WO2013124883A1 - Dispositif haut-parleur - Google Patents

Dispositif haut-parleur Download PDF

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Publication number
WO2013124883A1
WO2013124883A1 PCT/JP2012/001132 JP2012001132W WO2013124883A1 WO 2013124883 A1 WO2013124883 A1 WO 2013124883A1 JP 2012001132 W JP2012001132 W JP 2012001132W WO 2013124883 A1 WO2013124883 A1 WO 2013124883A1
Authority
WO
WIPO (PCT)
Prior art keywords
speaker
enclosure
reflection
speaker device
ceiling
Prior art date
Application number
PCT/JP2012/001132
Other languages
English (en)
Japanese (ja)
Inventor
浩 真鍋
安藤　達也
Original Assignee
パイオニア株式会社
東北パイオニア株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パイオニア株式会社, 東北パイオニア株式会社 filed Critical パイオニア株式会社
Priority to PCT/JP2012/001132 priority Critical patent/WO2013124883A1/fr
Publication of WO2013124883A1 publication Critical patent/WO2013124883A1/fr

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Classifications

    • 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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers
    • 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
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling
    • 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

Definitions

  • the present invention relates to a speaker device designed to reflect a sound radiated from a speaker unit to produce a listening sound.
  • this type of speaker device there is known a type in which a plurality of speakers (speaker units) and a lighting fixture are integrated by a speaker cabinet (enclosure) and attached to a ceiling (see Patent Document 1).
  • This speaker device has a truncated pyramid-shaped speaker cabinet having a lighting cabinet at the bottom, four speakers attached to the four slopes of the speaker cabinet so as to face the oblique ceiling, and an open bottom surface in the center of the speaker cabinet.
  • a lighting fixture attached in form and a cable attached to the top of the speaker cabinet.
  • a power supply terminal that is connected to the power supply terminal for lighting provided on the ceiling, and the speaker device is installed in a suspended state by hanging the power supply terminal on the power supply terminal.
  • a plurality of speakers and lighting fixtures are connected to a power source.
  • Each of the four slopes of the speaker cabinet forms an angle of 45 ° with respect to the ceiling surface, and the four speakers are attached obliquely in the ceiling direction at an angle of 45 °.
  • the four speakers are installed sufficiently away from the ceiling surface by cables, and the radiated sound from each speaker is reflected on the ceiling surface and then reflected on the inner wall surface and floor surface to reach the listener. This provides a listener with a background listening environment.
  • the ceiling finishing material of the residence includes boarding, plywooding, boarding, etc., and there are papers and cloths on the ground.
  • the ceiling finishing material is applied with a space behind the slab and the ceiling finishing material is applied directly to the slab (mortar base).
  • the sound of each speaker reflected on the ceiling surface is affected by the properties of the ceiling finishing material and the ceiling structure, and the sound quality of the listening sound is not constant depending on the installation environment. there were.
  • the low-frequency sound that is easily propagated as vibration there is a problem that it propagates from the ceiling finishing material to the slab and becomes noise on the upper floor.
  • An object of the present invention is to provide a speaker device that can efficiently reflect a radiated sound from a speaker unit and obtain a reflected sound having a stable and high sound quality.
  • the speaker device of the present invention is provided with an enclosure having a speaker mounting portion on the upper surface, two or more speaker units mounted upward on the speaker mounting portion, and disposed directly above the enclosure so that the radiated sound of each speaker unit is directed downward. And a reflecting portion for reflecting.
  • the radiated sound of each speaker unit mounted upward on the speaker mounting portion has a predetermined directivity, it is reflected by the reflecting portion and spreads in the room.
  • the dedicated reflection unit since the dedicated reflection unit is provided, the sound emitted from the speaker unit can be appropriately and efficiently reflected in consideration of the listening sound.
  • the dedicated reflecting section can provide a reflected sound (listening sound) having a stable and wide sound quality. Thereby, even if the listener is not in a specific listening position in the room, the listener can listen to a BGM-like sound with little sense of localization. Further, by providing the speaker unit upward, the enclosure can be made thin and compact.
  • the enclosure has a hanging member for hanging on the ceiling of the room, and the reflecting portion is attached to either the ceiling or the enclosure.
  • the entire apparatus can be installed so as to be suspended from the ceiling. Further, since the radiated sound from the speaker unit is reflected not by the ceiling but by the reflecting portion, it is possible to obtain a listening sound having a stable and wide sound quality without being affected by the material and structure of the ceiling. Furthermore, since the radiated sound from the speaker unit is not directly radiated to the ceiling, the noise to the upper floor can be suppressed.
  • the hanging member is connected to a power supply terminal for illumination provided on the ceiling and constitutes a power terminal such as a circuit for driving two or more speaker units.
  • the apparatus can be installed using the existing lighting power supply terminal provided on the ceiling. Further, a commercial power source for power supply can be obtained from the power supply terminal to the speaker unit via the power supply terminal.
  • a hook ceiling for illumination as the power supply terminal and the power supply terminal. That is, the power supply terminal is a hanging sealing body, and the power terminal is a hanging sealing cap.
  • an amplifier, a rectifier circuit, a receiving circuit, a control unit, and the like are mounted in the enclosure, and audio signals are transmitted / received by wireless communication from an audio device or the like and output from the speaker unit.
  • the reflecting portion has a cushion material in contact with the ceiling.
  • the reflecting portion and the enclosure can be arranged close to the ceiling so as not to cause a sense of incongruity. Moreover, even if a bass sound close to vibration propagates to the reflecting portion, it can be shielded by the cushion material. Thereby, it is possible to effectively prevent the radiated sound from the speaker unit from becoming noise on the upper floor.
  • the enclosure is formed in a circular shape when viewed from the bottom, and the two or more speaker units are arranged at point-symmetric positions with respect to the center of the enclosure.
  • each reflecting portion has a reflecting surface that reflects radiation sound of each speaker unit radially downward.
  • the reflecting surface can be configured according to the mounting angle of each speaker unit, the size and size of the room, or according to the listening position, and can be adjusted so that the listening sound has an appropriate spread. .
  • each reflective part has a support leg having an insertion joint at the tip, and the enclosure has two or more reflective attachment parts corresponding to each reflective part. It is preferable that each reflection mounting portion has an insertion receiving portion corresponding to the insertion joint portion.
  • each reflection part can be easily attached (assembled) to the enclosure by plug-in joining.
  • each reflection part can be easily attached (assembled) to the enclosure by plug-in joining.
  • the reflection unit has two or more individual reflection units corresponding to each speaker unit, and each individual reflection unit has an individual reflection surface that reflects the radiation sound of each speaker unit downward radially. It is preferable.
  • the individual reflecting surface can be configured corresponding to each speaker unit, that is, according to the mounting angle of each speaker unit, and the listening sound can be appropriately spread.
  • the two or more speaker units are each attached obliquely outward, and the reflecting portion has a flat reflecting surface.
  • the reflecting portion can be easily configured, and the cost of the apparatus can be suppressed.
  • the enclosure when the lighting fixture is larger than the enclosure in the bottom view, the enclosure can be installed so as not to stand out. In addition, this inconspicuous installation makes it difficult for the sound source to be conscious, and can visually add a BGM feeling to the listening sound.
  • the luminaire may be attached integrally to the enclosure, or may be detachably attached by hook ceiling.
  • the reflecting portion is further supported by an enclosure and further includes a stand that supports the enclosure.
  • a lighting fixture attached to the upper surface of the reflecting portion.
  • the speaker device can be installed in the form of stand lighting that matches a Western-style room or the like.
  • FIG. 4 is various structural views (a) to (d) of a reflecting portion.
  • FIG. 10 is schematic cross-sectional views (a) to (d) of various reflecting portions according to a modification. It is a side view of the speaker apparatus which concerns on 2nd Embodiment. It is the side view (a) and top view (b) of the speaker apparatus which concern on 3rd Embodiment. It is a side view of the speaker apparatus which concerns on 4th Embodiment.
  • This speaker device is provided with a speaker unit facing upward, and radiated sound is reflected from the speaker unit to obtain a soft sound with a small sense of localization, that is, a BGM-like listening sound.
  • the speaker device integrally has a lighting fixture and constitutes one device of a residential audio / lighting system.
  • FIG. 1 is a structural diagram schematically showing the speaker device 1A according to the first embodiment.
  • the speaker device 1A is of the type installed on the ceiling T of the room, and includes an enclosure 2 having a speaker mounting portion 3 on the upper surface and a pair of speakers mounted upward on the speaker mounting portion 3.
  • the unit 4 includes a pair of reflectors 5 that are disposed immediately above the enclosure 2 and correspond to the pair of speaker units 4, and a lighting fixture 6 that is attached to the lower surface of the enclosure 2.
  • the ceiling T is provided with a hanging ceiling ceiling 8 (hanging ceiling body 8a).
  • This illuminated speaker device 1A has a hanging ceiling cap 8b provided at the center of the upper surface of the enclosure 2. By hooking on the hanging ceiling body 8 a, it is installed on the ceiling T and a power source is obtained through the hanging ceiling 8.
  • the enclosure 2 is equipped with an amplifier, a power supply circuit, a wireless reception circuit, a control unit, and the like, and an audio signal is transmitted by wireless communication from an audio device or the like and output from the speaker unit 4.
  • the control part performs independent lighting control of the lighting fixture 6 or lighting control synchronized with the audio signal.
  • the outline of the lighting fixture 6 is sufficiently larger than the outline of the enclosure 2.
  • the enclosure 2 and the pair of reflecting portions 5 are arranged so as to be hidden on the upper side of the lighting fixture 6 so that the speaker system installed on the ceiling does not stand out and does not cause a feeling of pressure.
  • the lighting fixture 6 includes a circular fixture base 11, a lamp (not shown) such as a fluorescent lamp, an LED, and an organic EL mounted on the lower surface of the fixture base 11, and is attached to and detached from the fixture base 11 from below so as to cover the lamp. And a lighting cover 12 that is freely attached.
  • the appliance base 11 is provided with a transformer and a lamp support fitting connected to the power source.
  • the luminaire 6 may be integrally attached to the enclosure 2 or may be a separate body that can be attached to the enclosure 2 by the hook ceiling 8.
  • the enclosure 2 is provided in the center of the upper surface of the enclosure main body 21 that is circular as viewed from the bottom, and is formed by a resin molded product, and is hung on the ceiling ceiling ceiling body 8a.
  • the hanging member 22 has a hooking sealing cap 8 b corresponding to the hooking sealing body 8 a at the upper part, and a rotation angle adjusting unit 24 capable of adjusting the rotation angle of the enclosure body 21.
  • the speaker device 1A is installed by so-called ceiling suspension, and can be adjusted so that the pair of speaker units 4 are directed in the long side direction of the room, for example.
  • the enclosure main body 21 has a flat and substantially columnar shape, and a pair of speaker mounting portions 3 are formed on the upper surface corresponding to the pair of speaker units 4.
  • the pair of speaker mounting portions 3 are arranged at 180 ° point symmetrical positions with respect to the center of the enclosure body 21.
  • Each speaker mounting portion 3 is somewhat inclined (downwardly inclined) toward the outside, and the speaker unit 4 is attached to be inclined slightly upward.
  • Each speaker mounting portion 3 may be horizontal and the speaker unit 4 may be mounted vertically upward.
  • each reflection mounting portion 25 is provided outside each speaker mounting portion 3 (see FIG. 2).
  • each reflection mounting portion 25 is provided with a plurality of insertion receiving portions 26 for detachably mounting the reflection portion 5 by insertion bonding.
  • Each insertion receiving portion 26 is formed of a circular small hole, and the plurality of insertion receiving portions 26 are arranged along the outer edge of the speaker mounting portion 3. Note that the speaker attachment portion 3 and the reflection attachment portion 25 may be integrated, and a plurality of insertion receiving portions 26 may be disposed on the peripheral edge thereof.
  • Each speaker unit 4 is composed of a cone type speaker unit that covers the entire band.
  • the pair of speaker units 4 includes a left speaker unit 4a and a right speaker unit 4b, and constitutes a two-channel speaker system together with the enclosure body 21.
  • the speaker unit 4 is being fixed in the state addressed to the speaker attachment part 3 from the inner side.
  • the speaker mounting portion 3 is somewhat inclined toward the outside, and the speaker unit 4 is attached to the enclosure 2 in an upward posture that is slightly inclined outward with respect to the vertical direction.
  • An angle adjustment mechanism may be interposed between the speaker unit 4 and the speaker mounting portion 3 so that the radiation angle of the speaker unit 4 can be adjusted.
  • each reflector 5 includes a reflector main body 31 that reflects radiated sound downward from the speaker unit 4, and a plurality of support legs 32 provided on the periphery of the reflector main body 31. And is integrally formed of resin or the like.
  • the plurality of support legs 32 are parts for attaching the reflection part main body 31 to the enclosure 2 (reflection attachment part 25) and are parts for determining a separation distance between the reflection part main body 31 and the speaker unit 4.
  • the reflector main body 31 faces the speaker unit 4 with a predetermined separation distance, and reflects the radiated sound of the speaker unit 4 having a certain directivity radially downward.
  • the reflection part main body 31 and the some support leg 32 can also be comprised by a separate member, and the some support leg 32 can also be provided in the enclosure 2 integrally.
  • the reflecting portion main body 31 is formed in a flat inverted cone shape, and its base portion (upper end) reflects all radiation sound from the speaker unit 4 in consideration of the directivity of the speaker unit 4. It is formed in a possible outline (circular shape).
  • the inverted conical outer peripheral surface facing the speaker unit 4 constitutes a reflection surface 34 that reflects the radiated sound from the speaker unit 4 radially downward (see FIG. 1).
  • the arrow in a figure shows the sound emission direction, and shows the direction in which the radiated sound from the speaker unit 4 reflects and spreads by the reflective surface 34.
  • FIG. Thereby, the sound radiated from the speaker unit 4 reflected by the reflecting surface 34 is further radiated into the room so as to spread in four directions.
  • the reflector main body 31 may be disposed such that its axis coincides with the speaker unit 4 and the axis (radiation center line), or may be disposed at a slight angle.
  • FIG. 4 shows a structural variation in the reflecting portion 5 (the reflecting portion main body 31) configured as described above.
  • These reflection portions 5 are represented by omitting the support legs 32, and the reflection surfaces 34 are all formed in an inverted conical shape.
  • 4A is formed in a solid inverted cone shape, for example.
  • the reflecting portion main body 31 in FIG. 4B is one that takes resin molding into consideration (constant thickness), and is formed in a hollow inverted conical shape. However, if the reflecting portion main body 31 shown in FIG. 4B is thinly formed in order to reduce the weight, there is a concern that so-called “chatter noise” may occur.
  • the reflecting portion main body 31 of FIG. 4C has a hollow inverted conical shape reinforced by providing a cross-shaped rib 31a in the hollow portion. Further, the reflecting portion main body 31 in FIG. 4D has a reinforcing form in consideration of resonance, and is formed in a hollow inverted conical shape reinforced by a honeycomb-shaped special rib 31b.
  • the reflecting portion main body 31 can be molded in two colors, a hard resin (outside) considering high reflectance and a soft resin (inside) considering vibration absorption. .
  • each support leg 32 has a boss portion 36 seated on the reflection mounting portion 25 of the enclosure 2, and an insertion joint portion 37 extending from the boss portion 36 with a stepped portion.
  • the number of the support legs 32 is arbitrary (two or more), but the length of each boss part 36 not only defines the separation distance between the reflection part 5 (reflection surface 34) and the speaker unit 4, but also the reflection part 5
  • the mounting posture of the enclosure 2 is specified. For example, the reflection part 5 when the speaker unit 4 is provided in a direction slightly inclined with respect to the vertical is mounted horizontally, and the reflection part 5 when the speaker unit 4 is provided in the vertical direction is It is preferable that it is attached so as to be inclined.
  • the insertion joint portion 37 has, for example, a loosely tapered main body portion 37a having a plurality of protrusions 37b extending in the axial direction in the circumferential direction, instead of the protrusions 37b.
  • the groove has a groove 37c (longitudinal slit), and further has a combination of the protrusion 37b and the groove 37c.
  • FIG. 5 shows a cross-sectional shape of the reflecting portion main body 31 from which the support leg 32 is omitted.
  • the reflecting portion 5 (reflecting portion main body 31) of FIG. 5A is formed in a cross section “semi-elliptical”. That is, the reflecting portion 5 in FIG. 5A has a semi-elliptical spherical reflecting surface 34.
  • the reflection unit 5 is intended to install the speaker device 1A in a relatively large room, and the listening sound is spread sufficiently and uniformly by the reflection surface 34 of a semi-elliptical sphere.
  • the reflection part 5 of FIG.5 (b) has the cross-sectional shape in which a lower surface draws a parabola with respect to a center part. That is, each part has the reflective surface 34 used as a parabola.
  • the reflection unit 5 is intended to spread the listening sound left and right in consideration of the pair of speaker units 4 (two channels).
  • the reflective part 5 of FIG.5 (c) has a recessed part shape in which a lower surface is a semicircle and a semi-ellipse. That is, it has a reflecting surface 34 having a concave shape such as a semi-ellipse.
  • the reflection unit 5 is intended to install the speaker device 1A in a relatively small room, and obtains a listening sound having directivity downward.
  • the reflection part 5 in FIG. 5D is a composite type of the reflection part in FIG. 5B and the reflection part in FIG. 5C, and can give partial directivity and broadness to the listening sound. It is like that. It is preferable that the plurality of types of reflecting portions 5 configured as described above are prepared as replacement parts and selectively attached to the enclosure 2 according to the shape, size, listening position, and the like of the room.
  • the speaker unit 4 is provided upward, and the reflection unit 5 is provided to face the speaker unit 4. Can be reflected to spread in the room and used as a listening sound.
  • the reflection part 5 can obtain an appropriate listening sound without being influenced by the material, structure, etc. of the ceiling.
  • the sound quality and spread of the listening sound can be adjusted by the material and shape of the reflecting portion 5, the listening sound can be adjusted according to the specification and size of the room. Therefore, unlike the direct sound from the speaker unit 4, it is possible to obtain a BGM-like listening sound with less sense of localization. Furthermore, the reflection part 5 suppresses accumulation of dust on the upward speaker unit 4.
  • two or more speaker units 4 may be provided in order to make the listening sound as uniform as possible. Moreover, you may make it attach the some reflection part 5 to a ceiling. Further, the reflecting portion 5 may be supported by a single support leg 32. In such a case, a bridge-like frame such as a cross is provided on the speaker mounting portion 3, a support leg 32 is provided at the center of the reflecting portion 5, and the support leg 32 is fixed at the center of the bridge-like frame.
  • the enclosure 2 is formed in a flat cylindrical shape, and the speaker unit 4 is attached to each speaker attachment portion 3 in the vertical direction upward.
  • the reflection portion 5 located immediately above the enclosure 2 is attached to the ceiling T.
  • the reflection part 5 has a circular base plate 41 and a pair of individual reflection parts 42 protruding from the lower surface of the base plate 41 corresponding to the pair of speaker units 4.
  • a cushion material 43 having the same diameter as the base plate 41 is laminated on the upper surface of the base plate 41.
  • the base plate 41 and the cushion material 43 have a size that encloses the pair of individual reflecting portions 42, and a circular opening 44 that faces the hanging member 22 is provided at the center thereof.
  • the cushion material 43 is made of a material having a vibration absorbing function such as a sponge, and absorbs a radiated sound in a low frequency range close to vibration. In other words, the cushion material 43 shields the vibration from being propagated to the ceiling T even if the sound emitted from the speaker unit 4 vibrates the individual reflector 42 and the base plate 41.
  • Each individual reflecting section 42 has an individual reflecting surface 42a that reflects the radiated sound of each speaker unit 4 radially downward, and has the same form as the reflecting section 5 of the first embodiment (FIG. 4). And FIG. 5).
  • the pair of individual reflecting portions 42 may be detachably attached to the base plate 41 or may be formed integrally with the base plate 41. Further, the individual reflecting section 42 may reflect a part of the radiated sound of the speaker unit 4. In other words, the configuration may be such that the radiated sound of the speaker unit 4 is reflected by the lower surface of the individual reflecting portion 42 and the lower surface of the base plate 41 excluding the mounting portion of the individual reflecting portion 42.
  • the speaker unit 4 is provided upward, and the individual reflection portion 42 is provided so as to face the speaker unit 4. Can be reflected so as to spread in the room, so that the listening sound is not affected by the material of the ceiling or the like. Also in this case, since the sound quality and spread of the listening sound can be adjusted by the material and shape of the individual reflector 42, the listening sound can be adjusted according to the specification and size of the room. Moreover, the noise to the upper floor can be effectively prevented by the cushion material 43.
  • the speaker mounting portion 3 of the enclosure 2 is inclined outward (downwardly inclined), and the speaker unit 4 is attached in an upward posture inclined obliquely outward with respect to the vertical direction. It has been. Further, the reflecting portion 5 is attached to the upper surface of the enclosure 2 in the vicinity of the hanging member 22.
  • the reflection portion 5 is provided so as to overlap the circular reflection plate 51 having the lower surface as the reflection surface 51 a, the upper surface of the reflection plate 51, the circular cushion material 52 having the same diameter as the reflection plate 51, and the lower surface of the reflection plate 51. And an attachment portion 53 for attaching the reflection portion 5 to the enclosure 2.
  • the reflection plate 51 is formed in a size capable of reflecting all the radiated sound of the speaker unit 4 having a predetermined directivity.
  • the reflection plate 51 and the circular cushion material 52 are provided with a circular opening 54 facing the hanging member 22 at the center thereof, and at the opening edge of the reflection plate 51 constituting the opening 54,
  • the mounting portion 53 is provided.
  • the attachment portion 53 may be a cylindrical one provided so as to surround the opening 54, or may be a plurality of pillars. Moreover, the arrow in a figure shows the sound emission direction, and has shown the direction in which the radiated sound from the speaker unit 4 reflects with the reflection plate 51, and spreads.
  • the circular cushion material 52 is made of a material having a vibration absorbing function such as a sponge, like the cushion material 43 of the second embodiment.
  • the circular cushion material 52 is slightly compressed when the speaker device 1C is attached to the ceiling T, in addition to the function of shielding the vibration caused by the radiated sound of the speaker unit 4, and the hooking sealing cap for the hooking sealing body 8a. It also functions as a lock for 8b.
  • the radiated sound of the speaker unit 4 can be reflected so as to spread in the room to be a listening sound. Can be obtained.
  • This speaker device 1D is of a type simulating a desk lamp (floor lamp), an enclosure 102 having a speaker mounting portion 103 on the upper surface, and a pair of speaker units 104 mounted upward on the speaker mounting portion 103, A reflector 105 disposed immediately above the enclosure 102 and corresponding to the pair of speaker units 104, a lighting fixture 106 attached to the upper surface of the reflector 105, a stand 107 that supports the enclosure 102, a lighting fixture 106, and an enclosure 102 and the shade 108 which covers the reflection part 105.
  • This speaker device 1D imitating a floor lamp is provided with a lighting fixture 106 and an enclosure 102 (speaker system) at a high position, and is installed in a living room or bedroom of a Western-style room.
  • the lighting fixture 106 includes an incandescent bulb, a fluorescent lamp, an LED, an organic EL, and the like that are electrically connected by a socket 109.
  • the enclosure 102, the speaker mounting portion 103, the speaker unit 104, and the reflecting portion 105 have the same structure as that of the third embodiment.
  • the enclosure 102 is provided with a socket 109 for the lighting fixture 106 in place of the hanging member 22.
  • the circular cushion material 52 is not provided in the reflection part 105, and the upper surface of the reflection plate 51 functions as a reflector which reflects the illumination light of the lighting fixture 106.
  • FIG. Note that the enclosure 102 and the reflecting portion 105 may have the same structure as that of the first embodiment.
  • the speaker device 1D of the fourth embodiment it is possible to obtain a listening sound having a stable and wide sound quality.
  • the speaker device 1D can be installed in the form of stand lighting that matches a Western-style room or the like.
  • 1A, 1B, 1C, 1D Speaker device 2 Enclosure, 3 Speaker mounting part, 4 Speaker unit, 5 Reflecting part, 6 Lighting fixture, 8 Hook ceiling, 21 Enclosure body, 22 Vertical member, 25 Reflecting mounting part, 26 Plug receiving part, 31 Reflecting body, 32 Support legs, 34 Reflecting surface, 37 Inserting joint, 41 Base plate, 42 Individual reflecting part, 42a Individual reflecting surface, 43 Cushion material, 51 Reflecting plate, 51a Reflecting surface, 52 Circular cushion material, 53 mounting part, 102 enclosure, 103 speaker mounting part, 104 speaker unit, 105 reflecting part, 106 lighting fixture, 107 stand, T ceiling

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

Abstract

La présente invention vise à fournir un dispositif haut-parleur capable de réfléchir efficacement un rayonnement sonore à partir d'une unité de haut-parleur et capable d'obtenir un son réfléchi présentant une divergence possédant une qualité sonore stable. Le dispositif haut-parleur comprend : une enceinte (2) possédant une section de fixation de haut-parleur (3) au niveau de la surface supérieure, au moins deux unités de haut-parleur (4) fixées tournées vers le haut au niveau de la section de fixation de haut-parleur (3) et une section de réflexion (5) qui est installée directement au-dessus de l'enceinte (2) et qui réfléchit le rayonnement sonore à partir de chaque unité de haut-parleur (4) vers le bas.
PCT/JP2012/001132 2012-02-21 2012-02-21 Dispositif haut-parleur WO2013124883A1 (fr)

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PCT/JP2012/001132 WO2013124883A1 (fr) 2012-02-21 2012-02-21 Dispositif haut-parleur

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CN107071597A (zh) * 2017-06-15 2017-08-18 浙江云木环保科技有限公司 一种隐藏式无线音箱
CN108810732A (zh) * 2014-09-30 2018-11-13 苹果公司 扬声器
GB2563570A (en) * 2017-05-18 2018-12-26 Fyne Audio Ltd Vented loudspeaker
US10524044B2 (en) 2014-09-30 2019-12-31 Apple Inc. Airflow exit geometry
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USRE49437E1 (en) 2014-09-30 2023-02-28 Apple Inc. Audio driver and power supply unit architecture
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CN108810732A (zh) * 2014-09-30 2018-11-13 苹果公司 扬声器
CN108848432A (zh) * 2014-09-30 2018-11-20 苹果公司 扬声器
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EP3416405A1 (fr) * 2014-09-30 2018-12-19 Apple Inc. Haut-parleur à coloration audio réduite causée par des réflexions à partir d'une surface
US11256338B2 (en) 2014-09-30 2022-02-22 Apple Inc. Voice-controlled electronic device
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CN108848432B (zh) * 2014-09-30 2020-03-24 苹果公司 扬声器
US11818535B2 (en) 2014-09-30 2023-11-14 Apple, Inc. Loudspeaker with reduced audio coloration caused by reflections from a surface
EP3202159B1 (fr) * 2014-09-30 2020-08-05 Apple Inc. Haut-parleur avec réduction de la coloration audio causée par des réflexions à partir d'une surface
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US11693487B2 (en) 2016-09-23 2023-07-04 Apple Inc. Voice-controlled electronic device
US10911863B2 (en) 2016-09-23 2021-02-02 Apple Inc. Illuminated user interface architecture
US10834497B2 (en) 2016-09-23 2020-11-10 Apple Inc. User interface cooling using audio component
US10771890B2 (en) 2016-09-23 2020-09-08 Apple Inc. Annular support structure
US10631071B2 (en) 2016-09-23 2020-04-21 Apple Inc. Cantilevered foot for electronic device
US11693488B2 (en) 2016-09-23 2023-07-04 Apple Inc. Voice-controlled electronic device
GB2563570B (en) * 2017-05-18 2021-08-25 Fyne Audio Ltd Vented loudspeaker
GB2563570A (en) * 2017-05-18 2018-12-26 Fyne Audio Ltd Vented loudspeaker
CN107071597A (zh) * 2017-06-15 2017-08-18 浙江云木环保科技有限公司 一种隐藏式无线音箱

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