WO2014194446A1 - 号角式多点激励扬声器箱 - Google Patents

号角式多点激励扬声器箱 Download PDF

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Publication number
WO2014194446A1
WO2014194446A1 PCT/CN2013/001121 CN2013001121W WO2014194446A1 WO 2014194446 A1 WO2014194446 A1 WO 2014194446A1 CN 2013001121 W CN2013001121 W CN 2013001121W WO 2014194446 A1 WO2014194446 A1 WO 2014194446A1
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WO
WIPO (PCT)
Prior art keywords
horn
box
unit
woofer
tweeter
Prior art date
Application number
PCT/CN2013/001121
Other languages
English (en)
French (fr)
Inventor
蒋加星
Original Assignee
无锡杰夫电声有限公司
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 无锡杰夫电声有限公司 filed Critical 无锡杰夫电声有限公司
Priority to DE212013000301.3U priority Critical patent/DE212013000301U1/de
Priority to KR1020147031641A priority patent/KR101610224B1/ko
Publication of WO2014194446A1 publication Critical patent/WO2014194446A1/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges

Definitions

  • the present invention relates to a speaker box, and more particularly to a horn type multi-point excitation speaker box for loading horns, which belongs to the field of electroacoustic technology.
  • the speaker products for high-end high-end LCD and PDP flat-panel televisions generally use a plurality of speaker units to form a speaker box to obtain a wider frequency response bandwidth and better high, medium and low frequency bands. Sound quality.
  • the speaker products are required to be thinner in structure, and the conventional multiple speaker units are integrated in a thinner space structure, making it difficult to obtain better sound quality. Therefore, a new type of speaker box has been sought, and it has become extremely important to obtain an optimum frequency response curve and sound quality by arranging and combining the positions of a plurality of speaker units in the cabinet. Summary of the invention
  • the object of the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a horn type multi-point excitation speaker box, which has a clever and reasonable structure, and adopts a plurality of tweeter units and a woofer unit to form a multi-point excitation source, and is in a high-pitched sound.
  • the front of the speaker unit is loaded with a horn, which can obtain the optimal acoustic index of each frequency band while keeping the speaker box thin, even if the tweeter unit of the speaker box is installed down on the TV to maintain good sound quality.
  • a horn type multi-point excitation speaker box includes a cabinet, a woofer unit and a tweeter unit, wherein: the number of the woofer units is at least two, and the number of tweeter units is The number of the woofer units is the same; the box body is of an elongated shape, and the upper surface of the box body is provided with a plurality of upper mounting holes distributed along the long axis direction thereof, and the lower surface of the box body is provided with a plurality of lengths along the long side thereof a lower mounting hole distributed in the axial direction, wherein the lower mounting hole has a one-to-one correspondence with the upper mounting hole, and the number of the lower mounting hole and the upper mounting hole is the same as the number of the woofer unit, and the woofer unit is mounted on the upper mounting hole and In the lower mounting hole, the sound radiating direction of the woofer unit is directed toward the upper side of the box; a long side of the box body is provided with a pluralit
  • the box body is mainly composed of an upper shell and a lower shell, the upper mounting hole is opened on the upper shell, and the lower mounting hole is opened on the lower shell; a long side of the upper shell is arranged
  • the upper half side hole is provided with a lower half side hole on the corresponding long side edge of the lower shell, and when the upper shell and the lower shell body are assembled into a box body, the upper half side hole and the lower half side hole pair are completely assembled. Side hole.
  • the casing is provided with a conduit for conducting the inside of the casing to the outside air.
  • the duct is located at one end of the casing in the longitudinal direction, and the outer end of the duct is located on the same side of the casing as the tweeter unit.
  • the box body is mainly composed of an upper shell and a lower shell, and one end of the upper shell in the longitudinal direction extends through the reinforcing rib to form an upper half conduit slot, and the corresponding end of the lower shell in the long axis direction
  • the lower half of the conduit groove is formed by the rib extension, and when the upper shell and the lower shell are assembled into a box body, the upper half duct slot and the lower half duct slot pair form a complete duct.
  • the acoustic center distance between adjacent tweeter units should be less than or equal to the length of the tweeter unit in the long axis direction, and the acoustic center distance between adjacent woofer units should be less than or equal to the diameter length of the woofer unit.
  • the outer diameter of the woofer unit cone folding ring coincides with the inner diameter of the mounting hole on the casing, and the cone flange is placed in the upper mounting hole; the woofer unit bottom U iron or The outer diameter of the erbium iron coincides with the inner diameter of the lower mounting hole, and the U iron or T iron is placed in the lower mounting hole.
  • the number of the woofer unit and the tweeter unit is two, and the two woofer units and the two tweeter units are symmetrically disposed at both ends of the housing in the longitudinal direction.
  • a rear shock absorbing ring is disposed between the tweeter unit and a corresponding side hole on the casing, and a front shock absorbing ring is disposed between the horn on the horn and the corresponding tweeter unit.
  • the horn is a unitary structure, and the horn is fastened to the case by a screw.
  • the invention has the advantages that: the structure of the invention is ingenious and reasonable, and two or more woofer units and two or more tweeter units are used to form a multi-point excitation source system, and the treble is in the treble
  • the front of the speaker unit is loaded with a horn, so that the speaker box can obtain the optimal acoustic index of each frequency band while keeping the thinning, even if the tweeter unit of the speaker box is installed down on the TV to maintain good sound quality.
  • FIG. 1 is a schematic exploded view of an embodiment of the present invention.
  • FIG. 2 is a schematic perspective view of the lower case of FIG. 1.
  • Figure 3 is a schematic view of the structure of Figure 1 assembled without the horn being loaded.
  • Figure 4 is a schematic plan view of the top view and sound center of the present invention.
  • Figure 5 is a comparison diagram of the frequency response curve of the present invention.
  • the horn type multi-point excitation speaker box in the embodiment mainly consists of an upper casing 1, a woofer unit 2, a lower casing 3, a rear damper ring 4, a tweeter unit 5, a front damper ring 6, and a horn 7 And screw 8 and so on.
  • the number of the woofer units 2 is two, and the structural performance of the two woofer units 2 is exactly the same; the number of the tweeter units 5 is also two, two tweeters.
  • the structural performance of unit 5 is also exactly the same; the box is flat and long, on the upper surface of the box
  • the upper mounting hole la is disposed along the longitudinal direction of the long axis, and the lower surface of the casing is provided with two lower mounting holes 3a distributed along the longitudinal direction thereof, and the lower mounting hole 3a and the upper mounting hole la-
  • the woofer unit 2 is installed in the upper mounting hole 1a and the lower mounting hole 3a, and the sound radiating direction of the woofer unit 2 is directed toward the upper side of the box; and a long side of the box is provided with a plurality of edges a side hole whose longitudinal axis direction is distributed, the number of the side holes is the same as the number of the tweeter unit 5, the tweeter unit 5 is installed in the side hole, and the sound radiation direction
  • the casing is provided with a duct 9 for conducting the inside of the casing to the outside air to enhance the acoustic radiation efficiency of the woofer unit 2.
  • the duct 9 is located at one end of the casing in the longitudinal direction, and the outer end of the duct 9 is located on the same side of the casing as the tweeter unit 5.
  • the box body is mainly composed of an upper casing 1 and a lower casing 3, the upper mounting hole la is opened on the upper casing 1, and the lower mounting hole 3a is opened in the lower casing. 3; an upper side hole lb is disposed on one of the long sides of the upper casing 1, and a lower side hole 3b is disposed on the corresponding long side of the lower casing 3, and the upper shell 1 and the lower shell 3 are opposite
  • the upper half hole lb and the lower half side hole 3b are paired to form a complete side hole.
  • One end of the upper shell 1 in the longitudinal direction extends through the reinforcing rib to form an upper half duct slot lc, and a corresponding end of the lower shell 3 in the longitudinal direction extends through the reinforcing rib to form a lower half duct slot 3c, the upper shell 1 and the lower shell 3
  • the upper duct slot lc and the lower duct slot 3c are assembled to form a complete duct 9.
  • the mounting and fixing manner of the woofer unit 2 is specifically as shown in FIG. 1 to FIG. 3, and the outer diameter of the phono unit 2 of the woofer unit 2 matches the inner diameter of the mounting hole la on the casing.
  • the basin folding ring is placed in the upper mounting hole 1a; the outer diameter of the U-iron at the bottom of the woofer unit 2 coincides with the inner diameter of the lower mounting hole 3a, and the U-iron is placed in the lower mounting hole 3a.
  • the two woofer units 2 and the two tweeter units 5 are symmetrically disposed at two ends of the housing in the long axis direction, and the sound radiating direction of the tweeter unit 5 and the sound of the woofer unit 2 The radiation direction is not on the same side.
  • the acoustic center distance X between adjacent tweeter units 5 in the horn type multi-point excitation speaker box should be less than or equal to the length of the tweeter unit 5 in the long axis direction.
  • the acoustic center distance y between adjacent woofer units 2 should be less than or equal to three times the diameter ⁇ of the woofer unit 2.
  • a rear shock absorbing ring 4 is disposed between the tweeter unit 5 and a corresponding side hole on the box, and the horn 7a on the horn 7 and the corresponding tweeter unit 5 are disposed.
  • the horn-type multi-point excitation speaker box in the embodiment of the present invention has a significantly better frequency response in the ⁇ - ⁇ than the multi-point excitation speaker box in which the horn 7 is not loaded.

Abstract

一种号角式多点激励扬声器箱,包括箱体、低音扬声器单元(2)和高音扬声器单元(5),其特征在于:低音扬声器单元(2)的数量至少为两个,高音扬声器单元(5)的数量与低音扬声器单元(2)的数量相同;箱体为扁长型,箱体上设有与低音扬声器单元(2)的数量相同的下安装孔(3a)、上安装孔(1a),低音扬声器单元(2)安装在上安装孔(1a)和下安装孔(3a)内;箱体的一个长侧边上设有若干个沿其长轴方向分布的侧孔(1b、3b),侧孔(1b、3b)的个数与高音扬声器单元(5)的数量相同,高音扬声器单元(5)安装在侧孔(1b、3b)内;高音扬声器单元(5)前面设置有号角(7),号角(7)上设有与高音扬声器单元(5)—一对应的号筒(7a)。

Description

号角式多点激励扬声器箱
技术领域
本发明涉及一种扬声器箱, 具体地说是一种加载号角的号角式多点激励扬 声器箱, 属于电声技术领域。
背景技术
现有技术中,应用于大尺寸的高端 LCD、 PDP平板型电视机用扬声器产品, 一般采用多个扬声器单元组成扬声器箱, 以获得较宽的频响带宽和较好的高、 中、 低频段音质。 但是, 由于平板型电视机的薄型化趋势日益明显, 要求所配 套的扬声器产品结构更薄, 而传统的多个扬声器单元集成在一个更薄的空间结 构中, 难以获得更好的音质。 因此, 寻求一种新型的扬声器箱, 通过多个扬声 器单元在箱体中位置的排列组合, 获得最佳的频响曲线和音质变得异常重要。 发明内容
本发明的目的在于克服现有技术中存在的上述不足, 提供一种号角式多点 激励扬声器箱, 其结构巧妙合理, 采用多个高音扬声器单元、 低音扬声器单元 形成多点激励源, 且在高音扬声器单元前面加载有号角, 在保持扬声器箱薄型 化的同时能够获得各个频段最优的声学指标, 即使扬声器箱的高音扬声器单元 在电视机上朝下安装也能保持较好地音质。
按照本发明提供的技术方案: 号角式多点激励扬声器箱, 包括箱体、 低音 扬声器单元和高音扬声器单元, 其特征在于: 所述低音扬声器单元的数量至少 为两个, 高音扬声器单元的数量与低音扬声器单元的数量相同; 所述箱体为扁 长型, 箱体的上表面上开设有若干个沿其长轴方向分布的上安装孔, 箱体的下 表面上开设有若干个沿其长轴方向分布的下安装孔, 所述下安装孔与上安装孔 一一对应, 下安装孔、 上安装孔的个数与低音扬声器单元的数量相同, 所述低 音扬声器单元安装在上安装孔和下安装孔内, 低音扬声器单元的声音辐射方向 朝向箱体上方; 所述箱体的一个长侧边上设有若干个沿其长轴方向分布的侧孔, 所述侧孔的个数与高音扬声器单元的数量相同, 所述高音扬声器单元安装在侧 孔内, 高音扬声器单元的声音辐射方向朝向箱体一侧; 所述高音扬声器单元前 面设置有号角, 号角紧固安装在箱体的侧边上, 号角上设有与高音扬声器单元 _ . _ "对应的号筒。
作为本发明的进一步改进, 所述箱体主要由上壳和下壳组成, 所述上安装 孔开设在上壳上, 下安装孔开设在下壳上; 所述上壳的一个长侧边上设有上半 侧孔, 所述下壳上对应的长侧边上设有下半侧孔, 上壳与下壳对拼组成箱体时, 上半侧孔与下半侧孔对拼组成完整的侧孔。
作为本发明的进一步改进, 所述箱体上设有将箱体内部与外界空气相导通 的导管。
作为本发明的进一步改进, 所述导管位于箱体上长轴方向的一端, 导管外 端开口与高音扬声器单元位于箱体的同一侧边上。
作为本发明的进一步改进, 所述箱体主要由上壳和下壳组成, 所述上壳长 轴方向的一端通过加强筋延伸形成上半导管槽, 所述下壳长轴方向的对应一端 通过加强筋延伸形成下半导管槽, 上壳与下壳对拼组成箱体时, 上半导管槽与 下半导管槽对拼组成完整的导管。
作为本发明的进一步改进, 相邻高音扬声器单元之间的声中心距离应小于 等于高音扬声器单元长轴方向的长度, 相邻低音扬声器单元之间的声中心距离 应小于等于低音扬声器单元的直径长度的三倍。
作为本发明的进一步改进, 所述低音扬声器单元音盆折环的外径与箱体上 安装孔的内径相吻合, 音盆折环置于上安装孔内; 所述低音扬声器单元底部 U 铁或 τ铁的外径与下安装孔的内径相吻合, U铁或 T铁置于下安装孔内。
作为本发明的进一步改进, 所述低音扬声器单元和高音扬声器单元的数量 均为两个, 两个低音扬声器单元、 两个高音扬声器单元分别对称设置在壳体长 轴方向的两端。
作为本发明的进一步改进, 所述高音扬声器单元与箱体上对应的侧孔之间 设置有后减震圈, 所述号角上的号筒与对应高音扬声器单元之间设置有前减震 圈。
作为本发明的进一步改进, 所述号角为一体结构, 号角与箱体之间用螺钉 紧固结合。
本发明与现有技术相比, 优点在于: 本发明结构巧妙合理, 采用两个或两 个以上的低音扬声器单元和两个或两个以上的高音扬声器单元形成多点激励源 系统, 并且在高音扬声器单元前面加载有号角, 使得扬声器箱在保持薄型化的 同时能够获得各个频段最优的声学指标, 即使扬声器箱的高音扬声器单元在电 视机上朝下安装也能保持较好地音质。
附图说明
图 1为本发明实施例的分解结构示意图。
图 2为图 1中下壳的立体结构示意图。
图 3为图 1组装好但未加载号角时的结构示意图。
图 4为本发明的俯视及声中心示意图。
图 5为本发明的频响曲线对比图。
附图标记说明: 1一上壳、 la—上安装孔、 lb—上半侧孔、 lc一上半导管槽、 2—低音扬声器单元、 3—下壳、 3a—下安装孔、 3b—下半侧孔、 3c—下半导管槽、 4一后减震圈、 5—高音扬声器单元、 6—前减震圈、 7—号角、 7a—号筒、 8—螺 钉、 9一导管。
具体实施方式
下面结合具体附图和实施例对本发明作进一步描述。
如图所示: 实施例中的号角式多点激励扬声器箱主要由上壳 1、低音扬声器 单元 2、 下壳 3、 后减震圈 4、 高音扬声器单元 5、 前减震圈 6、 号角 7和螺钉 8 等组成。
如图 1〜图 3所示, 所述低音扬声器单元 2的数量为两个, 两个低音扬声器 单元 2的结构性能完全一样; 所述高音扬声器单元 5的数量也为两个, 两个高 音扬声器单元 5 的结构性能也完全一样; 所述箱体为扁长型, 箱体的上表面上 开设有两个沿其长轴方向分布的上安装孔 la, 箱体的下表面上开设有两个沿其 长轴方向分布的下安装孔 3a, 所述下安装孔 3a与上安装孔 la—一对应, 所述 低音扬声器单元 2安装在上安装孔 la和下安装孔 3a内,低音扬声器单元 2的声 音辐射方向朝向箱体上方; 所述箱体的一个长侧边上设有若干个沿其长轴方向 分布的侧孔, 所述侧孔的个数与高音扬声器单元 5 的数量相同, 所述高音扬声 器单元 5安装在侧孔内, 高音扬声器单元 5的声音辐射方向朝向箱体一侧; 所 述高音扬声器单元 5前面设置有一体结构的号角 7,号角 7用螺钉 8紧固安装在 箱体的侧边上, 号角 7上设有与高音扬声器单元 5—一对应的号筒 7a。
如图 1所示,所述箱体上设有将箱体内部与外界空气相导通的导管 9, 以增 强低音扬声器单元 2的声辐射效率。 图示实施例中, 所述导管 9位于箱体上长 轴方向的一端, 导管 9外端开口与高音扬声器单元 5位于箱体的同一侧边上。
如图 1〜图 3所示,本发明实施例中,所述箱体主要由上壳 1和下壳 3组成, 所述上安装孔 la开设在上壳 1上, 下安装孔 3a开设在下壳 3上; 所述上壳 1 的一个长侧边上设有上半侧孔 lb, 所述下壳 3上对应的长侧边上设有下半侧孔 3b, 上壳 1与下壳 3对拼组成箱体时, 上半侧孔 lb与下半侧孔 3b对拼组成完 整的侧孔。 所述上壳 1长轴方向的一端通过加强筋延伸形成上半导管槽 lc, 所 述下壳 3长轴方向的对应一端通过加强筋延伸形成下半导管槽 3c, 上壳 1与下 壳 3对拼组成箱体时, 上半导管槽 lc与下半导管槽 3c对拼组成完整的导管 9。
本发明实施例中, 所述低音扬声器单元 2的安装固定方式具体如图 1〜图 3 所示, 低音扬声器单元 2音盆折环的外径与箱体上安装孔 la的内径相吻合, 音 盆折环置于上安装孔 la内;所述低音扬声器单元 2底部 U铁的外径与下安装孔 3a的内径相吻合, U铁置于下安装孔 3a内。
本发明实施例中,所述的两个低音扬声器单元 2、两个高音扬声器单元 5分 别对称设置在壳体长轴方向的两端, 高音扬声器单元 5 的声音辐射方向与低音 扬声器单元 2的声音辐射方向不在同一侧。 如图 4所示, 为了确保扬声器箱的 声学性能, 所述号角式多点激励扬声器箱中, 相邻高音扬声器单元 5之间的声 中心距离 X应小于等于高音扬声器单元 5长轴方向的长度 Δ, 相邻低音扬声器 单元 2之间的声中心距离 y应小于等于低音扬声器单元 2的直径长度 Φ的三倍。
为了进一步提高扬声器箱的声学性能, 所述高音扬声器单元 5与箱体上对 应的侧孔之间设置有后减震圈 4, 所述号角 7上的号筒 7a与对应高音扬声器单 元 5之间设置有前减震圈 6。
如图 5所示, 经实际测试, 本发明实施例中的号角式多点激励扬声器箱在 ΙΚ-ΙΟΚΗζ的频响明显优于未加载号角 7的多点激励扬声器箱。

Claims

权 利 要 求 书
1、 号角式多点激励扬声器箱, 包括箱体、 低音扬声器单元 (2) 和高音扬 声器单元 (5), 其特征在于: 所述低音扬声器单元 (2) 的数量至少为两个, 高 音扬声器单元 (5 ) 的数量与低音扬声器单元 (2) 的数量相同; 所述箱体为扁 长型, 箱体的上表面上开设有若干个沿其长轴方向分布的上安装孔 (la), 箱体 的下表面上开设有若干个沿其长轴方向分布的下安装孔 (3a),所述下安装孔 (3a) 与上安装孔 (la) —一对应, 下安装孔 (3a)、 上安装孔 (la) 的个数与低音扬 声器单元 (2) 的数量相同, 所述低音扬声器单元 (2 ) 安装在上安装孔 (la) 和下安装孔 (3a) 内, 低音扬声器单元 (2) 的声音辐射方向朝向箱体上方; 所 述箱体的一个长侧边上设有若干个沿其长轴方向分布的侧孔, 所述侧孔的个数 与高音扬声器单元 (5 ) 的数量相同, 所述高音扬声器单元 (5 ) 安装在侧孔内, 高音扬声器单元 (5 ) 的声音辐射方向朝向箱体一侧; 所述高音扬声器单元 (5) 前面设置有号角 (7), 号角 (7) 紧固安装在箱体的侧边上, 号角 (7) 上设有 与高音扬声器单元 (5 ) —一对应的号筒 (7a)。
2、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 所述箱体 主要由上壳 (1 ) 和下壳 (3 ) 组成, 所述上安装孔 (la) 开设在上壳 (1 ) 上, 下安装孔 (3a) 开设在下壳 (3 ) 上; 所述上壳 (1 ) 的一个长侧边上设有上半 侧孔 (lb), 所述下壳 (3 ) 上对应的长侧边上设有下半侧孔 (3b), 上壳 (1 ) 与下壳 (3 ) 对拼组成箱体时, 上半侧孔 (lb) 与下半侧孔 (3b) 对拼组成完整 的侧孔。
3、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 所述箱体 上设有将箱体内部与外界空气相导通的导管 (9)。
4、 如权利要求 3所述的号角式多点激励扬声器箱, 其特征在于: 所述导管 (9)位于箱体上长轴方向的一端, 导管 (9) 外端开口与高音扬声器单元 (5) 位于箱体的同一侧边上。
5、 如权利要求 3所述的号角式多点激励扬声器箱, 其特征在于: 所述箱体 主要由上壳 (1 ) 和下壳 (3 ) 组成, 所述上壳 (1 ) 长轴方向的一端通过加强筋 延伸形成上半导管槽 (lc), 所述下壳 (3 ) 长轴方向的对应一端通过加强筋延 伸形成下半导管槽 (3c), 上壳 (1 ) 与下壳 (3) 对拼组成箱体时, 上半导管槽
( lc) 与下半导管槽 (3c) 对拼组成完整的导管 (9)。
6、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 相邻高音 扬声器单元 (5 ) 之间的声中心距离 (X ) 应小于等于高音扬声器单元 (5 ) 长轴 方向的长度 (Δ ), 相邻低音扬声器单元 (2) 之间的声中心距离 (y) 应小于等 于低音扬声器单元 (2) 的直径长度 (Φ ) 的三倍。
7、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 所述低音 扬声器单元 (2) 音盆折环的外径与箱体上安装孔 (la) 的内径相吻合, 音盆折 环置于上安装孔(la) 内; 所述低音扬声器单元(2)底部 U铁或 T铁的外径与 下安装孔 (3a) 的内径相吻合, U铁或 T铁置于下安装孔 (3a) 内。
8、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 所述低音 扬声器单元 (2)和高音扬声器单元 (5 ) 的数量均为两个, 两个低音扬声器单 元 (2)、 两个高音扬声器单元 (5 ) 分别对称设置在壳体长轴方向的两端。
9、 如权利要求 1所述的号角式多点激励扬声器箱, 其特征在于: 所述高音 扬声器单元(5 ) 与箱体上对应的侧孔之间设置有后减震圈 (4), 所述号角 (7) 上的号筒(7a) 与对应高音扬声器单元 (5 ) 之间设置有前减震圈 (6)。
10、 如权利要求 1 所述的号角式多点激励扬声器箱, 其特征在于: 所述号 角 (7) 为一体结构, 号角 (7) 与箱体之间用螺钉 (8 ) 紧固结合。
PCT/CN2013/001121 2013-06-06 2013-09-22 号角式多点激励扬声器箱 WO2014194446A1 (zh)

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