WO2015142095A1 - Haut-parleur de type en treillis et système de haut-parleurs en réseau de type en treillis le comprenant - Google Patents

Haut-parleur de type en treillis et système de haut-parleurs en réseau de type en treillis le comprenant Download PDF

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Publication number
WO2015142095A1
WO2015142095A1 PCT/KR2015/002714 KR2015002714W WO2015142095A1 WO 2015142095 A1 WO2015142095 A1 WO 2015142095A1 KR 2015002714 W KR2015002714 W KR 2015002714W WO 2015142095 A1 WO2015142095 A1 WO 2015142095A1
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Prior art keywords
horn
woofer
speaker
lattice
tweeter
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PCT/KR2015/002714
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English (en)
Korean (ko)
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김태형
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김태형
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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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers

Definitions

  • the present invention relates to a lattice type speaker, and a lattice array speaker system having the same.
  • the present invention implements a tweeter horn constituting the speaker as a lattice horn having a cross type at the top but a horn type at its entire body, and an upper portion of the lattice horn.
  • a tweeter horn constituting the speaker as a lattice horn having a cross type at the top but a horn type at its entire body, and an upper portion of the lattice horn.
  • a speaker is a device for reproducing sound by converting electrical energy into physical energy and outputting a sound or a high or low sound depending on a sound source.
  • the types of the speaker are classified into the regeneration method. There are moving coil type dynamic speaker, electrostatic speaker, ribbon speaker, piezoelectric speaker, and other types of speakers. Speakers, etc.
  • a line speaker system which is a large speaker in which a plurality of speakers are connected in series in one direction (for example, vertical direction), is used to maximize a performance effect.
  • 1A is a cross-sectional view of a coaxial speaker according to the prior art.
  • a coaxial speaker is provided with a woofer (woofer) woofer for reproducing bass, a treble speaker (13) for tweeter (Tweeter) installed at an upper side of the woofer (11), and bass It has a connecting member 15 for coaxially connecting the speaker 11 and the treble speaker 13.
  • the lower side of the connection member 15 is inserted and coupled to the woofer speaker 11, the upper side of the treble speaker 13 is received and coupled.
  • the woofer speaker 11 and the treble speaker 13 are coaxially connected.
  • an improved coaxial speaker capable of adjusting the treble speaker position is used.
  • FIG. 1B is a cross-sectional view of an improved coaxial speaker according to the prior art
  • FIG. 1C is an exploded perspective view of the first and second support members shown in FIG. 1B.
  • the improved coaxial speaker is positioned coaxially with the woofer speaker 110 for generating a bass sound, the woofer speaker 110 with respect to an imaginary vertical line, and at the same time a relatively low speaker ( It is located on the upper side of 110 has a treble speaker 120 for generating a high tone.
  • the surface facing the woofer speaker 110 is made on the basis of the virtual vertical line, the surface facing the treble speaker 120 is called an upper surface.
  • the woofer 110 may include a first frame 111, a first plate 113 coupled to a bottom surface of the first frame 111, a first magnet 114 coupled to a bottom surface of the first plate 113, and a first frame 111.
  • the first yoke 115 coupled to the bottom surface of the first magnet 114, the first diaphragm 117 coupled to the first frame 111, and the upper end side coupled to the central side of the first diaphragm 117.
  • the lower end side has a first voice coil 118 located between the first plate 113 and the first yoke 115.
  • the first voice coil 118 vibrates up and down by the action of the first voice coil 118 and the first magnet 114, thereby The first diaphragm 117 vibrates up and down to generate a low tone sound.
  • the treble speaker 120 has a second yoke at a predetermined distance from the inner surface of the second yoke 123 and the second yoke 123 coupled to the inner surface of the second frame 121.
  • the second magnet 124 and the second plate 125 which are sequentially stacked and coupled to the inside of the 123, the second diaphragm 127 coupled to the second frame 125, and the upper side of the second diaphragm 127 127 and a lower side having a second voice coil 128 positioned between the second yoke 123 and the second plate 125.
  • the second voice coil 128 vibrates up and down by the action of the second voice coil 128 and the second magnet 124, thereby The second diaphragm 127 vibrates up and down to generate high-pitched sound.
  • the above-described woofer speaker 110 and the treble speaker 120 is connected coaxially by the first support member 130 and the second support member 140, the treble speaker 120 according to the present embodiment is a first And by the second support member (130,140) it is possible to adjust the rotation and orientation angle.
  • the first support member 130 has a lower side fixed to the woofer speaker 110 and the upper side is formed to be rotatable about the virtual vertical line, the lower support member 131 and the intermediate support member ( 134 and an upper support member 137.
  • the lower support member 131 is formed in a cylindrical shape so that the lower outer peripheral surface is inserted into the first yoke 115 and fixed.
  • a support frame 131a protruding outward is formed on the outer peripheral surface of the center portion side of the lower support member 131, and a plurality of first locking protrusions 131b are formed in the longitudinal direction on the upper peripheral surface thereof.
  • the woofer speakers 11 and 110 and the treble speakers 13 and 120 are coaxially connected, or the treble speakers 120 are connected to the first and second support members 130 and 140.
  • the rotation and the direction angle can be adjusted is achieved, but the following problems still occur.
  • FIG. 1D is a diagram schematically showing a high-frequency propagation state when using a coaxial speaker of the prior art.
  • the woofer speakers 11 and 110 have a large horn shaped first diaphragm 117, while the treble speakers 13 and 120 have a relatively small convex curved second diaphragm 127. Equipped. Accordingly, as shown in FIG. 1D, the treble generated in the treble speakers 13 and 120 spreads along the second frame 121 along a direction angle range (and thus a relatively narrow range).
  • the wavelength is relatively shorter than that of the bass.
  • High frequencies have a characteristic of mutual interference between different high frequencies generated by a plurality of speakers, so high frequencies, for example, in a large venue, may not be delivered to the audience at a particular location or may be weak. Causes a problem.
  • FIG. 1E is a view schematically illustrating a high-frequency propagation state when using a line speaker system in which a plurality of coaxial speakers of the prior art are connected in one direction.
  • a line speaker system in which three coaxial speakers are arranged in lines is exemplarily illustrated, but it is apparent that the number of coaxial speakers may be two or four.
  • the treble generated in each coaxial speaker is spread along each second frame 121 as shown in FIG. 1D.
  • the diaphragms 127 of the respective treble speakers 120 are disposed to be spaced apart from each other, the high-frequency wavefronts WF1, WF2, and WF3 generated by the diaphragm 127 overlap each other.
  • constructive interference occurs at positions where treble wavelengths have no path difference or are even multiples of half wavelength
  • destructive interference occurs at positions where treble wavelengths are odd multiples of half wavelength.
  • DI destructive interference
  • the tweeter horn constituting the speaker has a cross shape at the top, but the whole body is implemented as a lattice horn of the horn shape, the four round-shaped cutoff portion at the top of the lattice horn
  • the transmission distance and range of the treble and bass are considerably increased, so that the overall sound transmission distance is wider and farther than that of the prior art.
  • the wavefront forms substantially one plane wave at the overlapping portion of the treble generated by each of the plurality of Lattice-type speakers, thereby preventing the occurrence of interference.
  • Lattice-type speakers capable of transmitting high enough sound, and To provide a lattice array speaker system with.
  • the lattice type speaker includes a woofer horn having an upper portion having a rectangular shape and a lower portion having a horn shape, a woofer diaphragm provided below the woofer horn, and the woofer diaphragm, and the woofer horn
  • a woofer speaker including a woofer frame to which it is mounted
  • a magnetic circuit member provided at a lower portion of the woofer frame to surround the lower side of the tweeter horn, wherein the lattice horn has a cross shape at the top thereof when viewed from an upper direction, and has an overall body shape of the horn shape. do.
  • the lattice type speaker includes a woofer horn having an upper portion having a rectangular shape and a lower portion having a horn shape, a woofer diaphragm provided at a lower portion of the woofer horn, and a woofer diaphragm embedded therein.
  • a woofer speaker including a woofer frame to be mounted and a woofer driver having a woofer magnetic circuit member provided below the woofer frame; And a tweeter horn provided inside the woofer speaker, a tweeter diaphragm provided below the tweeter horn, a tweeter magnetic circuit member provided below the tweeter horn, and a tweeter driver provided below the tweeter diaphragm.
  • the lattice horn is characterized in that the upper portion has a cross shape, but the whole body is a horn shape as seen from the upper direction.
  • the lattice array speaker system includes a plurality of lattice type speakers arranged to be connected along a plane in one or both directions of a horizontal plane and a vertical plane, wherein the plurality of lattice types
  • the speaker includes a woofer horn each having a quadrangular upper portion and a horn shape at the lower portion thereof, a woofer diaphragm provided below the woofer horn, and a woofer frame in which the woofer diaphragm is mounted and to which the woofer horn is mounted.
  • a treble speaker implemented as a lattice horn and including a tweeter horn provided inside the woofer speaker, a tweeter diaphragm provided below the tweeter horn, and a tweeter driver provided below the tweeter diaphragm; And a magnetic circuit member provided below the woofer frame to surround the lower side of the tweeter horn, wherein the lattice horn has a cross shape at the top thereof when viewed from above and the whole body is a horn shape. do.
  • the lattice array speaker system includes a plurality of lattice type speakers arranged to be connected along one of the curved surfaces of the first curved surface in the horizontal direction and the second curved surface in the vertical direction, or both.
  • Each of the plurality of lattice type speakers includes a woofer horn having an upper portion having a rectangular shape and a lower portion having a horn shape, a woofer diaphragm provided at a lower portion of the woofer horn, and a woofer frame having the woofer diaphragm embedded therein and the woofer horn mounted thereon
  • a woofer comprising a;
  • a treble speaker implemented as a lattice horn and including a tweeter horn provided inside the woofer speaker, a tweeter diaphragm provided below the tweeter horn, and a tweeter driver provided below the tweeter diaphragm;
  • a magnetic circuit member provided below the woofer frame to surround the lower side of the tweeter horn, wherein the lattice horn has a cross shape at the top thereof when viewed from above and the whole body is a horn shape. do.
  • the sound is collected in a certain direction, which greatly increases the transmission range and range of the high and low frequencies.
  • the overall sound transmission distance is wider and the sound field can be formed to be transmitted farther, so that a sound effect can be obtained in a wider space.
  • Lattice horns used in Lattice-type speakers can increase the external transverse and longitudinal lengths and the depth lengths, allowing the use of large sized lattice horns. As a result, the threshold frequency of the lowest treble in the treble range can be further lowered, and a high sound pressure can be provided to enable clearer reproduction of the mid and treble.
  • the wavefront forms substantially one plane wave at the portion where the trebles generated in each of the plurality of lattice type speakers overlap, the occurrence of interference phenomenon is prevented, for example, a very large venue. Even in the high-pitched tone can be delivered well enough regardless of the audience position.
  • 1A is a cross-sectional view of a coaxial speaker according to the prior art.
  • 1B is a cross-sectional view of an improved coaxial speaker according to the prior art.
  • FIG. 1C is an exploded perspective view of the first and second support members shown in FIG. 1B.
  • FIG. 1D is a diagram for describing a problem of a treble speaker in the improved coaxial speaker according to the related art shown in FIG. 1B.
  • FIG. 1E schematically illustrates a high-frequency propagation state when using a line speaker system in which a plurality of conventional coaxial speakers are connected in one direction.
  • FIG. 2A is a top perspective view of a lattice type speaker according to a first embodiment of the present invention.
  • Fig. 2B is a side view of the lattice type speaker according to the first embodiment of the present invention shown in Fig. 2A.
  • FIG. 2C is a cross-sectional view of the lattice type speaker according to the first embodiment of the present invention shown in FIG. 2B.
  • FIG. 2D is an exploded perspective view of a lattice type speaker according to the first embodiment of the present invention shown in FIG. 2A having a sealed enclosure.
  • FIG. 2E is a perspective view of the lattice type speaker according to the first embodiment of the present invention shown in FIG. 2A having a hermetically sealed enclosure.
  • FIG. 2F is a top perspective view according to a modified embodiment of the lattice type speaker unit according to the first embodiment of the present invention shown in FIGS. 2A to 2D.
  • FIG. 2G is a bottom perspective view of a lattice type speaker according to a modified embodiment of the present invention shown in FIG. 2F.
  • FIG. 2H is an exploded perspective view of a lattice type speaker according to a modified embodiment of the present invention shown in FIG. 2F having an open enclosure.
  • FIG. 2I is a perspective view of a lattice type speaker according to a modified embodiment of the present invention shown in FIG. 2F having a sealed enclosure.
  • 2J is a perspective view and a cross-sectional view of a lattice type speaker according to a second embodiment of the present invention.
  • 2K illustrates a lattice array speaker system according to a first embodiment of the present invention.
  • 2L illustrates a lattice array speaker system according to a second embodiment of the present invention.
  • FIG. 2M illustrates a propagation state of a high acoustic wave surface generated by a plurality of lattice type speakers used in the lattice array speaker system according to the first and second embodiments of the present invention shown in FIGS. 2K and 2L, respectively.
  • FIG. 2A is a top perspective view of a lattice type speaker according to the first embodiment of the present invention
  • FIG. 2B is a side view of the lattice type speaker according to the first embodiment of the present invention shown in FIG. 2A
  • FIG. 2 is a cross-sectional view of a lattice type speaker according to a first embodiment of the present invention
  • FIG. 2D is an exploded perspective view of the lattice type speaker according to the first embodiment of the present invention shown in FIG. Is a perspective view of a lattice type speaker according to the first embodiment of the present invention shown in FIG. 2A having a hermetically sealed enclosure.
  • a lattice type speaker 200 has a woofer horn having an upper portion having a square portion 217a and a lower portion having a horn type ( 217, a woofer diaphragm 211 provided below the woofer horn 217, and a woofer diaphragm including a woofer frame 215 on which the woofer diaphragm 211 is mounted and on which the woofer horn 217 is mounted.
  • a treble speaker 220 including a tweeter driver 223 provided at a lower portion thereof; And a magnet circuit device 234 provided to surround the lower side of the tweeter horn 227 at the bottom of the woofer frame 215, wherein the lattice horn is viewed in an upward direction with a cross thereon. It has a shape (cross type), but the entire body is characterized in that the horn (horn type).
  • the lattice type speaker 200 further includes a sealed enclosure 202 in which the woofer speaker 210, the treble speaker 220, and the magnetic circuit member 234 are built. It can be included as.
  • the magnetic circuit member 234 is provided between the upper and lower plates 233a and 233b and the upper and lower plates 233a and 233b. Consisting of a magnet 231.
  • the lattice type speaker 200 includes a woofer speaker 210.
  • the woofer 210 includes a woofer horn 217 and a woofer diaphragm 211.
  • the woofer horn 217 has a square portion 217a at an upper portion thereof and a horn shape at a lower portion thereof.
  • the woofer diaphragm 211 is provided below the woofer horn 217.
  • the woofer diaphragm 211 is embedded in the woofer frame 215, and the woofer horn 217 is mounted to the woofer frame 215.
  • the lattice type speaker 200 includes a treble speaker 220.
  • Treble speaker 210 includes tweeter horn 227 and tweeter diaphragm 221.
  • the tweeter horn 227 is implemented as a lattice horn and is provided inside the woofer speaker 210.
  • a lattice horn refers to a horn having a cross shape at the top thereof as seen in the upper direction but having a horn shape at its entire body.
  • the tweeter diaphragm 221 is provided below the tweeter horn 227.
  • the woofer coil 213 is wound between the lower part of the woofer diaphragm 211 and the inner side of the upper plate 233a of the magnetic circuit member 234 along the outer circumference of the tweeter horn 227.
  • a woofer damper 219 is provided between the woofer coil 213 and the woofer frame 215 at the bottom of the woofer diaphragm 211.
  • a tweeter equalizer 225 is provided between the lower end of the tweeter horn 227 and the tweeter diaphragm 221.
  • a cover member 229 is provided outside the tweeter driver 223 which vibrates the tweeter diaphragm 221.
  • the lattice type speaker 200 includes a magnetic circuit member 234.
  • the magnetic circuit member 234 is provided to surround the lower side of the tweeter horn 227 at the bottom of the woofer frame 215.
  • the magnetic circuit member 234 is composed of the upper and lower plates 233a and 233b, and the magnet 231 provided between the upper and lower plates 233a and 233b.
  • the woofer speaker 210 and the treble speaker 220 is mounted in a coaxial state.
  • the tweeter horn 227 constituting the treble speaker 220 may be implemented as a lattice horn.
  • the tweeter horn 227 has four lattice ends 227a defined by four rounded cutoff portions 227b thereon. These four lattice ends 227a may each be mounted directly on the square shaped portion 217a of the woofer horn 217 or may be provided spaced apart.
  • the lattice type speaker 200 may further include a sealed enclosure 202.
  • the hermetic enclosure 202 may include a woofer speaker 210, a treble speaker 220, a tweeter driver 223, and a magnetic circuit member 234. Accordingly, some of the bass and treble generated by the bass speaker 210 and the treble speaker 220 are reflected in the sealed enclosure 202 to increase the volume of the bass and treble, as well as to reproduce the bass well and treble. The sound quality is improved.
  • the woofer coil 213 when an external current is applied to the woofer coil 213, the woofer coil 213 may be operated by the action of the woofer coil 213 and the magnetic circuit member 234. 213 vibrates up and down, and thus the bass generated by the woofer diaphragm 211 vibrates up and down moves the woofer horn 217 through the empty space 217c between the tweeter horn 227 and the woofer horn 217. Delivered along.
  • the tweeter driver 223 when a voice current is applied to the tweeter driver 223, vertical vibration of the tweeter diaphragm 221 occurs, and in this case, an impedance value generated according to an interval between the tweeter diaphragm 221 and the tweeter equalizer 225 varies.
  • the smaller the impedance value the better the vibration of the tweeter diaphragm 221 can be reproduced higher sound pressure (that is, treble) can be transmitted to a far distance.
  • the treble reproduced by the tweeter diaphragm 221 determines the lowest limit frequency of the treble region according to the size of the tweeter horn 227 attached, and the larger the treble horn 227, the higher the treble of the lower range. At the same time the sound pressure rises.
  • the tweeter horn 227 which reproduces the treble, is delivered along the four lattice ends 227a.
  • the four lattice ends 227a of the tweeter horn 227 may be mounted on the square shape 217a of the woofer horn 217 or may be provided spaced apart.
  • Figure 2f is a top perspective view according to a modified embodiment of the lattice type speaker unit according to the first embodiment of the present invention shown in Figures 2a to 2d
  • Figure 2g is a modified embodiment of the present invention shown in Figure 2f
  • FIG. 2H is an exploded perspective view of a lattice type speaker having an open enclosure according to a modified embodiment of the present invention shown in FIG. 2F
  • FIG. 2I is a modified perspective view of the present invention shown in FIG. 2F.
  • a lattice type speaker according to an example is a combined perspective view with an open enclosure.
  • the upper portion of the woofer horn 217 has four cutoff edge portions 217b and includes a duct 202a. It is substantially the same as the Lattice type speaker 200 according to the first embodiment of the present invention shown in FIGS. 2A-2E except that one open enclosure 202 is used.
  • the four cutoff edge portions 217b have a shape in which right-angled triangular portions are cut off at four vertices of the quadrangular portion 217a.
  • the lattice type speaker 200 includes the woofer speaker 210, the treble speaker 220, and a magnetic circuit. Member 234 and tweeter driver 223 are incorporated. These open enclosures 202 are provided with separate ducts 202a in positions corresponding to the four cutoff edges 217b of the woofer horn 217. These ducts 202a have a relatively good reproduction of the bass through reflection of the bass in the open enclosure 202.
  • the woofer diaphragm 211 and the tweeter diaphragm 2 are formed by one magnetic circuit member 234.
  • a speaker in which the woofer speaker 210 and the treble speaker 220 are integrally coupled to each other to vibrate 221 is illustrated.
  • the lattice type speaker 200 of the present invention is a separate type in which a woofer diaphragm 211 and a tweeter diaphragm 221 are separately provided to the woofer diaphragm 210 and the treble speaker 220 so that the woofer diaphragm 211 and the tweeter diaphragm 221 may vibrate separately. It will be appreciated that it can be implemented as a speaker.
  • FIG. 2J is a perspective view and a cross-sectional view of a lattice type speaker according to a second embodiment of the present invention.
  • the lattice type speaker 200 includes a woofer horn 217 having an upper portion having a square portion 217a and a lower portion having a horn shape, and the woofer horn (
  • a woofer speaker 210 including a woofer driver 213a having a woofer magnetic circuit member 234a;
  • a tweeter horn 227 provided inside the woofer speaker 210, a tweeter diaphragm 221 provided below the tweeter horn 227, and a lower part of the tweeter horn 227.
  • a treble speaker 220 having a tweeter magnetic circuit member 234 provided, and a tweeter driver 223a provided below the tweeter diaphragm 221, wherein the lattice horn is viewed from above. It has a cross shape but its entire body is characterized by a horn shape.
  • the lattice type speaker 200 according to the second embodiment of the present invention described above is provided in the woofer horn 217 and the woofer frame 215 and has a tweeter cover 229 surrounding the treble speaker 220. It may further comprise.
  • the lattice type speaker 200 according to the second embodiment of the present invention includes a hermetic enclosure 202 in which the woofer 210 and the treble speaker 220 are built, as shown in FIGS. 2D and 2E. It may further comprise.
  • the upper portion of the woofer horn 217 may have four cutoff edge portions 217b, in which case the second embodiment of the present invention.
  • the Lattice type speaker 200 according to the present invention may further include an open enclosure 202 in which the woofer speaker 210, the treble speaker 220, and the magnetic circuit member 234 are embedded (see FIG. 2J). . These open enclosures 202 have separate ducts 202a at positions corresponding to the four cutoff edges 217b of the woofer horn 217.
  • the woofer speaker 210 and the treble speaker 220 is mounted in a coaxial state.
  • the woofer speaker 210 and the treble speaker 220 are driven separately by the woofer driver 213a and the tweeter driver 223a, respectively. Implemented as a detachable speaker.
  • FIG. 2K illustrates a lattice array speaker system according to a first embodiment of the present invention.
  • the lattice array speaker system according to the first embodiment of the present invention shown in FIG. 2K is a flat lattice array speaker system as described below.
  • the planar lattice array speaker system 201 has a direction of either or both of a horizontal plain surface and a vertical plain surface.
  • a plurality of lattice type speaker 200 is arranged to be connected along a plane, each of the plurality of lattice type speaker 200 may be implemented as a lattice type speaker 200 as shown in Figs. 2a to 2j have.
  • the plurality of lattice type speakers 200 includes a woofer horn 217 having an upper portion having a square portion 217a and a lower portion having a horn shape, and a woofer diaphragm provided under the woofer horn 217. 211) and a woofer speaker 210 including the woofer diaphragm 211 and a woofer frame 215 on which the woofer horn 217 is mounted;
  • a lattice horn a tweeter horn 227 provided inside the woofer speaker 210, a tweeter diaphragm 221 provided below the tweeter horn 227, and a lower part of the tweeter diaphragm 221.
  • a treble speaker 220 including a tweeter driver 223 provided; And a magnetic circuit member 234 provided to surround the lower side of the tweeter horn 227 at the bottom of the woofer frame 215 (lattice type according to the first embodiment shown in FIGS. 2A-2E). Speaker (200)).
  • each of the plurality of lattice type speakers 200 may be implemented as a lattice type speaker 200 according to a modified embodiment of the present invention illustrated in FIGS. 2F to 2I.
  • each of the plurality of lattice type speakers 200 may be embodied as a lattice type speaker 200 according to the second embodiment of the present invention illustrated in FIG. 2J. More specifically, the plurality of lattice type speakers 200 are provided at a lower portion of the woofer horn 217 and a lower portion of the woofer 217 each having an upper portion having a square portion 217a and a lower portion having a horn shape.
  • a woofer diaphragm 211, a woofer diaphragm 211 is built in, a woofer frame 215 on which the woofer horn 217 is mounted, and a woofer magnetic circuit member 234a provided below the woofer frame 215.
  • Lattice type speaker (200) according to the above).
  • the lattice array speaker system 201 in which the plurality of lattice type speakers 200 are arranged to be connected along a plane in a horizontal direction is referred to as a horizontal plane lattice array speaker system 201a, and a plurality of lattice type speakers (
  • the lattice array speaker system 201 in which the 200 is arranged to be connected along a plane in the vertical direction is referred to as a vertical planar lattice array speaker system 201b, and the plurality of lattice type speakers 200 are arranged in the horizontal direction and the vertical direction.
  • the lattice array speaker system 201 arranged to be connected along a plane may be referred to as a three dimensional planar lattice array speaker system 201c, which collectively constitutes a planar lattice array speaker system 201.
  • FIG. 2L illustrates a lattice array speaker system according to a second embodiment of the present invention.
  • the lattice array speaker system according to the second embodiment of the present invention shown in FIG. 2L is a curved lattice array speaker system as described below.
  • a lattice array speaker system 201 may have a curved surface in which either a first curved surface in a horizontal direction and a second curved surface in a vertical direction are formed.
  • a plurality of lattice type speakers 200 arranged to be connected, wherein each of the plurality of lattice type speakers 200 is a case of a lattice array speaker system 201 according to the first embodiment of the present invention shown in FIG. 2K, respectively.
  • it may be implemented as a lattice type speaker 200 as shown in FIGS. 2A to 2J.
  • the woofer speaker 210 and the treble speaker 220 are mounted in a coaxial state.
  • the lattice array speaker system 201 in which the plurality of lattice type speakers 200 are arranged to be connected along the first curved surface in the horizontal direction is referred to as a horizontal curved lattice array speaker system 201d
  • the plurality of lattice type The lattice array speaker system 201 in which the speakers 200 are arranged to be connected along a second curved surface in the vertical direction is referred to as a vertical curved lattice array speaker system 201e
  • the plurality of lattice type speakers 200 are arranged in the horizontal direction.
  • lattice array speaker system 201 arranged to be connected along a curved surface in the vertical direction may be referred to as a three-dimensional curved lattice array speaker system 201f, which collectively constitutes a curved lattice array speaker system 201.
  • FIG. 2M illustrates a propagation state of a high acoustic wave surface generated by a plurality of lattice type speakers used in the lattice array speaker system according to the first and second embodiments of the present invention shown in FIGS. 2K and 2L, respectively.
  • each tweeter horn 227 of the plurality of lattice type speakers 220 used in the lattice array speaker system 201 according to the first and second embodiments of the present invention. Since four lattice ends 227a of s) are provided on the square shape 217a of the woofer horn 217, a high-frequency wavefront WF propagating along the plurality of tweeter horns 227 is shown in FIG. As can be seen, substantially one plane wave is formed. Accordingly, unlike the prior art illustrated in FIG. 1E, substantially no interference occurs between the plurality of trebles transmitted through the plurality of tweeter horns 227.
  • the lattice horn is large along the direction of the cross shape. Since the transmission angle and the range of the treble and bass generated by the lattice-type speaker 200 are considerably increased, the problem of the prior art in which the treble is not transmitted or weakly transmitted can be solved.
  • the sound is collected in a constant direction by the lattice-type speaker 200, which significantly increases the transmission distance and range of the high and low sounds.
  • the overall sound transmission distance is wider and the sound field can be formed to be transmitted farther, so that a sound effect can be obtained in a wider space.
  • the lattice horn used in the lattice type speaker 200 can increase the length in the horizontal and vertical lengths and the depth direction of the outside, thereby enabling the use of a large size lattice horn.
  • the threshold frequency of the lowest treble in the treble range can be further lowered, and a high sound pressure can be provided to enable clearer reproduction of the mid and treble.
  • the wavefront substantially forms one plane wave at a portion where the trebles generated in each of the plurality of lattice type speakers 200 overlap, thereby preventing the occurrence of interference.
  • the treble can be transmitted well enough regardless of the audience position.

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  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

La présente invention concerne un haut-parleur de type en treillis et un système de haut-parleurs en réseau de type en treillis le comprenant. Le haut-parleur de type en treillis selon la présente invention comprend : un haut-parleur basse fréquence qui comprend un pavillon de haut-parleur de graves ayant une partie supérieure rectangulaire et une partie inférieure pavillonnaire, une plaque de vibration de haut-parleur de graves disposée en dessous du pavillon de haut-parleur de graves et un cadre de haut-parleur de graves dans lequel la plaque de vibration de haut-parleur de graves est intégrée et sur laquelle le pavillon de haut-parleur de graves est monté ; un haut-parleur à haute fréquence qui comprend un pavillon de haut-parleur d'aigus mis en œuvre sous la forme d'un pavillon en treillis et disposé dans l'intérieur du haut-parleur à basse fréquence, une plaque de vibration de haut-parleur d'aigus disposée en dessous du pavillon de haut-parleur d'aigus et une unité d'entraînement de haut-parleur d'aigus disposée en dessous de la plaque de vibration de haut-parleur d'aigus ; et un élément de circuit magnétique disposé en dessous du cadre de haut-parleur de graves afin d'entourer le côté inférieur du pavillon de haut-parleur d'aigus, la partie supérieure du pavillon en treillis ayant la forme d'une croix lorsqu'elle est vue depuis le côté supérieur et tout le corps de celui-ci ayant une forme de corne.
PCT/KR2015/002714 2014-03-20 2015-03-20 Haut-parleur de type en treillis et système de haut-parleurs en réseau de type en treillis le comprenant WO2015142095A1 (fr)

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Application Number Priority Date Filing Date Title
KR1020140033047A KR101515614B1 (ko) 2014-03-20 2014-03-20 래티스 타입 스피커, 및 이를 구비한 래티스 어레이 스피커 시스템
KR10-2014-0033047 2014-03-20

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WO2015142095A1 true WO2015142095A1 (fr) 2015-09-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106792336A (zh) * 2017-02-13 2017-05-31 歌尔科技有限公司 一种音箱
FR3055501A1 (fr) * 2016-08-26 2018-03-02 Cabasse Haut-parleur coaxial
CN112822611A (zh) * 2021-01-14 2021-05-18 四川湖山电器股份有限公司 一种应用于线性阵列的同轴复合扬声器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198591A (ja) * 1997-09-19 1999-04-09 Toa Corp コアキシャルスピーカ
KR100554818B1 (ko) * 1999-10-22 2006-02-22 스틸워터 디자인스 앤드 오디오 인코포레이티드 초저주파수 변환기 및 이를 포함하는 라우드 스피커
JP2010045496A (ja) * 2008-08-11 2010-02-25 Yamaha Corp コーンスピーカ
KR20130037656A (ko) * 2011-10-06 2013-04-16 가부시키가이샤 티이아이 어레이 스피커 시스템

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198591A (ja) * 1997-09-19 1999-04-09 Toa Corp コアキシャルスピーカ
KR100554818B1 (ko) * 1999-10-22 2006-02-22 스틸워터 디자인스 앤드 오디오 인코포레이티드 초저주파수 변환기 및 이를 포함하는 라우드 스피커
JP2010045496A (ja) * 2008-08-11 2010-02-25 Yamaha Corp コーンスピーカ
KR20130037656A (ko) * 2011-10-06 2013-04-16 가부시키가이샤 티이아이 어레이 스피커 시스템

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3055501A1 (fr) * 2016-08-26 2018-03-02 Cabasse Haut-parleur coaxial
CN106792336A (zh) * 2017-02-13 2017-05-31 歌尔科技有限公司 一种音箱
CN106792336B (zh) * 2017-02-13 2023-08-25 歌尔科技有限公司 一种音箱
CN112822611A (zh) * 2021-01-14 2021-05-18 四川湖山电器股份有限公司 一种应用于线性阵列的同轴复合扬声器

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