Ultrathin loudspeaker
By designing the connection structure between the elastic wave and the drum paper and optimizing the magnetic circuit system in the speaker, the problem of insufficient vibration area of traditional speakers in a small space is solved, and ultra-thin and high-quality low-frequency response is achieved.
Patent Information
- Application Number
- CN202422839965.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-11-21
AI Technical Summary
Traditional speaker structures take up a large space and have a small vibration area, making it difficult to achieve ideal low-frequency response and sound quality in a small space.
The elastic wave is designed to connect the bracket and the drum paper to increase the vibration area, and by optimizing the magnetic circuit system, the overall thickness of the speaker is reduced to achieve ultra-thinness.
It improves the low-frequency response and sound quality of the speaker while reducing the space occupied, making it suitable for small devices with high sound quality and low-frequency requirements.
Smart Images

Figure CN223379302U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of loudspeakers, in particular to an ultra-thin loudspeaker. Background Art
[0002] As living standards improve, performance requirements for audio products are also rising. Modern consumers prefer compact, high-performance audio equipment to satisfy their need for high-quality music in a variety of environments. However, traditional large speakers have significant space limitations, making them difficult to adapt to confined spaces. Furthermore, while existing speaker designs can provide a certain bass effect, they are often limited by their size, making it impossible to achieve ideal low-frequency response in small structures.
[0003] Several patented inventions addressing speaker structural improvements are currently available, such as those that enhance low-frequency performance by optimizing the speaker's vibration and magnetic circuit systems. However, most existing designs are unable to further reduce the overall size of the speaker, making it difficult to achieve ideal vibration and low-frequency performance within a limited space. Therefore, achieving a larger vibration area and higher audio performance while minimizing the speaker's structural size has become a key technical challenge in the speaker industry.
[0004] The existing technology still has some shortcomings. First, the structural design of the existing speakers often takes up a lot of space and is difficult to adapt to compact application scenarios, such as Figure 1 As shown, the total height is 48.4mm. Secondly, the traditional design has a small vibration area, resulting in insufficient low-frequency sound quality and failing to meet the user's audio experience needs. Therefore, how to design a speaker that maximizes the vibration area within the existing space has become a pressing issue for technicians. Summary of the Invention
[0005] In order to solve the above problems, the utility model provides an ultra-thin speaker. By designing the elastic wave as a structure connecting the bracket and the drum paper, it not only increases the internal vibration area, but also effectively improves the low-frequency response of the speaker, thereby improving the bass effect and reducing the thickness.
[0006] The utility model is realized by the following technical solutions: an ultra-thin speaker, comprising:
[0007] A basin frame, wherein a U-iron is installed in the basin frame, and an auxiliary magnet, a washer and a main magnet are installed in the U-iron from top to bottom, wherein the auxiliary magnet, the main magnet and the U-iron form a magnetic circuit;
[0008] A voice coil is mounted outside the auxiliary magnet, the washer, and the main magnet, with an outlet end of the voice coil extending toward the top;
[0009] The damper is installed on the basin frame, and a bracket is installed on the damper. The damper is connected to the drum paper on the top through the bracket. The outgoing end of the voice coil passes through the drum paper and the drum paper is installed on the upper end of the bracket.
[0010] As a preferred technical solution, the height between the bottom surface of the basin frame and the top surface of the drum paper is h.
[0011] As a preferred technical solution, a dust cap is further installed on the top of the drum paper, and the maximum height of the dust cap is located inside the drum paper.
[0012] As a preferred technical solution, screws are provided at the bottom of the basin frame, and the U iron is fixedly installed in the basin frame by the screws.
[0013] As a preferred technical solution, it also includes a terminal, which is installed on the damper.
[0014] As a preferred technical solution, the height h between the basin frame and the top surface of the drum paper is 43.7 mm.
[0015] The beneficial effect of the present invention is that the present invention designs the elastic wave as a structure connecting the bracket and the drum paper, which not only increases the internal vibration area, but also effectively improves the low-frequency response of the speaker, thereby improving the bass effect.
[0016] The speaker of the utility model has a compact overall structure and occupies a small space, which not only improves the audio performance but also has a wide range of applicability and can meet the multiple requirements of small audio equipment for high sound quality, low-frequency effects and installation space. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0018] Figure 1 A product structure diagram of the prior art;
[0019] Figure 2 This is the product structure diagram of the utility model;
[0020] Description of reference numerals:
[0021] 5. Basin; 6. U iron; 7. Auxiliary magnet; 10. Washer; 9. Main magnet; 11. Voice coil; 4. Damper; 2. Bracket; 1. Drum paper; 13. Dust cap; 8. Screw; 3. Terminal; 12. Wire outlet. DETAILED DESCRIPTION
[0022] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.
[0023] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless otherwise stated, may be replaced by other equivalent or similar features. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.
[0024] like Figure 2 As shown, an ultra-thin speaker of the present invention includes a basin frame 5, which is a basic component supporting the entire speaker structure and has a ring-shaped structure. A U-iron 6 is installed inside the basin frame 5. The U-iron 6 is a major component of the magnetic circuit and enhances the audio performance through the action of the magnetic field. The internal structure of the U-iron 6 is installed with a secondary magnet 7, a washer 10 and a main magnet 9 from top to bottom. The secondary magnet 7, the main magnet 9 and the U-iron 6 cooperate with each other to form a complete magnetic circuit, thereby ensuring that the voice coil 11 can obtain stable and strong magnetic field support during operation, thereby improving the sound quality of the speaker.
[0025] The voice coil 11 is mounted around the exterior of the secondary magnet 7, washer 10, and main magnet 9, with the wire end 12 of the voice coil 11 extending toward the top to facilitate wiring and connection, preventing interference and vibration from the cables. The precise mounting arrangement of the voice coil 11 ensures that it can vibrate freely within the magnetic field, generating high-quality audio signals while ensuring smooth wire connection. The wire end 12 of the voice coil 11 extends through the top drum paper 1, ensuring effective connection between the voice coil 11 and an external power source or audio signal source.
[0026] Mounted on the frame 5 is a damper 4, providing flexible support for the voice coil 11 and enhancing the speaker's vibration capabilities. Mounted above the damper 4 is a bracket 2, which transmits vibrations through the damper 4 to the top drum paper 1. Drum paper 1, the speaker's primary vibrating surface, is mounted on the top of bracket 2. The interaction between the damper 4 and bracket 2 generates vibrations, producing sound. This structural design increases the internal vibration area, effectively enhancing low-frequency performance.
[0027] To prevent external dust from affecting the internal components of the speaker, a dust cap 13 is installed on the top of the drum paper 1. The maximum height of the dust cap 13 is set inside the drum paper 1, ensuring that the overall height of the speaker does not increase while providing effective dust protection.
[0028] At the bottom of the speaker, the height h between the bottom surface of the basin frame 5 and the top surface of the drum paper 1 is designed to be 43.7mm, a 4.7mm reduction compared to the 48.4mm height of traditional speakers. This achieves an ultra-thin design, further optimizing space utilization and portability, making it suitable for installation in small spaces. This height optimization significantly reduces the overall thickness of the speaker while maintaining sound quality, enhancing the product's versatility.
[0029] Furthermore, screws 8 are provided at the bottom of the frame 5 to secure the U-shaped iron 6 within the frame 5. This ensures that the U-shaped iron 6 remains stable during operation and does not shift due to vibration, which could affect the speaker's sound quality and service life. The design of screws 8 facilitates installation and removal, making it suitable for frequent maintenance and replacement.
[0030] The speaker also includes a terminal 3 mounted on the spider 4 for connecting to an external power source or signal source, enabling the voice coil 11 to receive sufficient current to generate an audio signal. The presence of terminal 3 not only ensures the stability of the speaker's electrical connection but also optimizes installation convenience.
[0031] The utility model designs the damper 4 as a structure connecting the bracket 2 and the drum paper 1, which not only increases the internal vibration area, but also effectively improves the low-frequency response of the speaker, thereby improving the bass effect.
[0032] The speaker of the utility model has a compact overall structure and occupies a small space, which not only improves the audio performance but also has a wide range of applicability and can meet the multiple requirements of small audio equipment for high sound quality, low-frequency effects and installation space.
[0033] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that do not require creative effort should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.
Claims
1. An ultra-thin speaker, characterized in that: include: A basin frame (5), wherein a U iron (6) is installed in the basin frame (5), and a secondary magnet (7), a washer (10) and a main magnet (9) are installed in the U iron (6) from top to bottom, wherein the secondary magnet (7), the main magnet (9) and the U iron (6) form a magnetic circuit; A voice coil (11), the voice coil (11) being mounted outside the auxiliary magnet (7), the washer (10) and the main magnet (9), with an outlet end (12) of the voice coil (11) extending toward the top; The damper (4) is mounted on the basin frame (5), a bracket (2) is mounted on the damper (4), the damper (4) is connected to the drum paper (1) at the top through the bracket (2), the output end (12) of the voice coil (11) passes through the drum paper (1) for output, and the drum paper (1) is mounted on the upper end of the bracket (2).
2. The ultra-thin speaker according to claim 1, characterized in that: The height between the bottom surface of the basin frame (5) and the top surface of the drum paper (1) is h.
3. The ultra-thin speaker according to claim 1, wherein: A dust cap (13) is also installed on the top of the drum paper (1), and the maximum height of the dust cap (13) is located inside the drum paper (1).
4. The ultra-thin speaker according to claim 1, wherein: The bottom of the basin frame (5) is provided with screws (8), and the U iron (6) is fixedly installed in the basin frame (5) by the screws (8).
5. The ultra-thin speaker according to claim 1, characterized in that: It also includes a terminal (3), which is installed on the elastic wave (4).
6. The ultra-thin speaker according to claim 2, characterized in that: The height h between the basin frame (5) and the top surface of the drum paper (1) is 43.7 mm.