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CN204681583U - The two moving-coil unit loudspeaker of a kind of coaxial homophase

Publication number

CN204681583U

CN204681583U CN201520292605.2U CN201520292605U CN204681583U CN 204681583 U CN204681583 U CN 204681583U CN 201520292605 U CN201520292605 U CN 201520292605U CN 204681583 U CN204681583 U CN 204681583U

Authority

CN

China

Prior art keywords

voice coil

frequency

low

frequency voice

coaxial

Prior art date

2015-05-07

Legal status (The legal status 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 status listed.)

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技术领域 technical field

本实用新型涉及一种喇叭结构，尤其涉及一种同轴同相双动圈单元喇叭，属于通讯设备技术领域。 The utility model relates to a loudspeaker structure, in particular to a coaxial and in-phase double moving coil unit loudspeaker, which belongs to the technical field of communication equipment.

背景技术 Background technique

传统的双动圈单元喇叭结构，通常表现形式为两个独立单体喇叭，通过互用同一个外壳，把两个尺寸不一样的喇叭结合在一起，它需要两套磁路，两个音圈，两个振膜，以达到复合双动圈单元的目的，这类结构有一个致命的地方，当两个喇叭都通入交流信号时，前一个喇叭膜片背部所产生的声音和后一个喇叭膜片前方所产生的声音相位是相反的，因此两个膜片的频率叠加处（通常就是1kHz到3kHz范围）会出现波形抵消，使得该频点的曲线出现明显的滚降，大大影响整个喇叭的频响范围，而且两个独立的喇叭整体体积往往过大，不利于喇叭结构应用于耳机时框架设计的简化。 The traditional double moving coil unit speaker structure usually takes the form of two independent single speakers. By using the same shell, two speakers of different sizes are combined together. It requires two sets of magnetic circuits and two voice coils. , two diaphragms, in order to achieve the purpose of compound double moving coil unit, this type of structure has a fatal place, when both speakers are connected to the AC signal, the sound produced by the back of the diaphragm of the former speaker and the sound of the rear speaker The phase of the sound produced in front of the diaphragm is opposite, so there will be waveform cancellation at the frequency superposition of the two diaphragms (usually in the range of 1kHz to 3kHz), making the curve of this frequency point roll off obviously, greatly affecting the entire speaker The frequency response range, and the overall volume of the two independent speakers is often too large, which is not conducive to the simplification of the frame design when the speaker structure is applied to headphones.

发明内容 Contents of the invention

为了克服上述现有技术的不足，本实用新型提供了一种同轴同相双动圈单元喇叭，使得高、低音信号能同时到达耳朵，有效提高声音的结像度，声音更接近点声源的效果，又兼具体积最小化。 In order to overcome the shortcomings of the above-mentioned prior art, the utility model provides a coaxial and in-phase double moving coil unit speaker, so that the high-pitched and low-pitched signals can reach the ear at the same time, effectively improving the image of the sound, and the sound is closer to the point sound source. effect, but also minimize the volume.

本实用新型解决其技术问题所采用的技术方案为： The technical scheme that the utility model solves its technical problem adopts is:

一种同轴同相双动圈单元喇叭，包括外壳、T铁、磁铁、华司、PCB板、音圈和振动膜，所述音圈包括处于同一轴线上的低频音圈和高频音圈，所述低频音圈和高频音圈粘贴于所述振动膜的同一侧。 A coaxial and in-phase double moving coil unit speaker, including a housing, T iron, magnet, washer, PCB board, voice coil and vibrating membrane, the voice coil includes a low-frequency voice coil and a high-frequency voice coil on the same axis, The low-frequency voice coil and the high-frequency voice coil are pasted on the same side of the vibrating membrane.

作为上述技术方案的改进，所述低频音圈的直径小于高频音圈的直径。 As an improvement of the above technical solution, the diameter of the low-frequency voice coil is smaller than the diameter of the high-frequency voice coil.

作为上述技术方案的改进，所述外壳包括前盖和后盖，所述后盖设有伸入部，所述伸入部处于低频音圈和高频音圈之间。 As an improvement of the above technical solution, the housing includes a front cover and a rear cover, and the rear cover is provided with an extending portion, and the extending portion is located between the low-frequency voice coil and the high-frequency voice coil.

作为上述技术方案的改进，所述磁铁包括处于同一轴线上的内磁环和外磁环，所述低频音圈和高频音圈处于内磁环和外磁环之间。 As an improvement of the above technical solution, the magnet includes an inner magnetic ring and an outer magnetic ring on the same axis, and the low-frequency voice coil and the high-frequency voice coil are located between the inner magnetic ring and the outer magnetic ring.

作为上述技术方案的改进，所述内磁环两侧端面均设置有华司，所述外磁环固定于后盖和T铁之间。 As an improvement of the above technical solution, washers are provided on both end surfaces of the inner magnetic ring, and the outer magnetic ring is fixed between the back cover and the T iron.

本实用新型的有益效果有： The beneficial effects of the utility model have:

本喇叭通过在同一块振动膜的同一侧粘贴低频音圈和高频音圈，且低频音圈和高频音圈同轴设置，然后使用磁路对音圈产生的磁力进行电声转换，最终能同步输出声音，由于低频音圈和高频音圈构建在一块振动膜上，因此两组音圈在接受电信号时产生的振动是同步的，相位是完全一致的，高、低音信号能同时到达耳朵，有效提升声音结像度；由于振动膜上的两个音圈是构建在同一轴线上，因此发出的声音更接近点声源的效果，此外，复合在一起的喇叭整体体积比两个独立的喇叭明显缩小，有效简化本喇叭应用于耳机时的框架设计。 The speaker pastes the low-frequency voice coil and the high-frequency voice coil on the same side of the same vibrating film, and the low-frequency voice coil and the high-frequency voice coil are coaxially arranged, and then uses the magnetic circuit to convert the magnetic force generated by the voice coil electroacoustically, and finally The sound can be output synchronously. Since the low-frequency voice coil and the high-frequency voice coil are built on a vibrating membrane, the vibrations generated by the two sets of voice coils when receiving electrical signals are synchronized, and the phases are completely consistent. The high-frequency and low-frequency signals can be simultaneously Reaching the ear, effectively improving the sound image; since the two voice coils on the vibrating membrane are built on the same axis, the sound produced is closer to the effect of a point sound source. In addition, the overall volume of the combined speakers is larger than that of two The independent speaker is significantly reduced, which effectively simplifies the frame design of the speaker when it is used in headphones.

附图说明 Description of drawings

下面结合附图及具体实施例对本实用新型作进一步说明，其中： Below in conjunction with accompanying drawing and specific embodiment the utility model is further described, wherein:

图1是本实用新型实施例的分解图； Fig. 1 is the exploded view of the utility model embodiment;

图2是本实用新型实施例的剖视图； Fig. 2 is the sectional view of the utility model embodiment;

图3是本实用新型实施例中高频音圈工作时，振动膜上低频发声部分示意图； Fig. 3 is a schematic diagram of the low-frequency sounding part on the vibrating membrane when the high-frequency voice coil is working in the embodiment of the utility model;

图4是本实用新型实施例中高频音圈工作时，振动膜上高频发声部分示意图； Fig. 4 is a schematic diagram of the high-frequency sounding part on the vibrating membrane when the high-frequency voice coil is working in the embodiment of the utility model;

图5是本实用新型实施例中低频音圈工作时，振动膜上高频发声部分示意图； Fig. 5 is a schematic diagram of the high-frequency sounding part on the vibrating membrane when the low-frequency voice coil is working in the embodiment of the utility model;

图6是本实用新型实施例中低频音圈工作时，振动膜上低频发声部分示意图。 Fig. 6 is a schematic diagram of the low-frequency sounding part on the vibrating membrane when the low-frequency voice coil is working in the embodiment of the utility model.

具体实施方式 Detailed ways

参见图1和图2 ，本实用新型的一种同轴同相双动圈单元喇叭，包括外壳1、T铁2、磁铁3、华司4、PCB板5、音圈6和振动膜7，磁铁3包括处于同一轴线上的内磁环31和外磁环32，内磁环31两侧端面均设置有华司4，外磁环32固定于后盖9和T铁2之间，音圈6包括低频音圈61和高频音圈62，低频音圈61的直径小于高频音圈62的直径，低频音圈61和高频音圈62处于同一轴线上，且低频音圈61和高频音圈62均处于内磁环31和外磁环32之间。 Referring to Fig. 1 and Fig. 2 , a coaxial and in-phase dual moving coil unit speaker of the present invention includes a housing 1, a T iron 2, a magnet 3, a washer 4, a PCB board 5, a voice coil 6 and a vibrating membrane 7, and the magnet 3 includes an inner magnetic ring 31 and an outer magnetic ring 32 on the same axis. Washers 4 are arranged on both sides of the inner magnetic ring 31. The outer magnetic ring 32 is fixed between the back cover 9 and the T iron 2. The voice coil 6 Including low frequency voice coil 61 and high frequency voice coil 62, the diameter of low frequency voice coil 61 is smaller than the diameter of high frequency voice coil 62, low frequency voice coil 61 and high frequency voice coil 62 are on the same axis, and low frequency voice coil 61 and high frequency The voice coils 62 are located between the inner magnetic ring 31 and the outer magnetic ring 32 .

外壳1包括前盖8和后盖9，后盖9设有伸入部10，伸入部10处于低频音圈61和高频音圈62之间，低频音圈61和高频音圈62通过音圈胶与振动膜7粘合，且均位于振动膜7的同一侧，低频音圈61和高频音圈62的信号输入和输出引线均连接在PCB板5上，再通过PCB板5与音频信号连接，当音频信号输入时，音圈6与磁路产生电磁感应，带动音圈6前后运动，从而使得振动膜7前后振动发出声音。 The housing 1 includes a front cover 8 and a rear cover 9. The rear cover 9 is provided with an extending portion 10. The extending portion 10 is located between the low-frequency voice coil 61 and the high-frequency voice coil 62. The low-frequency voice coil 61 and the high-frequency voice coil 62 pass through The voice coil glue is bonded to the vibrating membrane 7, and they are all located on the same side of the vibrating membrane 7. The signal input and output leads of the low-frequency voice coil 61 and the high-frequency voice coil 62 are all connected on the PCB board 5, and then through the PCB board 5 and the The audio signal is connected. When the audio signal is input, the voice coil 6 and the magnetic circuit generate electromagnetic induction, which drives the voice coil 6 to move back and forth, so that the vibrating membrane 7 vibrates back and forth to produce sound.

参见图3至图6，与传统动圈喇叭不一样，本喇叭由于两组音圈6的直径不一样，且位于同一振动膜7上，两组音圈6所带动振动膜7的振动特性是不一样的，主要表现为：低频音圈61所带动的振动膜7特性是低音部宽大，高音球形部较小，使得其低频表现得到了明显的提升；而高频音圈62所带动的振动膜7特性是高音球形部得到加大，低音部面积降低，从而其高频的表现能得到明显的提升。再经过分频器的配合，能有效地把高、低音的信号分别加载到高频音圈62和低频音圈61上，使得频响范围得到有效的提升，从而优化声音的表现。 Referring to Fig. 3 to Fig. 6, different from the traditional moving coil speaker, since the two sets of voice coils 6 have different diameters and are located on the same vibrating membrane 7, the vibration characteristics of the vibrating membrane 7 driven by the two sets of voice coils 6 are The main performance is that the vibration membrane 7 driven by the low-frequency voice coil 61 is characterized by a wide bass part and a small treble spherical part, which significantly improves its low-frequency performance; while the vibration driven by the high-frequency voice coil 62 The characteristics of membrane 7 are that the treble spherical part is enlarged, and the area of the bass part is reduced, so that its high-frequency performance can be significantly improved. After the cooperation of the frequency divider, the high-frequency and low-frequency signals can be effectively loaded on the high-frequency voice coil 62 and the low-frequency voice coil 61 respectively, so that the frequency response range is effectively improved, thereby optimizing the sound performance.

此外，由于低频音圈61和高频音圈62构建在一块振动膜7上，因此两组音圈6在接受电信号时产生的振动是同步的，相位是完全一致的，高、低音信号能同时到达耳朵，有效提升声音结像度；又由于振动膜7上的两个音圈6是构建在同一轴线上，因此发出的声音更接近点声源的效果，此外，复合在一起的喇叭整体体积比两个独立的喇叭的体积明显缩小，有效简化本喇叭应用于耳机时的框架设计。 In addition, since the low-frequency voice coil 61 and the high-frequency voice coil 62 are built on a vibrating membrane 7, the vibrations generated by the two groups of voice coils 6 when receiving electrical signals are synchronous, and the phases are completely consistent, and the high-frequency and low-frequency signals can be At the same time, it reaches the ear, effectively improving the sound image; and because the two voice coils 6 on the vibrating membrane 7 are built on the same axis, the sound produced is closer to the effect of a point sound source. In addition, the composite speaker as a whole The volume is significantly smaller than that of two independent speakers, which effectively simplifies the frame design of the speaker when it is applied to earphones.

以上所述，只是本实用新型的较佳实施方式而已，但本实用新型并不限于上述实施例，只要其以任何相同或相似手段达到本实用新型的技术效果，都应属于本实用新型的保护范围。 The above is only a preferred embodiment of the utility model, but the utility model is not limited to the above-mentioned embodiment, as long as it achieves the technical effect of the utility model by any same or similar means, it should belong to the protection of the utility model scope.

1.一种同轴同相双动圈单元喇叭，包括外壳（1）、T铁（2）、磁铁（3）、华司（4）、PCB板（5）、音圈（6）和振动膜（7），其特征在于：所述音圈（6）包括处于同一轴线上的低频音圈（61）和高频音圈（62），所述低频音圈（61）和高频音圈（62）粘贴于所述振动膜（7）的同一侧。 1. A coaxial and in-phase dual moving coil unit speaker, including a housing (1), a T iron (2), a magnet (3), a washer (4), a PCB board (5), a voice coil (6) and a diaphragm (7), characterized in that: the voice coil (6) includes a low-frequency voice coil (61) and a high-frequency voice coil (62) on the same axis, and the low-frequency voice coil (61) and high-frequency voice coil ( 62) Paste on the same side of the vibrating membrane (7). 2.根据权利要求1所述的一种同轴同相双动圈单元喇叭，其特征在于：所述低频音圈（61）的直径小于高频音圈（62）的直径。 2. A coaxial and in-phase dual moving coil unit speaker according to claim 1, characterized in that: the diameter of the low frequency voice coil (61) is smaller than the diameter of the high frequency voice coil (62). 3.根据权利要求1或2所述的一种同轴同相双动圈单元喇叭，其特征在于：所述外壳（1）包括前盖（8）和后盖（9），所述后盖（9）设有伸入部（10），所述伸入部（10）处于低频音圈（61）和高频音圈（62）之间。 3. A coaxial and in-phase double moving coil unit horn according to claim 1 or 2, characterized in that: the housing (1) includes a front cover (8) and a rear cover (9), and the rear cover ( 9) A protruding part (10) is provided, and the protruding part (10) is located between the low-frequency voice coil (61) and the high-frequency voice coil (62). 4.根据权利要求3所述的一种同轴同相双动圈单元喇叭，其特征在于：所述磁铁（3）包括处于同一轴线上的内磁环（31）和外磁环（32），所述低频音圈（61）和高频音圈（62）均处于内磁环（31）和外磁环（32）之间。 4. A coaxial and in-phase double moving coil unit horn according to claim 3, characterized in that: the magnet (3) includes an inner magnetic ring (31) and an outer magnetic ring (32) on the same axis, Both the low-frequency voice coil (61) and the high-frequency voice coil (62) are located between the inner magnetic ring (31) and the outer magnetic ring (32). 5.根据权利要求4所述的一种同轴同相双动圈单元喇叭，其特征在于：所述内磁环（31）两侧端面均设置有华司（4），所述外磁环（32）固定于后盖（9）和T铁（2）之间。 5. A coaxial and in-phase double moving coil unit horn according to claim 4, characterized in that: Washers (4) are provided on both sides of the inner magnetic ring (31), and the outer magnetic ring ( 32) It is fixed between the rear cover (9) and the T iron (2).

• 2015
  • 2015-05-07 CN CN201520292605.2U patent/CN204681583U/en not_active Expired - Lifetime

Effective date of registration: 20240704

Address after: Room 203-061, 2nd Floor, Building 2, No. 33 Jinshang Road, Tangjiawan Town, High tech Zone, Zhuhai City, Guangdong Province, 519000 (centralized office area)

Patentee after: Zhuhai Sound Source Technology Co.,Ltd.

Country or region after: China

Address before: 519070, 5th floor, Building 4, No. 79 Nanping Pinglan Road, Zhuhai City, Guangdong Province

Patentee before: ZHUHAI YUANSHENG ELECTRONIC Co.,Ltd.

Country or region before: China

Granted publication date: 20150930

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