm voice coil loudspeaker voice coil of diaphragm center drilling is installed on the pole-guiding borad ring by its support, and makes in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between pole-guiding borad ring inner peripheral surface and the hollow magnetic conductive core column upper end outer peripheral face.

That the utility model has constituted is low, high, superelevation or middle and high, superelevation three frequency division coaxial loudspeaker, the only shared magnet of its magnetic circuit system, structure very compact and ingenious rationally, the loud speaker phase place is accurate, and permeability is good, and tone color is full, distortion is little, and the manufacturing materials cost-saving is low.

Description of drawings

Accompanying drawing is a general structure schematic diagram of the present utility model.

Embodiment

Present embodiment is low, high, superelevation audio frequency coaxial loudspeaker, its bass unit is by basin frame 6, sound basin 7, voice coil loudspeaker voice coil 4, corrugated plate props up 9 and magnetic guiding loop 2, magnet 3, pole-guiding borad ring 11 is formed, magnetic guiding loop 2 middle and lower parts are provided with convex circle 16, its upper ring surface is connected with basin frame 6 bottom surfaces, magnet 3 is the ring form height magnetic force magnets that adopt the NdFeB rear-earth magnetic material to make, be installed on the magnetic guiding loop convex circle 16, connect pole-guiding borad ring 11 above the magnet 3, in the magnetic air gap that the bottom of bass voice coil loudspeaker voice coil 4 is positioned to form between pole-guiding borad ring 11 periphery walls and the magnetic guiding loop 2 top internal perisporiums; The inner ring of magnet 3 is connected with hollow magnetic conductive core column 12, its upper prop circle face is concordant with plane on the pole-guiding borad ring 11, lower prop circle face is concordant with the bottom surface of magnetic guiding loop convex circle 16, the superelevation audio frequency diaphragm voice coil loudspeaker voice coil 10 of diaphragm center drilling is installed on the pole-guiding borad ring 11 by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between pole-guiding borad ring 11 inner peripheral surfaces and the hollow magnetic conductive core column 12 upper end outer peripheral faces, so above-mentioned and shared magnet 3 of bass unit, pole-guiding borad ring 11 and hollow magnetic conductive core column 12, diaphragm voice coil loudspeaker voice coil 10 has promptly constituted superelevation sound of the present utility model unit; And voice unit of the present utility model is by high audio diaphragm voice coil loudspeaker voice coil 14, magnet 3, the magnetic guiding loop 2 shared with bass unit, constitute with the hollow magnetic conductive core column 12 of superelevation sound units shared, high audio diaphragm voice coil loudspeaker voice coil 14 is installed on the bottom surface of magnetic guiding loop convex circle 16 by its support, and makes in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between magnetic guiding loop convex circle 16 inner peripheral surfaces and the hollow magnetic conductive core column 12 bottom outer peripheral faces.In order to improve the leading note effect of high pitch, superelevation sound, on pole-guiding borad ring 11, be connected with the bullet leading note screen covering 8 that extends to sound basin 7 centers, the superelevation sound that superelevation sound unit produces is evenly propagated in bass sound basin 6 by bullet leading note screen covering 8, and the high pitch that voice unit produces, then lead down in the resistance of the leading note cover 15 of being located at high audio diaphragm voice coil loudspeaker voice coil 14 outsides, upwards enter bullet leading note screen covering 8, broadcast in bass sound basin 6 through the centre bore of hollow magnetic conductive core column 12, the diaphragm centre bore of superelevation audio frequency diaphragm voice coil loudspeaker voice coil 10.Be separately installed with the binding post 5 that is connected with bass voice coil loudspeaker voice coil 4 in basin frame 6 outsides with magnetic guiding loop 2 outsides, the binding post 1,13 that is connected with high audio, superelevation audio frequency voice coil loudspeaker voice coil.

Claims (2)

1, a kind of single magnet three frequency division coaxial loudspeaker, include the basin frame (6) that constitutes bass or middle pitch unit, sound basin (7), voice coil loudspeaker voice coil (4), ripple props up sheet (9) and reaches by magnet (3), bass or sound intermediate frequency magnetic circuit system that pole-guiding borad ring (11) and magnetic guiding loop (2) are formed, it is characterized in that ring form height magnetic force magnet (3) is bass or middle pitch, high pitch, the common magnet of superelevation sound unit, it is installed on the set convex circle (16) in magnetic guiding loop (2) middle and lower part, be connected with pole-guiding borad ring (11) above the magnet (3), magnetic guiding loop (2) upper ring surface is connected with basin frame (6) bottom surface, in the magnetic air gap that the bottom of voice coil loudspeaker voice coil (4) is positioned to form between pole-guiding borad ring (11) periphery wall and magnetic guiding loop (2) the top internal perisporium, the inner ring of magnet (3) is connected with hollow magnetic conductive core column (12), upward the plane is concordant with pole-guiding borad ring (11) for its upper prop circle face, lower prop circle face is concordant with the bottom surface of magnetic guiding loop convex circle (16), high audio diaphragm voice coil loudspeaker voice coil (14) is installed on the bottom surface of magnetic guiding loop convex circle (16) by its support, and make in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between the inner peripheral surface of magnetic guiding loop convex circle (16) and hollow magnetic conductive core column (12) the lower end outer peripheral face, high audio diaphragm voice coil loudspeaker voice coil outside is provided with leading note cover (15), the superelevation audio frequency diaphragm voice coil loudspeaker voice coil (10) of diaphragm center drilling is installed on the pole-guiding borad ring (11) by its support, and makes in the magnetic air gap that its voice coil loudspeaker voice coil is positioned to form between pole-guiding borad ring (11) inner peripheral surface and hollow magnetic conductive core column (12) the upper end outer peripheral face.

2, by the described single magnet three frequency division coaxial loudspeaker of claim 1, it is characterized in that being connected with on the pole-guiding borad ring (11) the bullet leading note screen covering (8) that extends to sound basin (7) center.