CN113630693A - Loudspeaker is felt to outer sound surrounding type body - Google Patents
Loudspeaker is felt to outer sound surrounding type body Download PDFInfo
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- CN113630693A CN113630693A CN202111015293.7A CN202111015293A CN113630693A CN 113630693 A CN113630693 A CN 113630693A CN 202111015293 A CN202111015293 A CN 202111015293A CN 113630693 A CN113630693 A CN 113630693A
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- sound
- diaphragm
- proof
- loudspeaker
- proof cover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The invention discloses an external sound surrounding type somatosensory loudspeaker, which belongs to the technical field of loudspeakers and comprises a directional loudspeaker assembly, wherein the directional loudspeaker assembly comprises a sound-proof cover, a rocker and a rotating motor, one end of the rocker is connected with the rotating motor, the other end of the rocker is fixedly connected with the sound-proof cover, the lower end of the sound-proof cover is opened and is mutually communicated with a cavity at the upper end of a conical cone through the opening, the top end of the sound-proof cover is closed, and a through hole is formed in the side wall of one side of the sound-proof cover. The sound is directionally transmitted through the sound-proof shield, the sound-proof shield is driven to rotate through the rotating motor, and an external sound surrounding type stereo loudspeaking mode is realized under the mutual cooperation effect; the consumption and absorption in the sound transmission path are reduced, and the original volume and tone quality can be maintained to the maximum extent by the sound overflowing from the through hole.
Description
Technical Field
The invention relates to the technical field of loudspeakers, in particular to an external sound surrounding type somatosensory loudspeaker.
Background
The loudspeaker is a transducer for converting an electric signal into an acoustic signal, and the quality of the loudspeaker has great influence on the sound quality. The loudspeaker is the weakest component in the audio equipment, and is the most important component for the audio effect. Loudspeakers are of a wide variety and vary widely in price. The audio frequency electric energy makes the paper cone or the diaphragm vibrate and generate resonance (resonance) with the surrounding air through electromagnetic, piezoelectric or electrostatic effect to make sound.
Patent No. CN92100803.1 discloses a body-sensible speaker, which includes a housing having upper and lower parts, a circular hole fastened by a top cover is formed at the center of the upper part; a thin magnetic disk of small diameter concentrically fixed to the inner side of the top cover; a tubular member secured around the upper central circular aperture; a solenoid coil wound around the tubular member; and an oscillating body for oscillating in response to a change in the magnetic field of the solenoid. When the oscillating body is fixed to the inner wall of the housing by the vibrating ring, a gap is formed between the upper and lower surfaces of the oscillating body and the inner surfaces of the upper and lower parts of the housing, and the oscillating body can freely vibrate up and down in response to a change in the magnetic field of the solenoid coil through which a current is passed.
Patent No. CN201720338229.5 discloses a multi-dimensional surround sound speaker array, which includes a first surround sound channel group, a second surround sound channel group, a third surround sound channel group and a fourth surround sound channel group in a movie hall, where the first surround sound channel group includes a plurality of top surround sound channels disposed on a ceiling, each top surround sound channel is provided with at least one speaker, the second surround sound channel group includes a plurality of second surround sound channels disposed on a wall, each second surround sound channel is provided with at least one speaker, the third surround sound channel group includes three surround sound channels on a plurality of surrounding walls, each three surround sound channel is provided with at least one speaker, the fourth surround sound channel group includes a bottom ground surround sound channel, and each bottom ground surround sound channel is provided with at least one speaker; movies of different surround sound formats can be shown.
However, the above patents all have the following problems: the same frequency of surrounding sound is not formed by the sounding structure of a single loudspeaker, and then no matter the inner wall of the equipment blocks or the sound channel is limited in the sound propagation process, the sound is consumed, the volume is reduced, and the tone quality is poor.
Disclosure of Invention
The invention aims to provide an external sound surrounding type somatosensory loudspeaker, wherein sound is blocked by a sound-proof cover with a lateral opening to be transmitted to partial direction, so that the sound is directionally transmitted, and then the sound-proof cover is driven to rotate by a rotating motor, so that an external sound surrounding type three-dimensional loudspeaker mode is realized under the mutual cooperation effect; the consumption and absorption in the sound transmission path are reduced, and the sound overflowing from the through hole can maintain the original volume and tone quality to the maximum extent so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a loudspeaker is felt to outer sound surrounding type body, includes frame, magnet, base, vibrating diaphragm, voice coil loudspeaker voice coil and toper cone, magnet has been placed to the bottom of frame, the middle part of base forms the post arch, and this bulge extends to the magnet middle part and the winding has the voice coil loudspeaker voice coil, the middle part of frame is provided with vibrating diaphragm, toper cone is installed to vibrating diaphragm's top, the upper end swivelling joint of toper cone has the directional subassembly of raising one's voice, the directional subassembly of raising one's voice includes sound-proof housing, rocker and rotating electrical machines, the one end of rocker is connected with rotating electrical machines, and rocker other end fixedly connected with sound-proof housing, the lower extreme opening of sound-proof housing communicates with toper cone upper end cavity each other through this opening, the top of sound-proof housing is sealed, and has seted up the through-hole on the lateral wall of sound-proof housing one side.
Further, the upper end inner wall of sound-proof housing is the cambered surface, and the sound-proof housing is formed by stereoplasm plastic layer and the compounding of anti-soundboard layer, and the anti-soundboard layer is located the inner wall of sound-proof housing.
Further, a rubber layer is welded on the lower bottom surface of the base in a welded mode, a copper wire mesh is arranged in the middle of the rubber layer, and the lower end of the base is fixedly connected with a rotating motor through bolts.
Furthermore, the edge of the upper end face of the conical cone is provided with an inward-concave annular chute, the edge of the lower end face of the sound-proof cover is provided with a downward-convex annular strip, and the annular strip rotates along the annular chute.
Furthermore, the sheet body of the vibration diaphragm is annular, and the vibration diaphragm undulates from the middle part to the edge in a wavy manner.
Furthermore, the outer edge of the vibrating diaphragm is provided with an outer vibrating diaphragm extending outwards, an outer vibrating assembly is screwed on the outer wall of the frame through threads, and the body of the outer vibrating diaphragm extends into the outer vibrating assembly.
Further, outer vibration subassembly includes sound track, interior ring opening, outer ring opening, keeps off net, sealing strip, interior casing and shell body, form the sound channel between interior casing and the shell body, the upper end of sound channel is seted up and is put outer ring opening, install in the outer ring opening and keep off the net, the lower extreme inboard of sound channel is equipped with interior ring opening, the edge of interior ring opening department butt fusion has the sealing strip.
Further, the outer edge of the vibrating diaphragm is provided with a metal sheet extending outwards, the metal sheet is annular, and the outer edge of the metal sheet is arc-shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the external sound surrounding type somatosensory loudspeaker provided by the invention, sound is blocked from being transmitted to part of directions through the sound-proof cover with the side opening, so that the sound is directionally transmitted, the sound-proof cover is driven to rotate through the rotating motor, and under the mutual cooperation effect, the external sound surrounding type three-dimensional loudspeaker mode is realized.
2. The external sound surrounding type somatosensory loudspeaker provided by the invention is provided with the sound reflecting plate, so that the sound can be prevented from being transmitted towards partial directions, the consumption and absorption in sound transmission paths can be reduced, and the original volume and tone quality can be maintained to the maximum extent by the sound overflowing from the through hole.
Drawings
Fig. 1 is an overall structural view of an external sound surround type somatosensory speaker according to a first embodiment of the invention;
fig. 2 is a structural diagram of a directional speaker assembly of an external sound surround type somatosensory speaker according to a first embodiment of the invention;
fig. 3 is a structural view of a diaphragm of an external sound surround type somatosensory speaker according to a second embodiment of the invention;
fig. 4 is a connection diagram of an external vibration component of an external sound surround type somatosensory speaker according to a third embodiment of the invention;
fig. 5 is a structural view of an external vibration plate of an external sound surround type somatosensory speaker according to a third embodiment of the invention;
fig. 6 is a structural diagram of an external vibration component of an external sound surround type somatosensory speaker according to a third embodiment of the invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 according to the present invention.
In the figure: 1. a frame; 2. a magnet; 3. a base; 4. vibrating the diaphragm; 5. a voice coil; 6. a conical cone; 7. a directional loudspeaking assembly; 71. a sound-proof housing; 72. a rocker; 73. a rotating electric machine; 74. a through hole; 8. an outer vibrating piece; 9. an outer vibrating assembly; 91. a sound channel; 92. an inner annular opening; 93. an outer annular opening; 94. blocking the net; 95. a sealing strip; 96. an inner housing; 97. an outer housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1 to 2, an external sound surrounding type somatosensory loudspeaker comprises a frame 1, a magnet 2, a base 3, a vibrating diaphragm 4, a voice coil 5 and a cone-shaped paper cone 6, wherein the magnet 2 is placed at the bottom of the frame 1, a column bulge is formed in the middle of the base 3, the bulge extends to the middle of the magnet 2 and is wound with the voice coil 5, a rubber layer is welded on the lower bottom surface of the base 3, a copper wire mesh is arranged in the middle of the rubber layer and forms a shielding layer for shielding electromagnetism, the rubber layer is made of an insulating material and ensures use safety, a rotating motor 73 is fixedly connected to the lower end of the base 3 through bolts to prevent the electromagnetism from interfering with the normal operation of the motor and ensure that the sound tone quality of the loudspeaker is not affected, the vibrating diaphragm 4 is arranged in the middle of the frame 1, the sheet body of the vibrating diaphragm 4 is annular, the upper surface and the lower surface of the vibrating diaphragm are planar, the cone-shaped paper cone 6 is installed above the vibrating diaphragm 4, the edge of the upper end face of the conical cone 6 is provided with an inward sunken annular chute, the edge of the lower end face of the sound-proof shield 71 is provided with an annular strip protruding downwards, the annular strip rotates along the annular chute, the cross sections of the annular chute and the annular strip are both T-shaped, the annular chute and the annular strip are matched with each other and have a limiting effect, the sound-proof shield 71 is prevented from being separated from the conical cone 6, the upper end of the conical cone 6 is rotatably connected with a directional loudspeaking assembly 7, the directional loudspeaking assembly 7 comprises a sound-proof shield 71, a rocker 72 and a rotating motor 73, one end of the rocker 72 is connected with the rotating motor 73, the other end of the rocker 72 is fixedly connected with the sound-proof shield 71, sound is blocked by the sound-proof shield 71 with a lateral opening, so that sound is directionally propagated, the rotating motor 73 drives the sound-proof shield 71 to rotate, under the mutual matching effect, the external sound surrounding type stereo loudspeaking mode is realized, the inner wall of the upper end of the sound-proof shield 71 is a cambered surface, and sound-proof housing 71 is formed by rigid plastic layer and the compounding of sound reflecting plate layer, the sound reflecting plate layer is located sound-proof housing 71's inner wall, the sound reflecting plate layer is used for blockking sound, make sound can orient and spill over from through-hole 74, set up the sound reflecting plate, not only can block sound to partial direction propagation, can also reduce consumption and absorption in the sound propagation route, spill over sound from through-hole 74 and can furthest maintain original volume and tone quality, it is rotatory along with rotating electrical machines 73 drive sound-proof housing 71, the place position of through-hole 74 is 360 degrees rotations in step, realize the three-dimensional loudspeaker of surrounding type, the lower extreme opening of sound-proof housing 71 communicates with toper cone 6 upper end cavity each other through this opening, the top of sound-proof housing 71 is sealed, and through-hole 74 has been seted up on the lateral wall of sound-proof housing 71 one side.
Example two
The present embodiment differs from the first embodiment only in the shape of the vibrating diaphragm 4;
referring to fig. 3, the sheet body of the diaphragm 4 is annular, and it is wavy to the edge by the middle part, through changing the state of diaphragm 4, improve the bullet ripples quantity, wavy vibrating diaphragm 4 that undulates can produce double-deck bullet ripples at vibrations in-process, wherein, the elasticity and the dynamics of double-deck bullet ripples increase, control voice coil 5 effectively in the magnetic circuit within range, and double-deck bullet ripples can improve the vibration stroke of speaker, the operation upper limit of speaker power control has been strengthened, have important effect equally to preventing the distortion and guaranteeing speaker stability, therefore, under the condition of using the speaker for a long time at high load, the double-deck bullet ripples of speaker effectively deals with high-power, the vibration frequency channel of large stroke and can not distort, sound transmission performance efficiency is higher, the acoustic pressure is bigger, the comprehensive properties of whole speaker product has been strengthened.
EXAMPLE III
The difference between the present embodiment and the second embodiment is only that the present embodiment is added with an external vibrating piece 8 and an external vibrating assembly 9 at the external vibrating piece 8;
referring to fig. 4 to 7, the outer edge of the vibrating diaphragm 4 is provided with an outer vibrating reed 8 extending outward, the outer wall of the frame 1 is screwed with an outer vibrating component 9 through a thread, and the body of the outer vibrating reed 8 extends into the outer vibrating component 9; the outer vibration component 9 comprises a sound channel 91, an inner ring opening 92, an outer ring opening 93, a blocking net 94, a sealing strip 95, an inner shell 96 and an outer shell 97, wherein the sound channel 91 is formed between the inner shell 96 and the outer shell 97, the outer ring opening 93 is arranged at the upper end of the sound channel 91, the blocking net 94 is installed in the outer ring opening 93, the inner ring opening 92 is arranged on the inner side of the lower end of the sound channel 91, the sealing strip 95 is welded at the corner of the inner ring opening 92, and the outer vibration plate 8 extends into the sound channel 91 from the inner ring opening 92, wherein the elastic wave of the vibration diaphragm 4 is transmitted to the outer vibration plate 8, the outer vibration plate 8 vibrates in the annular sound channel 91 to generate sound which is transmitted outwards through the outer ring opening 93, namely, an annular structure is additionally arranged around the original sound generating loudspeaker, the sound generating structure generates the sound at the same frequency as the sound generated by the vibration of the vibration diaphragm 4 without generating noise and noise, and simultaneously forms an annular outer sound independent of the vibration diaphragm 4, the annular external sound auxiliary directional loudspeaker component 7 forms a comprehensive three-dimensional surround sound, and improves the multi-directionality and the multi-variability of the sound of the loudspeaker.
Example four
The present embodiment is different from the second embodiment only in the structure of the vibrating diaphragm 4 in the present embodiment;
the outward extending metal sheet is arranged on the outer edge of the vibrating diaphragm 4, the metal sheet is annular, the outer edge of the metal sheet is arc-shaped, the elastic wave of the vibrating diaphragm 4 is transmitted to the metal sheet, the metal sheet vibrates, the vibration can be transmitted through a solid sound guide structure such as bones and ironworks, contact type volume transmission is achieved, the volume transmitted by the solid can assist the directional loudspeaker component 7 to form full-face stereo surround sound, and the multi-direction and the multi-variability of the sound of the loudspeaker are improved.
In summary, the following steps: according to the external sound surrounding type somatosensory loudspeaker provided by the invention, sound is blocked by the sound-proof cover 71 with the lateral opening to be transmitted to partial direction, so that the sound is directionally transmitted, the sound-proof cover 71 is driven to rotate by the rotating motor 73, and under the mutual cooperation effect, an external sound surrounding type stereo loudspeaker mode is realized; the sound reflecting plate can not only block the sound from propagating to partial direction, but also reduce the consumption and absorption in the sound propagation path, and the sound overflowing from the through hole 74 can maintain the original volume and tone quality to the maximum extent.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. The utility model provides a speaker is felt to outer sound surrounding type, includes frame (1), magnet (2), base (3), vibrating diaphragm (4), voice coil loudspeaker voice coil (5) and toper cone (6), magnet (2) have been placed to the bottom of frame (1), the middle part of base (3) forms the post arch, and this bulge extends to magnet (2) middle part and twines voice coil loudspeaker voice coil (5), the middle part of frame (1) is provided with vibrating diaphragm (4), toper cone (6) are installed to the top of vibrating diaphragm (4), its characterized in that, the upper end swivelling joint of toper cone (6) has directional loudspeaker subassembly (7), directional loudspeaker subassembly (7) include sound-proof housing (71), rocker (72) and rotating electrical machines (73), the one end of rocker (72) is connected with rotating electrical machines (73), and rocker (72) other end fixedly connected with sound-proof housing (71), the lower end of the sound-proof cover (71) is opened and is communicated with the cavity at the upper end of the conical cone (6) through the opening, the top end of the sound-proof cover (71) is closed, and a through hole (74) is formed in the side wall of one side of the sound-proof cover (71).
2. The exoacoustic surround type somatosensory speaker according to claim 1, wherein the inner wall of the upper end of the sound-proof housing (71) is an arc surface, and the sound-proof housing (71) is formed by compounding a hard plastic layer and a sound-reflecting plate layer, and the sound-reflecting plate layer is positioned on the inner wall of the sound-proof housing (71).
3. The exoacoustic surround type somatosensory speaker according to claim 1, wherein a rubber layer is welded on the lower bottom surface of the base (3), a copper wire mesh is arranged in the middle of the rubber layer, and the lower end of the base (3) is fixedly connected with the rotating motor (73) through bolts.
4. The exoacoustic surround type somatosensory speaker according to claim 1, wherein the upper end face edge of the cone-shaped cone (6) is provided with an inwardly concave annular sliding groove, the lower end face edge of the sound-proof cover (71) is provided with a downwardly convex annular strip, and the annular strip rotates along the annular sliding groove.
5. An exoacoustic surround type somatosensory speaker according to claim 1, wherein the body of the diaphragm (4) is annular and undulates from the middle to the edge.
6. An exoacoustic surround type somatosensory speaker according to claim 1, wherein the diaphragm (4) is provided at its outer edge with an outwardly extending outer diaphragm (8), the frame (1) is screwed to an outer wall thereof with an external vibrating member (9), and the body of the outer diaphragm (8) extends into the external vibrating member (9).
7. The external sound surrounding type somatosensory loudspeaker according to claim 1, wherein the external vibration component (9) comprises a sound channel (91), an inner ring opening (92), an outer ring opening (93), a blocking net (94), a sealing strip (95), an inner shell (96) and an outer shell (97), the sound channel (91) is formed between the inner shell (96) and the outer shell (97), the outer ring opening (93) is arranged at the upper end of the sound channel (91), the blocking net (94) is installed in the outer ring opening (93), the inner ring opening (92) is arranged on the inner side of the lower end of the sound channel (91), and the sealing strip (95) is welded at the edge of the inner ring opening (92).
8. An exoacoustic surround type somatosensory speaker according to claim 1, wherein the outer edge of the diaphragm (4) is provided with an outwardly extending foil, the foil being annular and the outer edge of the foil being arcuate.
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| CN202111015293.7A CN113630693B (en) | 2021-08-31 | 2021-08-31 | External sound surrounding type somatosensory loudspeaker |
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| CN202111015293.7A CN113630693B (en) | 2021-08-31 | 2021-08-31 | External sound surrounding type somatosensory loudspeaker |
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| CN113630693B (en) | 2023-05-12 |
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