WO2015141983A1 - Speaker device - Google Patents

Speaker device Download PDF

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Publication number
WO2015141983A1
WO2015141983A1 PCT/KR2015/002380 KR2015002380W WO2015141983A1 WO 2015141983 A1 WO2015141983 A1 WO 2015141983A1 KR 2015002380 W KR2015002380 W KR 2015002380W WO 2015141983 A1 WO2015141983 A1 WO 2015141983A1
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WO
WIPO (PCT)
Prior art keywords
speaker
cabinet
speaker device
passive radiators
present
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PCT/KR2015/002380
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French (fr)
Korean (ko)
Inventor
이광희
Original Assignee
이광희
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Publication date
Application filed by 이광희 filed Critical 이광희
Priority to CN201590000364.8U priority Critical patent/CN206577396U/en
Publication of WO2015141983A1 publication Critical patent/WO2015141983A1/en

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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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • 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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details

Definitions

  • the present invention relates to a speaker device, and more particularly, to a speaker device using a pair of speaker drivers and two passive radiators.
  • a speaker or speaker device is an electromechanical transducer that converts electrical signals into sounds. Speakers can be classified into horn type and cone type according to their shape, and can be classified into dynamic type, magnetic type, condenser type and crystal type according to driving principle.
  • Loudspeakers can be classified according to the range of sound generated. High-frequency sounds have short wavelengths and low-frequency sounds have long wavelengths. Large loudspeakers are advantageous for sound reproduction.
  • the speaker device may be connected to various types of playback devices such as a mobile phone or a tablet computer to reproduce a grand scale sound even at a small volume.
  • the amplifier can use IC design, or Digital Signal Processor (DSP), to increase efficiency in a specific frequency band to produce low frequency bass.
  • DSP Digital Signal Processor
  • the passive radiator operates in response to the air pressure inside the speaker cabinet where the diaphragm is replaced by the woofer's movement in place of the low reflection port.
  • the loudspeaker device in which the passive radiator is applied is very expensive as a high-end type, and is a structure that is compact and difficult to carry since it is a structure that requires minimal space.
  • An object of the present invention is to provide a speaker device that is compact and convenient to carry and has an excellent sound field.
  • the speaker device for achieving the above object is a speaker cabinet, the speaker cabinet is formed with an opening in a position opposite to each other of the front and rear surfaces, the left and right surfaces, the speaker cabinet A first speaker driver installed forward from the front opening of the speaker, a second speaker driver installed rearward from the rear opening of the speaker cabinet, and a first symmetrically installed at the left side opening and the right side opening of the speaker cabinet; And a second passive radiator.
  • the passive radiator may have a central portion of which a convex shape is outwardly convex and may use a metal material.
  • the apparatus may further include an acoustic duct for guiding acoustic energy radiated from the first and second speaker drivers to the first and second passive radiators, wherein the acoustic duct is sound emitted from the first speaker driver.
  • the first acoustic duct may lead energy to the first and second passive radiators, and the second acoustic duct guides acoustic energy radiated from the second speaker driver to the first and second passive radiators.
  • a pair of speaker drivers are disposed in opposite directions, and two passive radiators are used to vibrate two passive radiators until the acoustic energy radiated to the rear of the speaker driver is dissipated, thereby providing excellent energy efficiency Therefore, since the sound energy is radiated to the front and rear and left and right of the speaker device, it can provide a sound field similar to the actual performance stage. In addition, since the structure is simple and has a low resonance point even if it is miniaturized according to the weight of two passive radiators, it is possible to provide a speaker device that can be miniaturized while reproducing a wide frequency band.
  • FIG. 1 is a view showing the appearance of a speaker device according to an embodiment of the present invention.
  • FIG. 2 is a front view of a speaker device according to an embodiment of the present invention.
  • FIG. 3 is a side projection view of a speaker device according to an embodiment of the present invention.
  • FIG. 4 is a bottom projection view of a speaker device according to an embodiment of the present invention.
  • FIG. 5 is a front sectional view of a speaker device according to an embodiment of the present invention.
  • FIG. 1 is a view showing the appearance of a speaker according to an embodiment of the present invention
  • Figure 2 is a front view of a speaker according to an embodiment of the present invention
  • Figure 3 is a side of a speaker device according to an embodiment of the present invention 4 is a bottom projection view of a speaker device according to an embodiment of the present invention
  • FIG. 5 is a front sectional view of the speaker device according to an embodiment of the present invention.
  • the speaker device 100 has openings formed at positions facing each other on the front and rear surfaces, and speaker cabinets 110 and front surfaces of the speaker cabinet 110 formed at the positions facing the sides on the left and right sides.
  • the first speaker driver 120 is installed toward the front in the opening, and the second speaker driver 125 is installed in the rear from the rear opening of the speaker cabinet 110.
  • the first and second passive radiators 130 and 135 are provided in left and right symmetrical directions in the left side opening portion and the right side opening portion of the speaker cabinet 110.
  • the front shape of the speaker device 100 is a rectangular shape in which the vertical axis is relatively longer than the horizontal axis, and is a shape that is convenient to carry in a pocket or a bag of clothes in a flat rectangular shape as a whole.
  • the speaker drivers 120 and 125 are installed in pairs so as to face in opposite directions to each other, and may be configured in one or more pairs.
  • Acoustic ducts 140 and 145 are installed inside the speaker cabinet 110 to guide radiated acoustic energy of the first and second speaker drivers 120 and 125 to the first and second passive radiators 130 and 135. have.
  • the acoustic ducts 140 and 145 may include a first acoustic duct 140 and a second speaker driver for guiding acoustic energy radiated from the first speaker driver 120 to the first and second passive radiators 130 and 135.
  • the second acoustic duct 145 may be configured to guide acoustic energy radiated from the 125 to the first and second passive radiators 130 and 135.
  • the first and second passive radiators 130 and 135 installed on the left and right sides of the speaker cabinet 110 are convex in the center portion outward and have a shape in which the depth decreases from the center to the periphery.
  • Passive radiators are auxiliary bass radiators (ABRs), also called auxiliary bass radiatirs, which are flat speaker units without voice coils or magnetic structures. There is no number.
  • the passive radiators 130 and 135 operate in response to the air pressure inside the speaker cabinet 110 in which the diaphragm is changed by the movement of the speaker drivers 120 and 125 in place of the low reflection type port. That is, the passive radiators 130 and 135 use resonance of the vibrometer.
  • the passive radiators 130 and 135 smooth the peaks that may occur in the response of the speaker, and remove the wind noise and the resonance of the ported system.
  • the passive radiators 130 and 135 installed on the left and right sides of the speaker cabinet 110, it is possible to reduce unnecessary resonance of the reverberation frequency.
  • the vibration of the passive radiator 130, 135), the user can enjoy the feeling of vibration in addition to listening.
  • the speaker device 100 having such a structure has a dual passive radiator type, and the first and second speaker drivers 120 and 125 are arranged in opposite directions, so that the speaker device is output even at a high volume output.
  • 100 has a structure that does not rock.
  • the speaker device 100 since the first and second passive radiators 130 and 135 are vibrated until the sound energy radiated to the rear surfaces of the first and second speaker drivers 120 and 125 is extinguished, the speaker device 100 has excellent energy efficiency. Acoustic energy is radiated to the front, rear, left, and right of to provide a sound field similar to the actual performance stage.
  • the passive radiators 130 and 135 may be made heavier than the speaker drivers 120 and 125 by using a metal material or the like. Therefore, the structure is relatively simple and can have a low resonance point even if it is miniaturized according to the weight of the two passive radiators 130 and 135, so that it is possible to miniaturize and reproduce a wide frequency band.
  • the speaker device 100 may be configured to output the same sound signal as the first speaker driver 120 and the second speaker driver 125, and different sounds such as stereo L and R It can also be configured to output a signal. If the first speaker driver 120 and the second speaker driver 125 are configured to output the same sound signal, the two speaker devices 100 may be configured to enable stereo sound output.
  • one speaker driver 120 may include two speaker units 120a and 120b or two or more speaker units. In this way, by configuring one speaker driver 120 into two speaker units 120a and 120b, the front shape of the speaker device 100 may be formed into a rectangular shape whose vertical axis is relatively longer than the horizontal axis.
  • the speaker device according to the present invention is not limited to the configuration of the embodiments described as described above, the above embodiments are selectively combined all or part of each embodiment so that various modifications can be made It may be configured.
  • the present invention can be used in a speaker device that is excellent in sound field and compact and portable.

Abstract

The present invention relates to a speaker device. The speaker device according to the present invention comprises: a speaker cabinet having openings formed in the front and rear surfaces thereof at positions opposite to each other, and having openings formed in the left and right side surfaces thereof at positions opposite to each other; a first speaker driver installed at the opening in the front surface of the speaker cabinet and oriented toward the front; a second speaker driver installed at the opening in the rear surface of the speaker cabinet and oriented toward the rear; and first and second passive radiators installed in the left side surface opening and the right side surface opening of the speaker cabinet in a laterally symmetrical manner. According to the present invention, a speaker device may be provided which has a simple structure, but can have a low resonance point while being small in size due to the weight of the passive radiators, and can be made small while reproducing a wide frequency bandwidth.

Description

스피커 장치Speaker unit
본 발명은 스피커 장치에 관한 것으로, 더욱 상세하게는 한 쌍의 스피커 드라이버와 두 개의 패시브 라디에이터를 이용하는 스피커 장치에 관한 것이다.The present invention relates to a speaker device, and more particularly, to a speaker device using a pair of speaker drivers and two passive radiators.
스피커(speaker) 또는 스피커 장치는 전기 신호를 소리로 바꿔주는 전자기계적 변환기이다. 스피커는 형태에 따라 혼(horn) 형, 콘(corn) 형 등으로 분류할 수 있으며, 구동 원리에 따라 다이나믹형, 마그네틱형, 콘덴서형, 크리스털형 등으로 분류할 수 있다.A speaker or speaker device is an electromechanical transducer that converts electrical signals into sounds. Speakers can be classified into horn type and cone type according to their shape, and can be classified into dynamic type, magnetic type, condenser type and crystal type according to driving principle.
스피커는 발생음역에 따라서도 분류할 수 있는데, 높은 주파수의 소리는 파장이 짧고 낮은 주파수의 소리는 파장이 길므로, 일반적으로 높은 주파수의 소리의 재생에는 작은 크기의 스피커가 유리하고, 낮은 주파수의 소리의 재생에는 큰 크기의 스피커가 유리하다.Loudspeakers can be classified according to the range of sound generated. High-frequency sounds have short wavelengths and low-frequency sounds have long wavelengths. Large loudspeakers are advantageous for sound reproduction.
따라서, 스피커 장치가 소형임에도 불구하고 광대역의 음향을 재생할 수 있다면, 휴대폰이나 태블릿 컴퓨터 등과 같은 다양한 형태의 재생 기기와 연결하여 작은 볼륨에서도 웅대한 스케일의 소리를 재생할 수 있을 것이다.Therefore, if the speaker device is small but can reproduce the sound of a wide band, it may be connected to various types of playback devices such as a mobile phone or a tablet computer to reproduce a grand scale sound even at a small volume.
일반적으로 넓은 주파수 재생 대역을 만들려면 앰프에서 IC 디자인, 즉 DSP(Digital Signal Processor)를 통해 특정 주파수 대역에서 능률 값을 올려 낮은 주파수 대역의 저음을 만들 수 있다. 그러나, 능률 값을 높이고자 하는 주파수 대역에서 응답주파수 값이 아주 없거나 너무 낮아서 IC가 증폭할 수 있는 한계 수치보다 낮다면 평균 음압레벨을 원하는 주파수까지 확장하기 어렵다. In general, to create a wider frequency reproduction band, the amplifier can use IC design, or Digital Signal Processor (DSP), to increase efficiency in a specific frequency band to produce low frequency bass. However, it is difficult to extend the average sound pressure level to the desired frequency if the response frequency is too low or too low in the frequency band to increase the efficiency, which is below the limit that the IC can amplify.
최근에는 패시브 라디에이터(passive radiator)를 사용하여 광대역 스피커를 구현한 제품이 출시되고 있다. 패시브 라디에이터는 진동판이 저음반사형 포트를 대신하여 우퍼의 움직임에 의해 변화되는 스피커 캐비닛 내부의 공기 압력에 대응하여 동작한다. 그러나, 이와 같이 패시브 라디에이터가 적용된 스피커 장치는 고급형으로써 매우 고가이며, 구조가 복잡하고 최소한의 공간 확보가 필요한 구조이므로 소형화시켜 휴대하기 어려운 구조이다. Recently, products that implement wideband speakers using passive radiators have been introduced. The passive radiator operates in response to the air pressure inside the speaker cabinet where the diaphragm is replaced by the woofer's movement in place of the low reflection port. However, the loudspeaker device in which the passive radiator is applied is very expensive as a high-end type, and is a structure that is compact and difficult to carry since it is a structure that requires minimal space.
그러므로, 작은 크기의 스피커를 사용하여 휴대하기 편리하면서도 음장감이 뛰어난 스피커 장치를 고려해 볼 필요가 있다. Therefore, it is necessary to consider a speaker device that is convenient to carry using a small sized speaker and has excellent sound field.
본 발명의 목적은, 소형으로 휴대하기 편리하면서도 음장감이 뛰어난 스피커 장치를 제공함에 있다. An object of the present invention is to provide a speaker device that is compact and convenient to carry and has an excellent sound field.
상기 목적을 달성하기 위한 본 발명에 따른 스피커 장치는, 전면과 후면의 서로 대향하는 위치에 개구부가 형성되어 있고, 좌측면과 우측면의 서로 대향하는 위치에 개구부와 형성되어 있는 스피커 캐비닛, 상기 스피커 캐비닛의 전면 개구부에서 전방을 향하여 설치되는 제1 스피커 드라이버, 상기 스피커 캐비닛의 후면 개구부에서 후방을 향하여 설치되는 제2 스피커 드라이버, 및 상기 스피커 캐비닛의 좌측면 개구부와 우측면 개구부에 좌우 대칭으로 설치되는 제1 및 제2 패시브 라디에이터를 포함한다. The speaker device according to the present invention for achieving the above object is a speaker cabinet, the speaker cabinet is formed with an opening in a position opposite to each other of the front and rear surfaces, the left and right surfaces, the speaker cabinet A first speaker driver installed forward from the front opening of the speaker, a second speaker driver installed rearward from the rear opening of the speaker cabinet, and a first symmetrically installed at the left side opening and the right side opening of the speaker cabinet; And a second passive radiator.
상기 패시브 라디에이터는 중심 부위가 바깥 방향으로 볼록한 형상일 수 있으며, 금속 재질을 사용할 수 있다.The passive radiator may have a central portion of which a convex shape is outwardly convex and may use a metal material.
그리고, 상기 제1 및 제2 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 음향 덕트를 더 포함할 수 있으며, 상기 음향 덕트는, 상기 제1 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 제1 음향 덕트, 및 상기 제2 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 제2 음향 덕트로 구성할 수 있다.The apparatus may further include an acoustic duct for guiding acoustic energy radiated from the first and second speaker drivers to the first and second passive radiators, wherein the acoustic duct is sound emitted from the first speaker driver. The first acoustic duct may lead energy to the first and second passive radiators, and the second acoustic duct guides acoustic energy radiated from the second speaker driver to the first and second passive radiators. .
본 발명에 따르면, 한 쌍의 스피커 드라이버를 서로 반대 방향으로 배치하고, 두 개의 패시브 라디에이터를 사용하여, 스피커 드라이버의 후면으로 방사된 음향에너지가 소멸되기 전까지 두 개의 패시브 라디에이터를 진동하므로 에너지 효율이 뛰어나고, 스피커 장치의 전후 좌우로 음향 에너지가 방사되므로 실제 연주 무대와 흡사한 음장을 제공할 수 있다. 그리고, 구조가 단순하면서도 두 개의 패시브 라디에이터의 무게에 따라 소형화하여도 낮은 공진점을 가질 수 있으므로, 넓은 주파수 대역을 재생할 수 있으면서도 소형화가 가능한 스피커 장치를 제공할 수 있다. According to the present invention, a pair of speaker drivers are disposed in opposite directions, and two passive radiators are used to vibrate two passive radiators until the acoustic energy radiated to the rear of the speaker driver is dissipated, thereby providing excellent energy efficiency Therefore, since the sound energy is radiated to the front and rear and left and right of the speaker device, it can provide a sound field similar to the actual performance stage. In addition, since the structure is simple and has a low resonance point even if it is miniaturized according to the weight of two passive radiators, it is possible to provide a speaker device that can be miniaturized while reproducing a wide frequency band.
도 1은 본 발명의 일실시예에 따른 스피커 장치의 외형을 나타낸 도면,1 is a view showing the appearance of a speaker device according to an embodiment of the present invention;
도 2는 본 발명의 일실시예에 따른 스피커 장치의 정면도,2 is a front view of a speaker device according to an embodiment of the present invention;
도 3은 본 발명의 일실시예에 따른 스피커 장치의 측면 투영도, 3 is a side projection view of a speaker device according to an embodiment of the present invention;
도 4는 본 발명의 일실시예에 따른 스피커 장치의 저면 투영도, 그리고4 is a bottom projection view of a speaker device according to an embodiment of the present invention, and
도 5는 본 발명의 일실시예에 따른 스피커 장치의 정단면도이다.5 is a front sectional view of a speaker device according to an embodiment of the present invention.
이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다.Hereinafter, with reference to the drawings will be described the present invention in more detail.
도 1은 본 발명의 일실시예에 따른 스피커의 외형을 나타낸 도면이고, 도 2는 본 발명의 일실시예에 따른 스피커의 정면도이며, 도 3은 본 발명의 일실시예에 따른 스피커 장치의 측면 투영도, 도 4는 본 발명의 일실시예에 따른 스피커 장치의 저면 투영도, 그리고 도 5는 본 발명의 일실시예에 따른 스피커 장치의 정단면도이다1 is a view showing the appearance of a speaker according to an embodiment of the present invention, Figure 2 is a front view of a speaker according to an embodiment of the present invention, Figure 3 is a side of a speaker device according to an embodiment of the present invention 4 is a bottom projection view of a speaker device according to an embodiment of the present invention, and FIG. 5 is a front sectional view of the speaker device according to an embodiment of the present invention.
도 1 내지 도 5를 참조하여, 본 발명에 따른 스피커 장치에 대해 설명하면 다음과 같다. Referring to Figures 1 to 5, the speaker device according to the present invention will be described.
본 스피커 장치(100)는 전면과 후면의 서로 대향하는 위치에 개구부가 형성되어 있고, 좌측면과 우측면의 서로 대향하는 위치에 개구부와 형성되어 있는 스피커 캐비닛(110), 스피커 캐비닛(110)의 전면 개구부에서 전방을 향하여 설치되는 제1 스피커 드라이버(120), 스피커 캐비닛(110)의 후면 개구부에서 후방을 향하여 설치되는 제2 스피커 드라이버(125)를 포함한다. 그리고, 스피커 캐비닛(110)의 좌측면 개구부와 우측면 개구부에 좌우 대칭으로 설치되는 제1 및 제2 패시브 라디에이터(passive radiator)(130, 135)를 포함한다.The speaker device 100 has openings formed at positions facing each other on the front and rear surfaces, and speaker cabinets 110 and front surfaces of the speaker cabinet 110 formed at the positions facing the sides on the left and right sides. The first speaker driver 120 is installed toward the front in the opening, and the second speaker driver 125 is installed in the rear from the rear opening of the speaker cabinet 110. The first and second passive radiators 130 and 135 are provided in left and right symmetrical directions in the left side opening portion and the right side opening portion of the speaker cabinet 110.
스피커 장치(100)의 전면 형태는 세로축이 가로축보다 상대적으로 긴 직사각형 형상이며, 전체적으로 납작한 사각형 형태로 옷의 주머니나 가방 등에 넣어서 휴대하기 편리한 형태이다The front shape of the speaker device 100 is a rectangular shape in which the vertical axis is relatively longer than the horizontal axis, and is a shape that is convenient to carry in a pocket or a bag of clothes in a flat rectangular shape as a whole.
스피커 드라이버(120, 125)는 서로 반대 방향으로 향하도록 쌍으로 설치되며, 하나 이상의 쌍으로 구성될 수도 있다. The speaker drivers 120 and 125 are installed in pairs so as to face in opposite directions to each other, and may be configured in one or more pairs.
스피커 캐비닛(110)의 내부에는 제1 및 제2 스피커 드라이버(120, 125)의 방사 음향 에너지를 제1 및 제2 패시브 라디에이터(130, 135)로 유도하는 음향 덕트(140, 145)가 설치되어 있다. 음향 덕트(140, 145)는, 제1 스피커 드라이버(120)에서 방사되는 음향 에너지를 제1 및 제2 패시브 라디에이터(130, 135)로 유도하는 제1 음향 덕트(140)와, 제2 스피커 드라이버(125)에서 방사되는 음향 에너지를 제1 및 제2 패시브 라디에이터(130, 135)로 유도하는 제2 음향 덕트(145)로 구성할 수 있다. Acoustic ducts 140 and 145 are installed inside the speaker cabinet 110 to guide radiated acoustic energy of the first and second speaker drivers 120 and 125 to the first and second passive radiators 130 and 135. have. The acoustic ducts 140 and 145 may include a first acoustic duct 140 and a second speaker driver for guiding acoustic energy radiated from the first speaker driver 120 to the first and second passive radiators 130 and 135. The second acoustic duct 145 may be configured to guide acoustic energy radiated from the 125 to the first and second passive radiators 130 and 135.
스피커 캐비닛(110)의 좌우측에 설치되는 제1 및 제2 패시브 라디에이터(130, 135)는 중심 부위가 바깥 방향으로 볼록한 형상이며, 중심에서 주변으로 갈수록 깊이가 줄어드는 형상이다. The first and second passive radiators 130 and 135 installed on the left and right sides of the speaker cabinet 110 are convex in the center portion outward and have a shape in which the depth decreases from the center to the periphery.
패시브 라디에이터(130, 135)는 보조 저역 발생 장치로써 ABR(auxiliary bass radiatir)이라고도 하며, 보이스 코일이나 자기적인 구조가 없는 평면 스피커 유닛으로서, 이 자체만으로는 스피커가 피스톤 운동처럼 진폭을 하여서 소리를 만들어 낼 수는 없다. 그러나, 패시브 라디에이터(130, 135)는 진동판이 저음반사형의 포트를 대신하여 스피커 드라이버(120, 125)의 움직임에 의해 변화되는 스피커 캐비닛(110) 내부의 공기 압력에 대응하여 동작한다. 즉, 패시브 라디에이터(130, 135)는 진동계의 공진을 이용한다. 패시브 라디에이터(130, 135)는 스피커의 응답에 생길 수 있는 피크를 매끄럽게 하고, 포티드 시스템의 바람소리와 포트에서 발생하는 공진 현상을 제거할 수 있다. Passive radiators (130, 135) are auxiliary bass radiators (ABRs), also called auxiliary bass radiatirs, which are flat speaker units without voice coils or magnetic structures. There is no number. However, the passive radiators 130 and 135 operate in response to the air pressure inside the speaker cabinet 110 in which the diaphragm is changed by the movement of the speaker drivers 120 and 125 in place of the low reflection type port. That is, the passive radiators 130 and 135 use resonance of the vibrometer. The passive radiators 130 and 135 smooth the peaks that may occur in the response of the speaker, and remove the wind noise and the resonance of the ported system.
스피커 캐비닛(110)의 좌우측면에 설치된 패시브 라디에이터(130, 135)의 볼록한 내부 구조로 인하여 불필요한 잔향 주파수의 공진을 줄일 수 있다. 또한, 주머니 속에 넣고 다니면서 재생하는 경우, 패시브 라디에이터(130, 135)의 진동을 느낄 수 있어, 사용자는 듣는 것 이외에도 진동의 느낌을 즐길 수 있다.Due to the convex internal structure of the passive radiators 130 and 135 installed on the left and right sides of the speaker cabinet 110, it is possible to reduce unnecessary resonance of the reverberation frequency. In addition, when playing while playing in the pocket, it is possible to feel the vibration of the passive radiator (130, 135), the user can enjoy the feeling of vibration in addition to listening.
이와 같은 구조의 스피커 장치(100)는 듀얼 패시브 라디에이터(dual passiver radiator)형으로, 제1 및 제2 스피커 드라이버(120, 125)가 서로 반대 방향으로 배치되어 있어, 대음량의 출력시에도 스피커 장치(100)는 요동하지 않는 구조를 갖는다. The speaker device 100 having such a structure has a dual passive radiator type, and the first and second speaker drivers 120 and 125 are arranged in opposite directions, so that the speaker device is output even at a high volume output. 100 has a structure that does not rock.
또한, 제1 및 제2 스피커 드라이버(120, 125)의 후면으로 방사된 음향에너지가 소멸되기 전까지 제1 및 제2 패시브 라디에이터(130, 135)를 진동하므로 에너지 효율이 뛰어나며, 스피커 장치(100)의 전후 좌우로 음향에너지가 방사되므로 실제 연주 무대와 흡사한 음장을 제공할 수 있다. In addition, since the first and second passive radiators 130 and 135 are vibrated until the sound energy radiated to the rear surfaces of the first and second speaker drivers 120 and 125 is extinguished, the speaker device 100 has excellent energy efficiency. Acoustic energy is radiated to the front, rear, left, and right of to provide a sound field similar to the actual performance stage.
그리고, 패시브 라디에이터(130, 135)는 금속 재질 등을 사용하여, 스피커 드라이버(120, 125)에 비해 무겁게 만들 수 있다. 따라서, 구조가 비교적 단순하면서도 두 개의 패시브 라디에이터(130, 135)의 무게에 따라 소형화하여도 낮은 공진점을 가질 수 있으므로, 소형화가 가능하면서 넓은 주파수 대역을 재생할 수도 있다. In addition, the passive radiators 130 and 135 may be made heavier than the speaker drivers 120 and 125 by using a metal material or the like. Therefore, the structure is relatively simple and can have a low resonance point even if it is miniaturized according to the weight of the two passive radiators 130 and 135, so that it is possible to miniaturize and reproduce a wide frequency band.
또한, 제1 및 제2 패시브 라디에이터(130, 135)에 전달되는 방사 음향 에너지의 방향을 조절하거나, 양을 조절하거나, 혹은 분리하기 위한 판을 사용할 수도 있다.In addition, it is also possible to use a plate for adjusting, or adjusting or separating the direction of the radiated acoustic energy transmitted to the first and second passive radiators 130 and 135.
본 발명에 따른 스피커 장치(100)의 사용에 있어서도, 제1 스피커 드라이버(120)와 제2 스피커 드라이버(125)과 동일한 음향 신호를 출력하도록 구성할 수도 있고, 스테레오 L과 R과 같이 서로 다른 음향 신호를 출력하도록 구성할 수도 있다. 만일, 제1 스피커 드라이버(120)와 제2 스피커 드라이버(125)가 동일한 음향 신호를 출력하도록 구성하는 경우, 두 대의 스피커 장치(100)를 이용하여 스테레오 음향 출력이 가능하도록 구성할 수 있다.Also in the use of the speaker device 100 according to the present invention, it may be configured to output the same sound signal as the first speaker driver 120 and the second speaker driver 125, and different sounds such as stereo L and R It can also be configured to output a signal. If the first speaker driver 120 and the second speaker driver 125 are configured to output the same sound signal, the two speaker devices 100 may be configured to enable stereo sound output.
또한, 도 5에 도시한 바와 같이, 하나의 스피커 드라이버(120)는 두 개의 스피커 유닛(120a, 120b)이나, 두 개 이상의 스피커 유닛으로 구성할 수도 있다. 이와 같이 하나의 스피커 드라이버(120)를 두 개의 스피커 유닛(120a, 120b)으로 구성하여, 스피커 장치(100)의 전면 형태를 세로축이 가로축보다 상대적으로 긴 직사각형 형상으로 만들 수 있다. In addition, as illustrated in FIG. 5, one speaker driver 120 may include two speaker units 120a and 120b or two or more speaker units. In this way, by configuring one speaker driver 120 into two speaker units 120a and 120b, the front shape of the speaker device 100 may be formed into a rectangular shape whose vertical axis is relatively longer than the horizontal axis.
한편, 본 발명에 따른 스피커 장치는 상기한 바와 같이 설명된 실시예들의 구성에 한정되게 적용될 수 있는 것이 아니라, 상기한 실시예들은 다양한 변형이 이루어질 수 있도록 각 실시예들의 전부 또는 일부가 선택적으로 조합되어 구성될 수도 있다.On the other hand, the speaker device according to the present invention is not limited to the configuration of the embodiments described as described above, the above embodiments are selectively combined all or part of each embodiment so that various modifications can be made It may be configured.
또한, 이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어서는 안될 것이다.In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.
본 발명은 음장감이 뛰어나면서도 소형으로 휴대하기 편리한 스피커 장치에 사용할 수 있다.Industrial Applicability The present invention can be used in a speaker device that is excellent in sound field and compact and portable.

Claims (6)

  1. 전면과 후면의 서로 대향하는 위치에 개구부가 형성되어 있고, 좌측면과 우측면의 서로 대향하는 위치에 개구부와 형성되어 있는 스피커 캐비닛;A speaker cabinet having openings formed at positions opposite to each other on the front and rear surfaces thereof, the speaker cabinet being formed at the positions opposite to each other on the left and right sides thereof;
    상기 스피커 캐비닛의 전면 개구부에서 전방을 향하여 설치되는 제1 스피커 드라이버;A first speaker driver installed forward from the front opening of the speaker cabinet;
    상기 스피커 캐비닛의 후면 개구부에서 후방을 향하여 설치되는 제2 스피커 드라이버; 및 A second speaker driver installed rearward from the rear opening of the speaker cabinet; And
    상기 스피커 캐비닛의 좌측면 개구부와 우측면 개구부에 좌우 대칭으로 설치되는 제1 및 제2 패시브 라디에이터를 포함하는 스피커 장치.And a first and a second passive radiator symmetrically installed in the left side opening portion and the right side opening portion of the speaker cabinet.
  2. 제1항에 있어서,The method of claim 1,
    상기 패시브 라디에이터는 중심 부위가 바깥 방향으로 볼록한 형상인 것을 특징으로 하는 스피커 장치.The passive radiator is a speaker device, characterized in that the central portion is convex outwardly shaped.
  3. 제1항에 있어서,The method of claim 1,
    상기 패시브 라디에이터는 금속 재질인 것을 특징으로 하는 스피커 장치.The passive radiator is a speaker device, characterized in that the metal material.
  4. 제1항에 있어서,The method of claim 1,
    상기 제1 및 제2 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 음향 덕트를 더 포함하는 스피커 장치.And a sound duct for directing acoustic energy radiated from the first and second speaker drivers to the first and second passive radiators.
  5. 제4항에 있어서,The method of claim 4, wherein
    상기 음향 덕트는, 상기 제1 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 제1 음향 덕트; 및The acoustic duct includes: a first acoustic duct for guiding acoustic energy radiated from the first speaker driver to the first and second passive radiators; And
    상기 제2 스피커 드라이버에서 방사되는 음향 에너지를 상기 제1 및 제2 패시브 라디에이터로 유도하는 제2 음향 덕트를 포함하는 것을 특징으로 하는 스피커 장치.And a second acoustic duct for guiding acoustic energy radiated from the second speaker driver to the first and second passive radiators.
  6. 제1항에 있어서,The method of claim 1,
    상기 스피커 캐비닛의 전면 형상은, 세로축이 가로축보다 상대적으로 긴 직사각형 형상인 것을 특징으로 하는 스피커 장치. The front shape of the speaker cabinet is a speaker device, characterized in that the vertical axis is a relatively long rectangular shape than the horizontal axis.
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CN110475185A (en) * 2019-08-13 2019-11-19 海能达通信股份有限公司 Acoustic radiation component and audible device

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